Data / Nonprofits / Maryland / Health care
Health care nonprofits in Maryland: 1,199 registered with the IRS
1,199 health care nonprofits are registered with the IRS in Maryland, 1,179 of them 501(c)(3) charities; the 489 that report revenue took in $36.29 billion. The most are in Baltimore (202), Silver Spring (58), Rockville (53). The largest by revenue: The Johns Hopkins Hospital ($3.76 billion), University of Maryland Medical System Corporation ($2.53 billion), HH Medstar Health Inc ($2.40 billion).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| The Johns Hopkins Hospital | Baltimore | 501(c)(3) | 1948 | $3.76 billion | $3.77 billion | 2025-06 |
| University of Maryland Medical System Corporation | Linthicum Heights | 501(c)(3) | 1984 | $2.53 billion | $5.25 billion | 2025-06 |
| HH Medstar Health Inc | Columbia | 501(c)(3) | 1997 | $2.40 billion | $512.3 million | 2025-06 |
| Washington Hospital Center Corporation | Columbia | 501(c)(3) | 1959 | $1.91 billion | $979.9 million | 2025-06 |
| Medstar-Georgetown Medical Center Inc | Columbia | 501(c)(3) | 2000 | $1.90 billion | $1.62 billion | 2025-06 |
| Sinai Hospital of Baltimore Inc | Baltimore | 501(c)(3) | 1936 | $1.06 billion | $956.4 million | 2025-06 |
| Johns Hopkins All Childrens Hospital Inc | Baltimore | 501(c)(3) | 1942 | $948.8 million | $1.56 billion | 2025-06 |
| Healthwell Foundation | Rockville | 501(c)(3) | 2005 | $911.5 million | $918.2 million | 2024-12 |
| Johns Hopkins Bayview Medical Center Inc | Baltimore | 501(c)(3) | 1984 | $899.1 million | $491.7 million | 2025-06 |
| The Johns Hopkins Health System Corporation | Baltimore | 501(c)(3) | 1990 | $783.8 million | $2.31 billion | 2025-06 |
| Luminis Health Anne Arundel Medical Center Inc | Annapolis | 501(c)(3) | 1955 | $759.6 million | $1.20 billion | 2025-06 |
| Lucy Webb Haynes National Training School for Deaconesses and Mission | Baltimore | 501(c)(3) | 1936 | $750.1 million | $1.81 billion | 2025-06 |
| Meritus Medical Center Inc | Hagerstown | 501(c)(3) | 1937 | $721.3 million | $1.07 billion | 2025-06 |
| Jack and Nancy Dwyer Workforce Development Center Inc | Baltimore | 501(c)(3) | 2021 | $696.1 million | $904.2 million | 2024-12 |
| Mercy Medical Center Inc | Baltimore | 501(c)(3) | 1949 | $685 million | $1.14 billion | 2025-06 |
| Greater Baltimore Medical Center | Towson | 501(c)(3) | 1996 | $674.6 million | $870.3 million | 2025-06 |
| Franklin Square Hospital Center Inc | Baltimore | 501(c)(3) | 1938 | $655.3 million | $351 million | 2025-06 |
| Tidalhealth Peninsula Regional Inc | Salisbury | 501(c)(3) | 1942 | $643.6 million | $792.1 million | 2025-06 |
| Umsj Health System LLC | Towson | 501(c)(3) | 2014 | $605.6 million | $422.9 million | 2025-06 |
| Dimensions Health Corporation | Linthicum Heights | 501(c)(3) | 1983 | $522.5 million | $760 million | 2025-06 |
| Baltimore Washington Medical Center Inc | Linthicum Heights | 501(c)(3) | 1973 | $519.7 million | $577.8 million | 2025-06 |
| Johns Hopkins Medical Services Corporation | Baltimore | 501(c)(3) | 1981 | $497.7 million | $2.1 million | 2025-06 |
| Upper Chesapeake Medical Center Inc | Linthicum Heights | 501(c)(3) | 1987 | $487.9 million | $1.01 billion | 2025-06 |
| Union Memorial Hospital | Baltimore | 501(c)(3) | 1921 | $472.7 million | $265.4 million | 2025-06 |
| Frederick Health Hospital Inc | Frederick | 501(c)(3) | 1938 | $455.2 million | $690.9 million | 2025-06 |
| Suburban Hospital Incorporated | Baltimore | 501(c)(3) | 1945 | $427.7 million | $716.6 million | 2025-06 |
| Medstar Health Inc | Columbia | 501(c)(3) | 1998 | $423.3 million | $3.68 billion | 2025-06 |
| Howard County General Hospital Inc | Baltimore | 501(c)(3) | 1998 | $363.4 million | $480.3 million | 2025-06 |
| United States Pharmacopeial Convention Inc | Rockville | 501(c)(3) | 1959 | $357.7 million | $788.7 million | 2025-06 |
| Lifebridge Health Inc | Owings Mills | 501(c)(3) | 1986 | $346.6 million | $1.90 billion | 2025-06 |
| Shore Health System Inc | Linthicum Heights | 501(c)(3) | 2004 | $342.2 million | $886.4 million | 2025-06 |
| Medstar Southern Maryland Hospital Center Inc | Columbia | 501(c)(3) | 2013 | $325.7 million | $182.7 million | 2025-06 |
| Tidalhealth Inc | Salisbury | 501(c)(3) | 1999 | $324.2 million | $1.06 billion | 2025-06 |
| Carroll Hospital Center Inc | Westminster | 501(c)(3) | 1990 | $301.6 million | $449.2 million | 2025-06 |
| Northwest Hospital Center Inc | Randallstown | 501(c)(3) | 1985 | $301.1 million | $217 million | 2025-06 |
| The Good Samaritan Hospital of Maryland Inc | Baltimore | 501(c)(3) | 1993 | $299.4 million | $206.9 million | 2025-06 |
| Luminis Health Doctors Community Medical Center Inc | Annapolis | 501(c)(3) | 1990 | $287.9 million | $202.1 million | 2025-06 |
| Maryland General Hospital | Linthicum Heights | 501(c)(3) | 1948 | $285.2 million | $194.3 million | 2025-06 |
| Physician Enterprise LLC | Annapolis | 501(c)(3) | 2012 | $279 million | $55.6 million | 2025-06 |
| Kennedy Krieger Childrens Hospital Inc | Baltimore | 501(c)(3) | 1940 | $278.5 million | $148.2 million | 2025-06 |
| St Marys Hospital of St Marys County | Columbia | 501(c)(3) | 1951 | $241.8 million | $163.3 million | 2025-06 |
| Harbor Hospital Inc | Baltimore | 501(c)(3) | 1935 | $220.4 million | $101.4 million | 2025-06 |
| Montgomery General Hospital Inc | Columbia | 501(c)(3) | 1921 | $212.5 million | $128.9 million | 2025-06 |
| Civista Medical Center Inc | Linthicum Heights | 501(c)(3) | 1980 | $196.6 million | $180.5 million | 2025-06 |
| Tidalhealth Atlantic Inc | Berlin | 501(c)(3) | 1989 | $183.1 million | $142.2 million | 2025-06 |
| National Rehabilitation Hospital Inc | Columbia | 501(c)(3) | 1985 | $179.4 million | $147.4 million | 2025-06 |
| Calverthealth Medical Center Inc | PRNC Frederck | 501(c)(3) | 1943 | $170.3 million | $140.7 million | 2025-06 |
| Luminis Health Inc | Annapolis | 501(c)(3) | 1990 | $167.4 million | $905.7 million | 2025-06 |
| Johns Hopkins Pharmaquip Inc | Baltimore | 501(c)(3) | 1994 | $147.6 million | $104.3 million | 2025-06 |
| U of M Rehab & Orthopaedic Institute | Linthicum Heights | 501(c)(3) | 1941 | $143.8 million | $212.6 million | 2025-06 |
| Three Lower Counties Community Services Inc | Salisbury | 501(c)(3) | 1994 | $129.3 million | $91.3 million | 2025-05 |
| Frederick Health Medical Group LLC | Frederick | 501(c)(3) | 2013 | $128 million | $31.9 million | 2025-06 |
| Charlestown Community Inc | Catonsville | 501(c)(3) | 1984 | $113.3 million | $324.8 million | 2024-12 |
| University of Maryland Faculty Physicians Inc | Baltimore | 501(c)(3) | 1984 | $108.8 million | $434.8 million | 2025-06 |
