| Sport and Entertainment Corporation of Maryland | 501(c)(3) | 2019 | $14.4 million | $246,316 | 2023-12 |
| Camp Airy & Camp Louise Foundation Inc | 501(c)(3) | 1929 | $12.1 million | $29.7 million | 2025-10 |
| Together Every1 Achieves More Inc | 501(c)(3) | 2010 | $11 million | $1.7 million | 2024-12 |
| Baltimore Municipal Golf Corporation | 501(c)(3) | 1985 | $8.5 million | $5.6 million | 2024-12 |
| Special Olympics Maryland Inc | 501(c)(3) | 1970 | $7.4 million | $10.1 million | 2025-12 |
| Parks and People Inc | 501(c)(3) | 1984 | $6.2 million | $17.3 million | 2024-12 |
| Soccer Without Borders | 501(c)(3) | 2006 | $5.8 million | $4.2 million | 2025-07 |
| Baltimore Sports Tourism Development Council Inc | 501(c)(3) | 2019 | $5.2 million | $656,443 | 2025-06 |
| Woodholme Country Club Inc | 501(c)(7) | 2014 | $4.4 million | $10.6 million | 2025-04 |
| Maryland State Golf Association | 501(c)(3) | 2002 | $3.3 million | $3.2 million | 2025-12 |
| Southeastern Hockey Officials Association Inc | 501(c)(3) | 2006 | $2.9 million | $606,309 | 2025-05 |
| Downtown Sailing Center Inc | 501(c)(3) | 1994 | $1.4 million | $1.3 million | 2024-11 |
| Camp Rock Inc | 501(c)(3) | 2013 | $1.3 million | $268,886 | 2025-06 |
| College Swimming Coaches Association of America Inc | 501(c)(3) | 1969 | $868,759 | $227,606 | 2026-06 |
| Baltimore Operation Sail LTD | 501(c)(3) | 1975 | $517,333 | $200,758 | 2024-12 |
| Reclaiming Our Children & Community Project Inc | 501(c)(3) | 2004 | $447,908 | $47,414 | 2024-12 |
| Baltimore Urban Baseball Association | 501(c)(3) | 2018 | $364,367 | $895,854 | 2024-12 |
| Maryland State Wrestling Assoc | 501(c)(3) | 2017 | $360,948 | $193,158 | 2024-08 |
| Keep Punching | 501(c)(3) | 2014 | $341,467 | $342,520 | 2024-12 |
| Project Ezra of Greater Baltimore Inc | 501(c)(3) | 2014 | $317,869 | $1.7 million | 2024-12 |
| Arbutus Recreation and Parks Council | 501(c)(3) | 1998 | $297,174 | $205,232 | 2026-06 |
| Southwest Sports and Fitness Alliance Inc | 501(c)(3) | 2019 | $270,675 | $200,920 | 2025-12 |
| Mt Washington Swimming Club Inc | 501(c)(7) | 2023 | $261,064 | $511,065 | 2025-12 |
| Maryland Figure Skating Inc | 501(c)(3) | 2004 | $230,603 | $175,283 | 2025-12 |
| Visions Select Baseball Inc | 501(c)(3) | 2025 | $196,527 | $168,020 | 2024-12 |
| United States Bowling Congress Inc | 501(c)(3) | 2004 | $178,941 | $155,640 | 2025-07 |
| Mount Washington Soccer Club | 501(c)(3) | 2024 | $167,976 | $6,761 | 2025-12 |
| Road Runners of America | 501(c)(3) | 1976 | $165,970 | $266,614 | 2025-12 |
| Greater Hamilton Homes Inc | 501(c)(3) | 2003 | $150,189 | $634,842 | 2025-06 |
| MR Mack Lewis Foundation Inc | 501(c)(3) | 2012 | $148,300 | $44,750 | 2025-08 |
| Lithuanian Hall Association Inc | 501(c)(3) | 1980 | $133,917 | $91,533 | 2024-12 |
| Team Thrill Youth Sports Organization Inc | 501(c)(3) | 2018 | $123,059 | $89,246 | 2025-07 |
| Pierces Park Management Inc | 501(c)(3) | 2013 | $111,758 | $2.7 million | 2025-06 |
| Velocipede Bike Project | 501(c)(3) | 2009 | $109,864 | $190,393 | 2025-06 |
| Umar Boxing Program Inc | 501(c)(3) | 1999 | $109,186 | $100,743 | 2025-12 |
| Lake Roland Nature Council Inc | 501(c)(3) | 2013 | $103,429 | $744,170 | 2025-06 |
| Baltimore City White Knight Track C Lub | 501(c)(3) | 2026 | $96,730 | $13,482 | 2025-12 |
| Beyond Fearless Inspired By Truth Inc | 501(c)(3) | 2021 | $92,007 | $4,302 | 2025-12 |
| Eaa Fitness Inc | 501(c)(4) | 2001 | $69,314 | $42,587 | 2025-09 |
| Red Clover Co | 501(c)(7) | 2023 | $68,725 | $191,862 | 2025-12 |
| Carney Rod and Gun Club Foundation Inc | 501(c)(3) | 2020 | $65,926 | $39,562 | 2025-12 |
| Taxpayers Improvement Association of Patapsco Park | 501(c)(3) | 2002 | $64,557 | $23,024 | 2025-12 |
| North Point Village Recreation and Parks Council | 501(c)(3) | 2015 | $60,233 | $61,123 | 2024-12 |
| Beat the Streets Baltimore | 501(c)(3) | 2019 | $56,126 | $19,206 | 2023-12 |
| Clifton Pleasure Club Inc | 501(c)(7) | 2023 | $51,017 | $6,798 | 2025-12 |
| Gray-Charles Recreation Council | 501(c)(3) | 2016 | $47,230 