| Upper Chesapeake Medical Services Inc | Bel Air | 501(c)(3) | 1987 | $101.5 million | $6.9 million | 2025-06 |
| Qlarant Integrity Solutions LLC | Easton | 501(c)(3) | 2013 | $92.4 million | $32.3 million | 2025-06 |
| Levindale Hebrew Geriatric Center & Hospital Inc | Baltimore | 501(c)(3) | 1938 | $89.4 million | $82 million | 2025-06 |
| GRMC Inc | Oakland | 501(c)(3) | 2022 | $86.5 million | $79.4 million | 2024-12 |
| Mt Washington Pediatric Hospital Inc | Baltimore | 501(c)(3) | 1926 | $84.4 million | $178.2 million | 2025-06 |
| Hebrew Home of Greater Washington Inc | Rockville | 501(c)(3) | 2011 | $82.7 million | $281.5 million | 2024-12 |
| Naf Hotline Fund | Annapolis JCT | 501(c)(3) | 2009 | $78.4 million | $35.3 million | 2025-12 |
| Adventist Rehabilitation Hospital of Maryland Inc | Gaithersburg | 501(c)(3) | 1947 | $74.8 million | $70.6 million | 2024-12 |
| University of Maryland Community Medical Group Inc | Linthicum Heights | 501(c)(3) | 1996 | $66.5 million | $1.1 million | 2025-06 |
| Memorial Hospital Foundation Inc | Easton | 501(c)(3) | 1983 | $65.7 million | $162.4 million | 2025-06 |
| Crisp Shared Services Inc | Columbia | 501(c)(3) | 2022 | $65.1 million | $29.6 million | 2025-06 |
| Infinite Legacy Inc | Baltimore | 501(c)(3) | 1991 | $64 million | $78.8 million | 2025-12 |
| Total Health Care Inc | Baltimore | 501(c)(3) | 1978 | $61.8 million | $50 million | 2025-06 |
| Brooke Grove Foundation Inc | Sandy Spring | 501(c)(3) | 1976 | $57.3 million | $68.2 million | 2025-06 |
| Community Clinic Inc | Silver Spring | 501(c)(3) | 1975 | $55 million | $52.3 million | 2025-06 |
| Chester River Hospital Center | Linthicum Heights | 501(c)(3) | 1956 | $53.4 million | $89.7 million | 2025-06 |
| Chesapeake Regional Information System for Our Patients Inc | Columbia | 501(c)(3) | 2010 | $48.9 million | $15.9 million | 2025-06 |
| National Association of Community Health Centers Inc | Bethesda | 501(c)(3) | 1972 | $46.3 million | $49.4 million | 2025-06 |
| Choptank Community Health System Inc | Denton | 501(c)(3) | 1978 | $43.8 million | $51.5 million | 2024-12 |
| University of Maryland Surgical Associates P A | Baltimore | 501(c)(3) | 1989 | $43.8 million | $15.8 million | 2025-06 |
| Shock Trauma Associates Pa | Baltimore | 501(c)(3) | 1981 | $42.9 million | $16.6 million | 2025-06 |
| Luminis Health Imaging Inc | Annapolis | 501(c)(3) | 1987 | $37.5 million | $134.5 million | 2025-06 |
| Greater Baden Medical Service Incorporated | Brandywine | 501(c)(3) | 1975 | $37.1 million | $25.7 million | 2024-12 |
| Dimensions Healthcare Associates | Linthicum Heights | 501(c)(3) | 1997 | $35.4 million | $5.7 million | 2025-06 |
| Calvert Health System Inc | PRNC Frederck | 501(c)(3) | 2015 | $33.1 million | $133.7 million | 2025-06 |
| Johns Hopkins Pediatrics at Home Inc | Baltimore | 501(c)(3) | 1994 | $30.7 million | $3 million | 2025-06 |
| University of Maryland Emergency Medicine Associates P A | Baltimore | 501(c)(3) | 1986 | $30.4 million | $11.3 million | 2025-06 |
| Homewood Living Martinsburg Inc | Williamsport | 501(c)(3) | 1995 | $28.3 million | $38.5 million | 2024-12 |
| Courtland Gardens Nursing and Rehabilitaion | Baltimore | 501(c)(3) | 1942 | $28.2 million | $85.1 million | 2025-06 |
| Humanim Inc | Columbia | 501(c)(3) | 1973 | $28 million | $19.9 million | 2025-06 |
| Baltimore Washington Emergency Physicians Inc | Glen Burnie | 501(c)(3) | 1993 | $27.9 million | $2.1 million | 2025-06 |
| Green & Healthy Homes Initiative Inc | Baltimore | 501(c)(3) | 1994 | $27.4 million | $12.7 million | 2025-12 |
| Ourcare Inc | Lanham | 501(c)(3) | 2019 | $26.5 million | $26.9 million | 2024-12 |
| Childrens Inn at Nih Inc | Bethesda | 501(c)(3) | 1989 | $26.5 million | $93.2 million | 2025-06 |
| John Hopkins Home Health | Baltimore | 501(c)(3) | 1991 | $25.6 million | $4.7 million | 2025-06 |
| Primary Care Coalition of Montgomery County MD Inc | Silverspring | 501(c)(3) | 1994 | $25.2 million | $9.7 million | 2025-06 |
| Johns Hopkins All Childrens Foundation Inc | Baltimore | 501(c)(3) | 1985 | $24.8 million | $183.1 million | 2025-06 |
| Planned Parenthood of Maryland Inc | Baltimore | 501(c)(3) | 1938 | $22.6 million | $31.9 million | 2025-06 |
| Asbury Communities Inc | Frederick | 501(c)(3) | 1994 | $22.4 million | $22 million | 2024-12 |
| Vna Inc | Columbia | 501(c)(3) | 1987 | $21.8 million | $15.8 million | 2025-06 |
| Healthcare Access Maryland Inc | Baltimore | 501(c)(3) | 1998 | $21.4 million | $8.7 million | 2025-06 |
| Maryland Medicine P A | Baltimore | 501(c)(3) | 2015 | $21.3 million | $753,037 | 2025-06 |
| Intrahealth International Inc | Bethesda | 501(c)(3) | 2003 | $19.9 million | $7.5 million | 2025-09 |
| American Association of Blood Banks | Bethesda | 501(c)(3) | 1949 | $19.6 million | $23.3 million | 2024-12 |
| Friends House Retirement Community Inc | Sandy Spring | 501(c)(3) | 1969 | $18.7 million | $51.5 million | 2025-06 |
| University of Maryland Upper Chesapeake Health System Inc | Linthicum Heights | 501(c)(3) | 1987 | $16.8 million | $48 million | 2025-06 |
| Keswick Foundation Inc | Baltimore | 501(c)(3) | 1976 | $16.3 million | $248.2 million | 2025-06 |
| Vose River Charitable Fund | Bethesda | 501(c)(3) | 2021 | $16.2 million | $28.9 million | 2024-12 |
| Independent Dialysis Foundation Inc | Baltimore | 501(c)(3) | 1980 | $15.3 million | $14.3 million | 2025-09 |
| Johns Hopkins Hospital Endowment Fund Incorporated | Baltimore | 501(c)(3) | 1973 | $14.5 million | $939.7 million | 2025-06 |
| St Mary S Nursing Center Inc | Leonardtown | 501(c)(3) | 2001 | $14.3 million | $23.8 million | 2025-06 |
| Charles County Nursing Home Inc | La Plata | 501(c)(3) | 1977 | $13.8 million | $15.3 million | 2025-06 |
| Walnut Street Community Health Center Inc | Hagerstown | 501(c)(3) | 2002 | $13.4 million | $11.8 million | 2026-02 |
| Cola Inc | Columbia | 501(c)(3) | 1988 | $13.4 million | $20.9 million | 2025-06 |
| Mercy Health Foundation Inc | Baltimore | 501(c)(3) | 1946 | $13.2 million | $76.1 million | 2025-06 |
| Believe in Tomorrow National Childrens Foundation Inc | Baltimore | 501(c)(3) | 1984 | $12.3 million | $23.2 million | 2025-12 |
| University of Maryland Charles Regional Health Inc | La Plata | 501(c)(3) | 2000 | $12 million | $26.5 million | 2025-06 |
| West Cecil Health Center Inc | Conowingo | 501(c)(3) | 2008 | $11.8 million | $10.7 million | 2025-06 |
| Thomas Oneill Catholic Health Care Fund Inc | Baltimore | 501(c)(3) | 1946 | $11.6 million | $90.1 million | 2025-06 |
| Carroll Hospital Center Foundation Inc | Westminster | 501(c)(3) | 1985 | $11.5 million | $123.7 million | 2025-06 |
| National Medical Association Inc | Silver Spring | 501(c)(3) | 1954 | $10.7 million | $13.9 million | 2024-12 |
| Upper Chesapeake Health Foundation Inc | Bel Air | 501(c)(3) | 1987 | $10.1 million | $59.1 million | 2025-06 |
| Grace Medical Center Inc | Owings Mills | 501(c)(3) | 1946 | $9.7 million | $76.1 million | 2025-06 |
| Luminis Health Anne Arundel Medical Center Foundation Inc | Annapolis | 501(c)(3) | 1984 | $9.7 million | $41.6 million | 2025-06 |
| University of Maryland St Joseph Foundation Inc | Towson | 501(c)(3) | 1990 | $9.7 million | $44.9 million | 2025-06 |
| McCready Foundation Inc | Crisfield | 501(c)(3) | 1948 | $9.6 million | $11 million | 2025-06 |
| National Abortion Federation Inc | Annapolis JCT | 501(c)(3) | 2023 | $9.3 million | $16.2 million | 2025-12 |
| Safe Kids Worldwide | Silver Spring | 501(c)(3) | 2015 | $9.2 million | $7.4 million | 2025-06 |
| Dockings Healthcare Services Inc | Rosedale | 501(c)(3) | 2019 | $8.9 million | $11 million | 2025-06 |
| University of Maryland Otorhino Laryngology-Head & Neck Surgery Pa | Baltimore | 501(c)(3) | 2007 | $8.8 million | $7.2 million | 2025-06 |
| Hospital for Consumptives of Maryland | Baltimore | 501(c)(3) | 1926 | $8.6 million | $97.9 million | 2025-06 |
| University of Maryland Dermatologists P A | Baltimore | 501(c)(3) | 1993 | $8.5 million | $7.4 million | 2025-06 |
| Northbay Education Inc | North East | 501(c)(3) | 2022 | $8.5 million | $23.8 million | 2025-08 |
| University of Maryland Orthopaedic Trauma Associates P A | Baltimore | 501(c)(3) | 2006 | $8.5 million | $9.5 million | 2025-06 |
| St Martins Home for the Aged Little Sisters of the Poor Baltimore Inc | Baltimore | 501(c)(3) | 1946 | $8.4 million | $48.6 million | 2025-12 |
| American Institute of Ultrasound in Medicine | Laurel | 501(c)(3) | 1971 | $8.1 million | $16.8 million | 2024-12 |
| Suburban Hospital Foundation Inc | Bethesda | 501(c)(3) | 1997 | $8 million | $40.4 million | 2025-06 |
| Community Rescue Service Inc | Hagerstown | 501(c)(3) | 1957 | $7.9 million | $10.4 million | 2025-06 |
| Owensville Primary Care Inc | West River | 501(c)(3) | 1987 | $7.1 million | $5.9 million | 2025-06 |
| University of Maryland Oncology | Baltimore | 501(c)(3) | 1996 | $7.1 million | $4.4 million | 2025-06 |
| Totally Linking Care in Maryland Inc | Leonardtown | 501(c)(3) | 2022 | $6.9 million | $2.3 million | 2025-06 |
| American Society for Pharmacology and Experimental Therapeutics Inc | Rockville | 501(c)(3) | 1938 | $6.7 million | $31.1 million | 2024-12 |
| Mobile Medical Care Inc | Rockville | 501(c)(3) | 1969 | $6.7 million | $2.5 million | 2025-06 |
| Montgomery County Collaboration Council | Rockville | 501(c)(3) | 2004 | $6.7 million | $4 million | 2025-06 |
| Horizon Foundation of Howard County Inc | Columbia | 501(c)(3) | 1998 | $6.7 million | $98.8 million | 2024-12 |
| Sacred Hearted Home Inc | Hyattsville | 501(c)(3) | 1946 | $6.4 million | $27.3 million | 2025-12 |
| National Association of School Nurses Inc | Silver Spring | 501(c)(3) | 1994 | $6.3 million | $10.2 million | 2025-03 |
| Maryland General Clinical Practice Group Inc | Linthicum Heights | 501(c)(3) | 1980 | $6.3 million | $764,017 | 2025-06 |
| Meritus Healthcare Foundation Inc | Hagerstown | 501(c)(3) | 2002 | $6.2 million | $17 million | 2025-06 |
| Project Healing Waters Fly Fishing Inc | La Plata | 501(c)(3) | 2009 | $5.8 million | $1.4 million | 2025-12 |
| Potomac Home Support Inc | Baltimore | 501(c)(3) | 1992 | $5.8 million | $1.5 million | 2025-06 |
| National Association for Public Health Stats and Info Systems | Silver Spring | 501(c)(3) | 2001 | $5.6 million | $6.2 million | 2024-12 |
| Maryland Emergency Medicine Network | Baltimore | 501(c)(3) | 2004 | $5.6 million | $9.5 million | 2025-06 |
| Howard Hospital Foundation Inc | Baltimore | 501(c)(3) | 1976 | $5.5 million | $20.9 million | 2025-06 |
| Heart To Hand Inc | Uppr Marlboro | 501(c)(3) | 1999 | $5.4 million | $1.6 million | 2024-12 |
| Warwick Manor Behavioral Health Inc | E New Market | 501(c)(3) | 2001 | $5.3 million | $2.8 million | 2024-12 |
| Keralink International Inc | Baltimore | 501(c)(3) | 1984 | $5 million | $1.7 million | 2024-12 |
| NRH Regional Rehab at Olney Inc | Olney | 501(c)(3) | 2002 | $4.8 million | $4.3 million | 2025-06 |
| Mercy Health Clinic Inc | Gaithersburg | 501(c)(3) | 2000 | $4.6 million | $2.2 million | 2024-12 |
| Mercy Transitional Care Services | Baltimore | 501(c)(3) | 1997 | $4.5 million | $1.6 million | 2025-06 |
| Society of Health and Physical Educators | Annapolis Junction | 501(c)(3) | 1972 | $4.5 million | $6.3 million | 2025-08 |
| Tidalhealth Foundation Inc | Salisbury | 501(c)(3) | 1994 | $4.4 million | $13.7 million | 2025-06 |
| American College Health Association | Silver Spring | 501(c)(3) | 1973 | $4.3 million | $7 million | 2024-12 |
| Frederick Health Inc | Frederick | 501(c)(3) | 2013 | $3.8 million | $342.9 million | 2025-06 |
| Adoptions Together Inc | Greenbelt | 501(c)(3) | 1992 | $3.8 million | $1.9 million | 2025-12 |
| Western Maryland Area Health Education Center | Cumberland | 501(c)(3) | 1980 | $3.6 million | $1.6 million | 2025-06 |
| Rad-Aid International Inc | Chevy Chase | 501(c)(3) | 2009 | $3.6 million | $13.5 million | 2025-12 |
| Color of Gastrointestinal Illness Inc | Glenarden | 501(c)(3) | 2020 | $3.5 million | $736,657 | 2023-12 |
| Hampstead Volunteer Fire Engine and Hose Company-1 | Hampstead | 501(c)(3) | 1990 | $3.3 million | $17.6 million | 2025-06 |
| Brookes House Inc | Hagerstown | 501(c)(3) | 2016 | $3.3 million | $10.3 million | 2024-12 |
| Harford Memorial Hospital Inc | Linthicum Heights | 501(c)(3) | 1938 | $3.1 million | $10,128 | 2025-06 |
| Western Maryland Health System Foundation Inc | Cumberland | 501(c)(3) | 2009 | $3 million | $24.7 million | 2025-06 |
| James Lawrence Kernan Hospital Endowment Fund Incorporated | Baltimore | 501(c)(3) | 1974 | $3 million | $47.5 million | 2025-06 |
| Maryland Patient Safety Center | Elkridge | 501(c)(3) | 2008 | $2.9 million | $2.1 million | 2025-06 |
| Greater Baltimore Medical Center Land Corporation | Baltimore | 501(c)(3) | 1987 | $2.7 million | $15.9 million | 2025-06 |
| University of Maryland Oral Maxillofacial Surgery Assoc P A | Baltimore | 501(c)(3) | 1995 | $2.7 million | $757,794 | 2025-06 |
| Association of Professors of Gynecology & Obstetrics | Crofton | 501(c)(3) | 1968 | $2.7 million | $12.7 million | 2025-06 |
| Nova Institute for Health Inc | Baltimore | 501(c)(3) | 2005 | $2.7 million | $11.6 million | 2024-12 |
| Access Carroll Inc | Westminster | 501(c)(3) | 2006 | $2.6 million | $1.4 million | 2025-06 |
| Qlarant Foundation Inc | Easton | 501(c)(3) | 2004 | $2.5 million | $23.9 million | 2025-06 |
| Charm City Care Connection Inc | Baltimore | 501(c)(3) | 2010 | $2.5 million | $837,221 | 2025-06 |
| Calverthealth Foundation Inc | PRNC Frederck | 501(c)(3) | 1990 | $2.5 million | $9.2 million | 2025-06 |
| Montgomery County Language Minority Health Project Inc | Silver Spring | 501(c)(3) | 1998 | $2.5 million | $5.9 million | 2025-06 |
| Holy Cross Health Foundation Inc | Silver Spring | 501(c)(3) | 2007 | $2.4 million | $21.6 million | 2025-06 |
| Rehabilitation Systems Inc | Lanham | 501(c)(3) | 1997 | $2.3 million | $2 million | 2025-06 |
| Snow Hill Volunteer Fire Company Inc | Snow Hill | 501(c)(3) | 1997 | $2.3 million | $3.6 million | 2025-05 |
| Give An Hour Nonprofit Corporation | Gaithersburg | 501(c)(3) | 2006 | $2.3 million | $1.9 million | 2025-06 |
| Maryland Partnership for Prevention Inc | Owings Mills | 501(c)(3) | 2000 | $2.2 million | $8.8 million | 2024-12 |
| Big Cities Health Coalition | Takoma Park | 501(c)(3) | 2022 | $2.2 million | $1.4 million | 2024-12 |
| G S Properties Inc | Baltimore | 501(c)(3) | 1993 | $2.1 million | $2.1 million | 2025-06 |
| Bethesda Chevy Chase Rescue Squad Inc | Bethesda | 501(c)(3) | 1949 | $2.1 million | $5.5 million | 2025-06 |
| GBMC Healthcare Inc | Baltimore | 501(c)(3) | 2023 | $2 million | $726.7 million | 2025-06 |
| Abortion Fund of Maryland Inc | Baltimore | 501(c)(3) | 2014 | $2 million | $3.4 million | 2024-12 |
| Women As One Inc | Severna Park | 501(c)(3) | 2019 | $2 million | $1.8 million | 2025-12 |
| Ingleside at Home Inc | Rockville | 501(c)(3) | 2015 | $1.9 million | $1.1 million | 2024-12 |
| Keswick Community Health Inc | Baltimore | 501(c)(3) | 2016 | $1.9 million | $204,496 | 2025-06 |
| Baltimore Jewish Health Foundation Inc | Baltimore | 501(c)(3) | 1998 | $1.9 million | $49 million | 2025-06 |
| Heritage Care Inc | Hyattsville | 501(c)(3) | 1996 | $1.9 million | $532,313 | 2024-12 |
| Medstar Vna Healthcare Inc | Greenbelt | 501(c)(3) | 1989 | $1.8 million | $7,792 | 2025-06 |
| Boonsboro Ambulance and Rescue Service Incorporated | Boonsboro | 501(c)(3) | 1990 | $1.7 million | $1.7 million | 2025-06 |
| Global Healthcare Systems Inc | Towson | 501(c)(3) | 2003 | $1.7 million | $1.9 million | 2025-12 |
| National Dental Association Inc | Bowie | 501(c)(3) | 2001 | $1.6 million | $293,720 | 2024-12 |
| Womens Hospital Foundation Inc | Towson | 501(c)(3) | 1935 | $1.6 million | $40.8 million | 2024-12 |
| Hopewell Cancer Support Inc | Lutherville | 501(c)(3) | 1992 | $1.5 million | $3.9 million | 2025-06 |
| Ourspace World Inc | Bowie | 501(c)(3) | 2014 | $1.5 million | $687,932 | 2024-12 |
| University of Maryland Midtown Health Inc | Baltimore | 501(c)(3) | 1980 | $1.5 million | $2.3 million | 2025-06 |
| Baltimore Alliance for Careers in Healthcare Inc | Baltimore | 501(c)(3) | 2005 | $1.5 million | $746,329 | 2025-06 |
| The Clear Spring Ambulance Club Inc | Clear Spring | 501(c)(3) | 1993 | $1.5 million | $1.9 million | 2024-12 |
| Childrens Hospital at Sinai Foundation Inc | Baltimore | 501(c)(3) | 2000 | $1.4 million | $42.4 million | 2025-06 |
| Suburban Hospital Healthcare System Inc | Baltimore | 501(c)(3) | 1997 | $1.4 million | $34.4 million | 2025-06 |
| Talisman Therapeutic Riding | Grasonville | 501(c)(3) | 2014 | $1.3 million | $1.6 million | 2024-12 |
| Community Free Clinic Inc | Hagerstown | 501(c)(3) | 1992 | $1.2 million | $3.3 million | 2025-06 |
| Baltimore Harm Reduction Coalition Inc | Baltimore | 501(c)(3) | 2022 | $1.2 million | $590,884 | 2024-12 |
| Marion J Gallagher Foundation Inc | Towson | 501(c)(3) | 1977 | $1.2 million | $11.5 million | 2026-06 |
| Branchville Volunteer Fire Company and Rescue Squad Incorporated | College Park | 501(c)(3) | 1988 | $1.2 million | $5.5 million | 2025-12 |
| Eastern Shore Area Health Education Center Inc | Cambridge | 501(c)(3) | 1996 | $1.2 million | $1 million | 2025-06 |
| Care for Your Health Inc | Silver Spring | 501(c)(3) | 2010 | $1.1 million | $246,052 | 2024-12 |
| Scrubs & Heels Foundation | Potomac | 501(c)(3) | 2024 | $1.1 million | $1 million | 2024-12 |
| American Music Therapy Association | Silver Spring | 501(c)(3) | 2000 | $1.1 million | $812,657 | 2024-12 |
| Akt Healthcare | Windsor Mill | 501(c)(3) | 2019 | $1 million | $912,113 | 2025-12 |
| Maryland Therapeutic Riding Inc | Crownsville | 501(c)(3) | 1997 | $993,277 | $2.6 million | 2024-12 |
| Greater Baltimore Center for Pregnancy Concerns | Baltimore | 501(c)(3) | 1980 | $991,706 | $2.6 million | 2025-06 |
| Annapolis Wellness Corporation | Annapolis | 501(c)(3) | 2007 | $979,054 | $1.2 million | 2025-12 |
| Casa Ruben Incorporated | Silver Spring | 501(c)(3) | 2018 | $977,840 | $1.5 million | 2024-12 |
| Kent and Queen Annes Rescue Squad Inc | Chestertown | 501(c)(3) | 1980 | $962,476 | $4.1 million | 2025-12 |
| Madison House Autism Foundation Inc | Rockville | 501(c)(3) | 2009 | $934,343 | $9.6 million | 2024-12 |
| Bowie Crofton Pregnancy Center Inc | Bowie | 501(c)(3) | 1986 | $934,246 | $2 million | 2024-12 |
| National Student Speech and Hearing Association Inc | Rockville | 501(c)(3) | 1974 | $925,542 | $1.8 million | 2024-12 |
| Funders for Reproductive Equity Inc | Rockville | 501(c)(3) | 1999 | $922,334 | $1.3 million | 2024-12 |
| Womens Health Center of Maryland | Cresaptown | 501(c)(3) | 2024 | $914,617 | $435,005 | 2025-06 |
| Potomac Massage Training Institute Inc | Silver Spring | 501(c)(3) | 1983 | $895,103 | $1.7 million | 2024-08 |
| Tri-Towns Ambulance Inc | Westernport | 501(c)(3) | 2025 | $894,380 | $223,260 | 2025-12 |
| All Childrens Health System Inc | Baltimore | 501(c)(3) | 1985 | $829,470 | $52.6 million | 2025-06 |
| American College of Dentists Foundation Inc | Rockville | 501(c)(3) | 1973 | $812,451 | $10.2 million | 2025-12 |
| Carenet Pregnancy Center of Southern Maryland Inc | Lexington PK | 501(c)(3) | 1998 | $806,767 | $870,954 | 2025-12 |
| Thurmont Community Ambulance Service Inc | Thurmont | 501(c)(3) | 1993 | $784,003 | $5.1 million | 2025-06 |
| Sudlersville Fire Company Incorporated | Sudlersville | 501(c)(3) | 1991 | $780,928 | $3.4 million | 2024-12 |
| Lotus Recovery Center Inc | Baltimore | 501(c)(3) | 2017 | $778,505 | $351,481 | 2024-12 |
| Raymond A Wood Foundation Inc | Ocean City | 501(c)(3) | 2017 | $767,005 | $450,947 | 2026-06 |
| Touch4life Inc | Clarksville | 501(c)(3) | 2020 | $760,650 | $899,167 | 2025-06 |
| The Maryland Center at Bowie State University Inc | Bowie | 501(c)(3) | 2000 | $748,112 | $864,180 | 2025-06 |
| Charles County Mobile Intensive Care Unit Inc | White Plains | 501(c)(3) | 1994 | $743,742 | $2.5 million | 2025-06 |
| Brain Injury Association of Maryland Inc | Gwynn Oak | 501(c)(3) | 1983 | $740,396 | $184,997 | 2026-06 |
| Conn Life and Health Ins Guaranty Association | New Market | 501(c)(6) | 1978 | $732,012 | $9.1 million | 2025-12 |
| Believe Big Inc | Hunt Valley | 501(c)(3) | 2012 | $724,307 | $700,892 | 2024-12 |
| Charles County Rescue Squad Inc | La Plata | 501(c)(3) | 1985 | $723,971 | $1.3 million | 2025-06 |
| Lifebridge Center for Hope Inc | Baltimore | 501(c)(3) | 2021 | $720,746 | $21.4 million | 2025-06 |
| Bcauseican Inc | Greenbelt | 501(c)(3) | 2015 | $711,931 | $61,729 | 2025-12 |
| Luminis Health Doctors Community Medical Center Foundation Inc | Annapolis | 501(c)(3) | 2014 | $691,298 | $2.2 million | 2025-06 |
| American College of Health Care Administrators | Rockville | 501(c)(3) | 1986 | $690,509 | $177,810 | 2024-09 |
| The League for Crippled Children Inc | Cumberland | 501(c)(3) | 1957 | $687,148 | $4.5 million | 2025-12 |
| Augsburg Lutheran Home of MD Inc | Baltimore | 501(c)(3) | 1977 | $678,305 | $814,346 | 2024-12 |
| Maryland McO Association Inc | Forest Hill | 501(c)(4) | 2018 | $664,091 | $2.5 million | 2025-12 |
| Fountain Comunity Enrichment Inc | Uppr Marlboro | 501(c)(3) | 2016 | $663,816 | $43,574 | 2025-12 |
| Luminis Health Research Institute Inc | Annapolis | 501(c)(3) | 2009 | $658,775 | $2.6 million | 2025-06 |
| Ralph C Heller Foundation Inc | Baltimore | 501(c)(3) | 1951 | $651,767 | $14.5 million | 2025-12 |
| Northern Garrett County Rescue Squad Inc | Grantsville | 501(c)(3) | 1974 | $649,648 | $1.8 million | 2025-09 |
| Gilchrist Baltimore Center Support Corporation | Hunt Valley | 501(c)(3) | 2022 | $608,912 | $17.5 million | 2025-06 |
| Thyca Thyroid Cancer Survivors Association Inc | Olney | 501(c)(3) | 1999 | $601,390 | $1.4 million | 2024-12 |
| Maryland Dental Action Coalition Inc | Columbia | 501(c)(3) | 2012 | $592,843 | $478,113 | 2024-12 |
| Institute of Global Perioperative Care | Hvre de Grace | 501(c)(3) | 2019 | $588,442 | $226,977 | 2024-12 |
| Marlins for Mason Inc | Berlin | 501(c)(3) | 2023 | $587,734 | $57,200 | 2025-12 |
| Dentsville Volunteer Ems and Auxillary Inc | La Plata | 501(c)(3) | 2000 | $583,857 | $2.9 million | 2025-06 |
| Pregnancy Aid Centers Inc | College Park | 501(c)(3) | 1975 | $572,890 | $2 million | 2025-06 |
| Fibroid Foundation | Rockville | 501(c)(3) | 2015 | $564,183 | $335,083 | 2024-06 |
| Roberto Clemente-Santa Ana Health Clinic Inc | Baltimore | 501(c)(3) | 2003 | $554,624 | $458,184 | 2024-12 |
| Donate Life Maryland | Baltimore | 501(c)(3) | 2007 | $546,454 | $225,823 | 2025-03 |
| Pregnancy Center Inc | Towson | 501(c)(3) | 1991 | $540,701 | $1.4 million | 2025-12 |
| Baltimore Area Health Education Center Inc | Baltimore | 501(c)(3) | 2004 | $536,037 | $630,826 | 2024-12 |
| Bright Jeong Foundation Inc | Ellicott City | 501(c)(3) | 2024 | $529,183 | $542,970 | 2025-12 |
| Rockville Pregnancy Center Inc | Rockville | 501(c)(3) | 1987 | $527,988 | $492,358 | 2024-12 |
| Communication Health Support Associ Ation Inc Maryland | Rockville | 501(c)(3) | 1937 | $519,681 | $3.5 million | 2024-12 |
| Club 164 Inc | Annapolis | 501(c)(3) | 2020 | $518,270 | $210,361 | 2024-12 |
| Maryland Citizens Health Initiative Inc | Baltimore | 501(c)(4) | 2000 | $506,815 | $329,930 | 2025-12 |
| Maryland Citizens Health Initiative Education Fund Inc | Baltimore | 501(c)(3) | 2000 | $502,663 | $915,139 | 2025-12 |
| Seventh District Rescue Squad Inc | Avenue | 501(c)(3) | 1977 | $500,517 | $2.3 million | 2025-06 |
| Jewish Caring Network Gevuras Yarden Inc | Baltimore | 501(c)(3) | 2001 | $494,576 | $1 million | 2025-12 |
| Presbyterian Eye Ear & Throat Charity Hospital Inc | Lutherville | 501(c)(3) | 1934 | $484,162 | $5.3 million | 2026-06 |
| Asian American Healthcare Center Inc | Marriottsville | 501(c)(3) | 2009 | $466,761 | $453,053 | 2025-12 |
| The James Isaac House Inc | Oakland | 501(c)(3) | 1989 | $465,812 | $302,630 | 2025-12 |
| Hollywood Volunteer Resque Squad Inc | Hollywood | 501(c)(3) | 2024 | $463,182 | $2.1 million | 2025-06 |
| Leonardtown Volunteer Rescue Squade Inc | Leonardtown | 501(c)(3) | 1981 | $455,488 | $4.1 million | 2025-06 |
| International Psychotherapy Institute Inc | Bethesda | 501(c)(3) | 2007 | $452,491 | $739,766 | 2024-12 |
| Medical & Dental Staff of Holy Cross Hospital of Silver Spring | Silver Spring | 501(c)(3) | 1978 | $452,394 | $921,672 | 2025-12 |
| Womens Board of Montgomery General Hospital | Olney | 501(c)(3) | 1964 | $437,257 | $189,656 | 2025-06 |
| Frederick County Crisis Pregnancy Center Inc | Frederick | 501(c)(3) | 1984 | $434,913 | $1.1 million | 2024-12 |
| Health Tech Alley | Columbia | 501(c)(3) | 2023 | $430,516 | $313,347 | 2025-12 |
| Emmitsburg Osteopathic Primary Care Center Inc | Emmitsburg | 501(c)(3) | 2000 | $430,422 | $1 million | 2024-12 |
| Laurel Pregnancy Center Inc | Laurel | 501(c)(3) | 1989 | $428,074 | $275,829 | 2025-06 |
| Smithsburg Emergency Medical Services Inc | Smithsburg | 501(c)(3) | 1981 | $422,245 | $1.3 million | 2025-06 |
| Howard County Pregnancy Center Inc | Columbia | 501(c)(3) | 2017 | $420,053 | $470,144 | 2025-12 |
| Friends of Patients at the Nih Inc | Bethesda | 501(c)(3) | 1986 | $411,106 | $828,162 | 2024-12 |
| Meritus Medical Center Auxiliary Inc | Hagerstown | 501(c)(3) | 1986 | $407,955 | $434,950 | 2024-12 |
| International Association of Museum Facility Adminstrators | Bel Air | 501(c)(3) | 1992 | $407,429 | $691,483 | 2025-12 |
| Carroll Hospital Center Auxiliary | Westminster | 501(c)(3) | 1974 | $401,984 | $479,565 | 2025-06 |
| Shady Grove Pregnancy Center Inc | Gaithersburg | 501(c)(3) | 1983 | $385,025 | $488,171 | 2025-09 |
| Rockville Nursing Home Inc | Rockville | 501(c)(3) | 1973 | $383,644 | $6.9 million | 2025-06 |
| Maryland Committee On Trauma Inc | Baltimore | 501(c)(3) | 2013 | $378,647 | $208,696 | 2025-11 |
| Havre de Grace Ambulance Corps Inc | Hvre de Grace | 501(c)(3) | 1987 | $377,560 | $3.6 million | 2025-06 |
| Clinica Medica Primaria de Rising Sun Inc | Rising Sun | 501(c)(3) | 2020 | $369,632 | $21,034 | 2025-07 |
| Operation Earnie S Plate Incorporated | Uppr Marlboro | 501(c)(3) | 2018 | $369,225 | $5,513 | 2025-12 |
| Larche Frederick Maryland Inc | Frederick | 501(c)(3) | 2015 | $344,432 | $532,182 | 2025-06 |
| Momcares Inc | Baltimore | 501(c)(3) | 2023 | $343,012 | $16,139 | 2024-12 |
| WSCHC Support Corporation | Hagerstown | 501(c)(3) | 2015 | $342,000 | $4.7 million | 2026-02 |
| Mesh Life Care at Home Inc | Silver Spring | 501(c)(3) | 2001 | $341,863 | $3.4 million | 2025-12 |
| Lower Somerset County Ambulance and Rescue Squad Inc | Crisfield | 501(c)(3) | 2021 | $321,080 | $568,904 | 2025-06 |
| Cindys Fund Inc | Oakland | 501(c)(3) | 2021 | $317,192 | $321,264 | 2025-12 |
| The Mosaic Group Foundation Inc | Owings Mills | 501(c)(3) | 2001 | $315,254 | $297,984 | 2024-12 |
| Body Agency Collective | Bethesda | 501(c)(3) | 2023 | $315,000 | $89,438 | 2025-12 |
| Alpha Pregnancy Center Inc | Reisterstown | 501(c)(3) | 1985 | $313,859 | $549,564 | 2024-12 |
| Asbury Communities HCBS Inc | Frederick | 501(c)(3) | 2011 | $313,389 | $1.3 million | 2024-12 |
| Health Solutions Research Incorporated | Rockville | 501(c)(3) | 2014 | $310,681 | $226,410 | 2023-12 |
| Univ of MD Capital Region Foundatio N Inc | Largo | 501(c)(3) | 1984 | $304,574 | $1.8 million | 2025-06 |
| Brunswick Volunteer Ambulance Inc | Brunswick | 501(c)(3) | 1976 | $293,816 | $688,796 | 2024-12 |
| American Music Therapy Association Affiliates | Silver Spring | 501(c)(3) | 2000 | $288,966 | $707,801 | 2024-12 |
| Hereford Volunteer Ambulance Association Inc | Monkton | 501(c)(3) | 1975 | $281,725 | $1.3 million | 2025-12 |
| Health Empowerment Network of Maryland Inc | Mitchellville | 501(c)(3) | 2023 | $268,290 | $422,838 | 2025-12 |
| Inteleos Foundation | Rockville | 501(c)(3) | 2022 | $267,449 | $341,290 | 2024-12 |
| Alliance for Eye and Vision Research Inc | Rockville | 501(c)(3) | 1994 | $262,875 | $441,242 | 2024-12 |
| Calvert Advanced Life Support Unit Inc | PRNC Frederck | 501(c)(3) | 2002 | $261,109 | $679,578 | 2025-06 |
| African Mothers Health Initiative | Takoma Park | 501(c)(3) | 2008 | $244,786 | $136,955 | 2025-09 |
| Family Survivor Network | Baltimore | 501(c)(3) | 2023 | $241,662 | $18,430 | 2024-12 |
| Annapolis Dragon Boat Foundation Inc | Annapolis | 501(c)(3) | 2011 | $233,426 | $313,656 | 2025-12 |
| Operation Pulse Inc | Hampstead | 501(c)(3) | 1994 | $233,285 | $2,999 | 2025-06 |
| Lions Center for Rehabilitation and Extended Care Inc | Cumberland | 501(c)(3) | 2015 | $221,212 | $4.4 million | 2024-12 |
| Ridge Volunteer Rescue Squad Inc | Ridge | 501(c)(3) | 1981 | $217,068 | $610,098 | 2025-06 |
| Alliance for Artificial Intelligence in Healthcare | Baltimore | 501(c)(4) | 2024 | $215,592 | $106,554 | 2024-12 |
| Walter Reed Society | Bethesda | 501(c)(3) | 1997 | $212,345 | $2.9 million | 2024-12 |
| Maryland Medical-Legal Foundation Inc | Baltimore | 501(c)(3) | 1964 | $211,714 | $45,082 | 2024-12 |
| Live Incorporated | Baltimore | 501(c)(3) | 2023 | $208,977 | $2,062 | 2024-12 |
| The Love for Lochlin Foundation Incorporated | Frederick | 501(c)(3) | 2021 | $203,342 | $129,458 | 2024-11 |
| Franklin Square Hospital Center Auxiliary | Rosedale | 501(c)(3) | 1952 | $202,995 | $254,914 | 2025-04 |
| Council of Interstate Testing Agencies Inc | Linthicum | 501(c)(3) | 2007 | $200,003 | $759 | 2025-06 |
| Eastern Shore Wellness Solutions Inc | Cambridge | 501(c)(3) | 2018 | $198,376 | $108,244 | 2025-12 |
| Cecil County Pregnancy Center | Elkton | 501(c)(3) | 1988 | $197,564 | $138,996 | 2024-12 |
| Taking the Lead | Towson | 501(c)(3) | 2018 | $196,928 | $34,285 | 2024-12 |
| Spirit Club Foundation | Kensington | 501(c)(3) | 2015 | $195,314 | $221,978 | 2025-12 |
| Pendleton Place Inc | Towson | 501(c)(3) | 2019 | $192,455 | $1 | 2024-12 |
| Association of Clinical Elbow and Shoulder Surgeons Incorporated | Arnold | 501(c)(6) | 2016 | $191,021 | $253,052 | 2025-12 |
| Hope for West Africa Foundation Inc | Baltimore | 501(c)(3) | 2007 | $190,884 | $153,977 | 2025-12 |
| Medical Staff of Holy Cross Germantown Hospital | Silver Spring | 501(c)(3) | 2024 | $189,500 | $129,440 | 2025-12 |
| Serbian American Medical Association Sama Inc | Potomac | 501(c)(3) | 2010 | $184,287 | $107,119 | 2025-12 |
| Medstar Union Memorial Auxiliary | Baltimore | 501(c)(3) | 2024 | $181,050 | $250,446 | 2025-06 |
| Maryland Assembly On School-Based Health Care | Baltimore | 501(c)(3) | 2009 | $180,858 | $6,808 | 2025-06 |
| Fund To Promote Awareness of Occupational Therapy | Bethesda | 501(c)(3) | 2002 | $180,752 | $615,395 | 2025-06 |
| Alphas Glory Crisis Pregnancy Center Incorporated | Aberdeen | 501(c)(3) | 1991 | $177,633 | $90,572 | 2025-12 |
| Medstar Good Samaritan Hospital Auxiliary Inc | Baltimore | 501(c)(3) | 2024 | $177,268 | $181,836 | 2025-06 |
| Burrows Hill Foundation To Fight Friedreichs Ataxia Inc | Annapolis | 501(c)(3) | 2016 | $177,152 | $51,227 | 2025-12 |
| The Shepherds Clinic William HM Finney Foundation Inc | Baltimore | 501(c)(3) | 2001 | $173,452 | $1.2 million | 2025-06 |
| Golfers Charitable Association Inc | Towson | 501(c)(3) | 1968 | $171,448 | $842,826 | 2024-12 |
| HMG Management Group Inc | Bowie | 501(c)(3) | 2021 | $168,300 | $190,394 | 2025-12 |
| Maryland Foundation of Dentistry for the Handicapped Inc | Columbia | 501(c)(3) | 1996 | $165,866 | $123,254 | 2025-06 |
| Care for Als Inc | Ridgely | 501(c)(3) | 2022 | $165,600 | $48,428 | 2024-11 |
| Empower Motivation Fitness | Annapolis | 501(c)(3) | 2021 | $157,984 | $152,903 | 2025-12 |
| Immunizedc | Hanover | 501(c)(3) | 2020 | $156,478 | $9,680 | 2024-12 |
| Greater Washington Association of Physicians of Indian Origin | Gaithersburg | 501(c)(3) | 2014 | $156,173 | $191,062 | 2025-02 |
| Operation Walk Maryland | Brooklandvl | 501(c)(3) | 2008 | $156,140 | $482,096 | 2024-12 |
| Carroll County Health Service Corp | Westminster | 501(c)(3) | 1959 | $155,892 | $501.9 million | 2025-06 |
| Herald Harbor Volunteer Fire Depart Ment Inc | Crownsville | 501(c)(3) | 2026 | $155,736 | $395,208 | 2026-06 |
| Health Access Fund | Silver Spring | 501(c)(3) | 2022 | $152,912 | $2.9 million | 2024-12 |
| American Society of Breast Surgeons Foundation Inc | Kensington | 501(c)(3) | 2005 | $150,365 | $313,237 | 2024-12 |
| Taqwa Habesha Muslim Women Global Organization | Ft Washington | 501(c)(3) | 2025 | $149,050 | $83,779 | 2024-12 |
| Faith Alliance for Advancing Communities in Equity and Sustaina | Olney | 501(c)(3) | 2024 | $146,915 | $76,072 | 2025-12 |
| Oregon Psychiatric Physicians Association | Severna Park | 501(c)(6) | 2025 | $146,656 | $35,361 | 2024-12 |
| Ithrives Inc | Thurmont | 501(c)(3) | 2025 | $145,822 | $130,946 | 2025-12 |
| Institute for Creative Studies | Hvre de Grace | 501(c)(3) | 1990 | $144,588 | $96,841 | 2025-12 |
| American Association of Genitourinary Surgeons Foundation | Oakland | 501(c)(3) | 2025 | $141,126 | $139,646 | 2025-02 |
| Western Orthopaedic Foundation | Towson | 501(c)(3) | 2015 | $140,824 | $1.1 million | 2024-12 |
| Auxiliary To the National Medical Association Inc | Silverspring | 501(c)(3) | 1978 | $140,113 | $150,328 | 2025-09 |
| Little Yellow Bird Foundation Inc | Annapolis | 501(c)(3) | 2019 | $139,894 | $150,086 | 2025-12 |
| Chinese American Community Health | Gaithersburg | 501(c)(3) | 2017 | $136,065 | $101,772 | 2025-12 |
| West Virginia Local Health Incorporated | Columbia | 501(c)(3) | 1996 | $135,900 | $507,007 | 2024-12 |
| Ecp Cares Inc | Bethesda | 501(c)(3) | 2020 | $135,535 | $168,642 | 2024-12 |
| Auxiliary of the Dorchester General Hospital Inc | Cambridge | 501(c)(3) | 2024 | $132,554 | $527,466 | 2025-12 |
| North Silver Spring Community Dental and Health Clinic Inc | Silver Spring | 501(c)(3) | 2014 | $130,456 | $56,110 | 2025-12 |
| Medical Staff of Sinai Hospital of Baltimore Inc | Baltimore | 501(c)(3) | 2024 | $129,186 | $645,335 | 2025-12 |
| Calvert Memorial Hospital Auxiliary | PRNC Frederck | 501(c)(3) | 1966 | $127,920 | $5,635 | 2026-06 |
| Reality Care Health Services | Windsor Mill | 501(c)(3) | 2019 | $126,034 | $24,925 | 2025-12 |
| Frederick County 4-H Therapeutic Riding Program | Thurmont | 501(c)(3) | 1991 | $123,812 | $165,879 | 2024-12 |
| Talbot County Paramedics Foundation Inc | Easton | 501(c)(3) | 2009 | $121,847 | $397,501 | 2025-12 |
| Auxiliary of the Holy Cross Hospital of Silver Spring Inc | Silver Spring | 501(c)(3) | 1977 | $121,626 | $389,760 | 2025-06 |
| Black Doula Project Inc | Gaithersburg | 501(c)(3) | 2020 | $119,614 | $122,652 | 2024-12 |
| Ceda Inc | Potomac | 501(c)(3) | 2018 | $119,473 | $79,863 | 2025-12 |
| 4 Steps Therapeutic Riding Program | Parsonsburg | 501(c)(3) | 2006 | $117,591 | $55,293 | 2024-12 |
| Dentmed Inc | Lusby | 501(c)(3) | 2021 | $115,520 | $115,520 | 2025-12 |
| Grace Center for Maternal and Womens Health Inc | Berlin | 501(c)(3) | 2011 | $115,057 | $15,986 | 2024-12 |
| Maryland Cardiac Surgery Quality Initiative Inc | Baltimore | 501(c)(3) | 2014 | $108,450 | $325,549 | 2025-12 |
| Pediatric Pain Foundation Inc | Rockville | 501(c)(3) | 2025 | $108,100 | $108,085 | 2025-12 |
| Jordan McNair Foundation Inc | Baltimore | 501(c)(3) | 2019 | $107,967 | $86,741 | 2025-12 |
| Irise Above Foundation | Hyattsville | 501(c)(3) | 2018 | $107,484 | $33,922 | 2024-12 |
| The Kendall Burrows Foundation Inc | Timonium | 501(c)(3) | 1998 | $107,126 | $203,227 | 2024-12 |
| Pregnancy Center Inc | Catonsville | 501(c)(3) | 1991 | $104,971 | $262,508 | 2025-12 |
| Alexander B Meshkin Foundation | Glenwood | 501(c)(3) | 2022 | $104,821 | $209,047 | 2024-12 |
| Forestville Pregnancy Center Inc | Temple Hills | 501(c)(3) | 1988 | $102,937 | $214,700 | 2025-12 |
| Scares That Care Inc | Hampstead | 501(c)(3) | 2011 | $101,249 | $71,378 | 2024-12 |
| Nest Foundation | Westminster | 501(c)(3) | 2023 | $100,000 | $23,670 | 2025-12 |
| Optimal Wellness Research Foundation Inc | Columbia | 501(c)(3) | 2019 | $100,000 | $622 | 2025-12 |
| University of Maryland Upper Chesapeake HLTH Volunteer Services | Bel Air | 501(c)(3) | 1975 | $95,075 | $114,294 | 2024-12 |
| Chester River Hospital Center Auxilliary Inc | Chestertown | 501(c)(3) | 1977 | $95,072 | $304,098 | 2025-12 |
| Wounded Warriors Day On the Bay Inc | Baltimore | 501(c)(3) | 2023 | $93,951 | $61,095 | 2025-12 |
| Pinked Perspective Inc | Arnold | 501(c)(3) | 2014 | $93,792 | $63,721 | 2025-12 |
| Abaseen Institute of Medical Sciences USA | Catonsville | 501(c)(3) | 2019 | $93,421 | $17,905 | 2025-12 |
| New Hope Pastoral Ministries Inc | Sparks | 501(c)(3) | 1995 | $92,509 | $37,227 | 2025-12 |
| ARISE&FLOURISH | Bethesda | 501(c)(3) | 2014 | $92,293 | $58,031 | 2025-12 |
| Auxiliary of Church Hospital Corporation | Columbia | 501(c)(3) | 1981 | $89,414 | $2.8 million | 2025-06 |
| Mid-Atlantic Burn Camp Fund Incorporated | Clarksville | 501(c)(3) | 1992 | $85,543 | $188,011 | 2024-12 |
| The Bettie Jane Cancer Foundation Inc | Frederick | 501(c)(3) | 2011 | $84,297 | $202,263 | 2025-12 |
| Paul Magnus Foundation Inc | Fulton | 501(c)(3) | 2022 | $83,741 | $35,346 | 2025-07 |
| Marian Chace Foundation of the American Dance Therapy Assoc Inc | Columbia | 501(c)(3) | 1996 | $80,536 | $868,128 | 2025-06 |
| Community Health Foundation Inc | Bowie | 501(c)(3) | 2019 | $79,679 | $312,444 | 2025-12 |
| Alliance With Clients Corporation | Cambridge | 501(c)(3) | 2022 | $77,943 | $2,513 | 2025-12 |
| Healthy Happy Kids Inc | Reisterstown | 501(c)(3) | 2014 | $77,665 | $32,292 | 2025-12 |
| American Association of Healthcare Administrative Management | Baltimore | 501(c)(6) | 1975 | $77,543 | $80,447 | 2024-12 |
| Institute of Nuclear Medicine Inc | Glen Burnie | 501(c)(3) | 2023 | $77,413 | $309,666 | 2024-12 |
| Insight On the Inside Inc | Bethesda | 501(c)(3) | 2019 | $77,398 | $63,779 | 2025-09 |
| Hope in South Africa Inc | Frederick | 501(c)(3) | 2012 | $75,672 | $73,791 | 2025-12 |
| Uncomaa North America Inc | Clarksville | 501(c)(3) | 2014 | $75,360 | $155,954 | 2025-12 |
| Good Samaritan Nursing Center Inc | Baltimore | 501(c)(3) | 1990 | $73,000 | $120,000 | 2025-06 |
| Maryland Public Health Association Inc | Columbia | 501(c)(3) | 2015 | $72,920 | $120,986 | 2025-12 |
| Woodsboro Medical Center Inc | Woodsboro | 501(c)(3) | 1979 | $71,946 | $173,501 | 2022-12 |
| Learning Communities Institute Inc | Rosedale | 501(c)(3) | 2014 | $70,186 | $253,090 | 2025-06 |
| Andrews Air Force Base Fisher House Inc | JB Andrews | 501(c)(3) | 1995 | $66,600 | $210,698 | 2025-09 |
| Maryland Accupuncture Society | Takoma Park | 501(c)(6) | 2023 | $66,360 | $10,092 | 2024-12 |
| Baltimore Homa Community Inc | Woodstock | 501(c)(3) | 2012 | $65,322 | $39,758 | 2025-12 |
| Out Came the Sun Foundation Inc | Rockville | 501(c)(3) | 2008 | $64,602 | $3,451 | 2024-12 |
| Sinai Mitzvah Foundation Inc | Baltimore | 501(c)(3) | 1948 | $63,017 | $736,013 | 2025-06 |
| Minaret of Freedom Institute | Bethesda | 501(c)(3) | 1994 | $62,862 | $19,654 | 2025-12 |
| Krueger Hat Trick Inc | Westminster | 501(c)(3) | 2020 | $62,004 | $24,933 | 2024-12 |
| Allentown Road Volunteer Fire Department Inc | Ft Washington | 501(c)(3) | 1998 | $58,362 | $550,444 | 2025-12 |
| Kristin Rita Strouse Foundation Formental Health Awareness Inc | Cockeysville | 501(c)(3) | 2007 | $57,383 | $214,151 | 2025-12 |
| Bestcare Home Inc | Hanover | 501(c)(3) | 2019 | $56,197 | $5,584 | 2025-12 |
| Gold in Fight | Sparrows PT | 501(c)(3) | 2016 | $55,229 | $152,595 | 2025-12 |
| Anne Arundel Professional Firefighters Burn Foundation Inc | Severna Park | 501(c)(3) | 2002 | $54,916 | $197,878 | 2025-12 |
| Family of the Americas Foundation Inc | Edgewater | 501(c)(3) | 1978 | $54,893 | $240,565 | 2024-12 |
| Emmanuel Health Education Inc | Columbia | 501(c)(3) | 2020 | $54,508 | $65,951 | 2025-12 |
| William J Glowacki Foundation Inc | Hyattsville | 501(c)(3) | 2018 | $53,783 | $143,865 | 2025-12 |
| Harmony Works | Baltimore | 501(c)(3) | 2022 | $52,957 | $1,855 | 2025-12 |
| Foundation for Special Surgery | Potomac | 501(c)(3) | 2014 | $52,678 | $10,064 | 2025-12 |
| Trinity Detox and Family Clinic Inc | Rosedale | 501(c)(3) | 2019 | $51,655 | $15,500 | 2025-12 |
| Medical Staff of the Baltimore County General Hospital | Randallstown | 501(c)(3) | 1977 | $50,028 | $185,922 | 2025-08 |
| Global Medical Alliance Inc | Gaithersburg | 501(c)(3) | 2014 | $50,000 | $1 | 2023-12 |
| Society of Bedside Medicine Inc | Baltimore | 501(c)(3) | 2017 | $48,639 | $186,920 | 2024-12 |
| Digital Learning Group Inc | Ellicott City | 501(c)(3) | 2004 | $48,182 | $93,567 | 2025-06 |
| Open My Heart Foundation Inc | Oxon Hill | 501(c)(3) | 2016 | $45,604 | $14,604 | 2024-12 |
| Flury Place Inc | Frederick | 501(c)(3) | 1999 | $39,056 | $439,279 | 2025-06 |
| International Association of Fire Fighters | Cumberland | 501(c)(5) | 1940 | $37,748 | $22,860 | 2024-12 |
| Community Health Center of Parole | Annapolis | 501(c)(3) | 1999 | $35,344 | $421,157 | 2025-06 |
| Sivananda Center Hyderabad | Baltimore | 501(c)(3) | 2002 | $34,947 | $40,670 | 2025-12 |
| Brook Lane Foundation Inc | Hagerstown | 501(c)(3) | 2012 | $34,280 | $1 | 2025-06 |
| Andrews Laughing Gas | Towson | 501(c)(3) | 2020 | $34,251 | $79,356 | 2025-12 |
| Horn of Africa Neonatal Development Services Inc | Gaithersburg | 501(c)(3) | 2011 | $34,155 | $19,911 | 2025-12 |
| Pierre Fauchard Academy Leadership Foundation | Rockville | 501(c)(3) | 2021 | $33,598 | $35,776 | 2025-12 |
| Howard County Dental Association Inc | Baltimore | 501(c)(3) | 2010 | $33,198 | $58,453 | 2025-12 |
| Salpha Healthcare Services | Cheverly | 501(c)(3) | 2019 | $31,100 | $31,100 | 2025-12 |
| Lizzys Love and Support Foundation Inc | Hanover | 501(c)(3) | 2024 | $30,000 | $6,846 | 2025-12 |
| Levindale Auxiliary Inc | Baltimore | 501(c)(3) | 1992 | $28,823 | $331,083 | 2025-06 |
| Ethnicity & Disease Inc | Owings Mills | 501(c)(3) | 2019 | $27,346 | $95,341 | 2024-12 |
| Check-6 Foundation Inc | Accokeek | 501(c)(3) | 2011 | $26,534 | $62,204 | 2025-12 |
| Untold Stories Inc | Towson | 501(c)(3) | 2022 | $23,069 | $19,667 | 2024-12 |
| Carmelita Tuazon Foundation LTD | Chevy Chase | 501(c)(3) | 2022 | $22,970 | $98,092 | 2024-12 |
| Global Community Health Thriving | Rockvile | 501(c)(3) | 2024 | $20,305 | $20,395 | 2026-01 |
| Christle Lighthouse Pregnancy Care | Camp Springs | 501(c)(3) | 1996 | $19,475 | $38,945 | 2025-12 |
| Medicine With A Mission Inc | Annapolis | 501(c)(3) | 2016 | $17,158 | $82,481 | 2025-12 |
| Cameroonian Pharmacists Association-Usa | Rockville | 501(c)(3) | 2018 | $17,082 | $44,390 | 2025-12 |
| Keep Climbing Inc | Baltimore | 501(c)(3) | 2023 | $13,987 | $67,064 | 2025-12 |
| The District of Columbia Metro Area Branch of the Com Officers Association | Silver Spring | 501(c)(3) | 2024 | $13,341 | $49,428 | 2025-06 |
| American Academy of Medical Sciences Inc | Rockville | 501(c)(3) | 2000 | $11,544 | $42,304 | 2025-12 |
| Healthy Harford Inc | Hvre de Grace | 501(c)(3) | 2012 | $11,000 | $88,062 | 2024-12 |
| Coastal Care Chiropractic & Holistic Center | Salisbury | 501(c)(3) | 2021 | $10,292 | $1,025 | 2025-12 |
| Childbirth Survival International | Baltimore | 501(c)(3) | 2014 | $9,660 | $16,345 | 2024-12 |
| Association of Physicians of Pakistani Descent of North America | Baltimore | 501(c)(3) | 2013 | $8,892 | $41,747 | 2025-12 |
| Harmony Foundation Inc | Annapolis | 501(c)(3) | 2024 | $8,697 | $7,780 | 2024-12 |
| The Childrens Oral Health Institute Inc | Owings Mills | 501(c)(3) | 2018 | $8,130 | $9,661 | 2025-12 |
| Training Epinephrine Administrators in Medication Corporation | Bethesda | 501(c)(3) | 2021 | $7,500 | $7,500 | 2024-12 |
| Victory Drug Center Inc | Capitol HGTS | 501(c)(3) | 1997 | $7,492 | $22,745 | 2025-12 |
| Wiin Breast Care Foundation Inc | Natl Harbor | 501(c)(3) | 2021 | $6,078 | $1 | 2025-12 |
| Tekau Heart Memorial Foundation | Clinton | 501(c)(3) | 2019 | $6,018 | $4,433 | 2025-12 |
| Society of the Little Sisters of the Poor A Louisiana Corporation | Baltimore | 501(c)(3) | 1946 | $6,017 | $175,863 | 2025-12 |
| Health in Gold Measures Inc | Germantown | 501(c)(3) | 2021 | $5,000 | $10,371 | 2024-12 |
| Equestrian Health and Safety Foundation Inc | Annapolis | 501(c)(3) | 2025 | $4,414 | $3,086 | 2025-12 |
| The Menkes Foundation Inc | California | 501(c)(3) | 2007 | $4,212 | $181,736 | 2025-12 |
| Health Focus Foundation Inc | Baltimore | 501(c)(3) | 2025 | $4,025 | $1 | 2025-12 |
| Gifted Smiles | Huntingtown | 501(c)(3) | 2024 | $3,407 | $1 | 2025-12 |
| Liver Health Initiative | Silver Spring | 501(c)(3) | 2016 | $3,107 | $137,733 | 2025-05 |
| Blue Line Homes Inc | Mount Airy | 501(c)(3) | 2023 | $2,112 | $1,309 | 2024-12 |
| Simple Provisions Corp | Baltimore | 501(c)(3) | 2022 | $2,000 | $18,086 | 2025-12 |
| Howard Community Health Foundation Inc | Columbia | 501(c)(3) | 1998 | $1,600 | $1,600 | 2024-12 |
| Oasis Foundation Inc | Edgewater | 501(c)(3) | 2026 | $1,500 | $500 | 2021-12 |
| New Way of Outreach Recovery Inc | Silver Spring | 501(c)(3) | 2026 | $986 | $699 | 2025-12 |
| Unity Bands Inc | Annapolis | 501(c)(3) | 2022 | $675 | $4,597 | 2025-12 |
| Laps for Lexi | Silver Spring | 501(c)(3) | 2013 | $269 | $3,000 | 2025-12 |
| Tranquil Quality Care Inc | Odenton | 501(c)(3) | 2021 | $105 | $360 | 2024-12 |
| Saint Luke Institute Foundation Inc | Silver Spring | 501(c)(3) | 2008 | $85 | $5.9 million | 2025-06 |
| PTS Rehab Works Inc | Upper Marlboro | 501(c)(3) | 2012 | $3 | $1,185 | 2026-01 |
| 44everblessed | Randallstown | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| 4a Focus Integrated Care Inc | Owings Mills | 501(c)(3) | 2021 | $0 | $0 | 2024-06 |
| A & E Mobile Healthcare | Baltimore | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| A Closer Step Traditional Housing Incorporated | Baltimore | 501(c)(3) | 2024 | |||
| A Community of Transformation Inc | Arnold | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| A Global Healthcare Public Foundation Inc | Sykesville | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| A Healthier You Inc | Beltsville | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| ARTS&SCIENCE Inc | Lutherville | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Access Oral Health Inc | Chevy Chase | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Access To Wholistic and Productive Living Incorporated | Brentwood | 501(c)(3) | 2008 | $0 | $124,195 | 2024-12 |
| Accessibility Equipment Exchange Inc | Clarksville | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Adloris Foundation Inc | Baltimore | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.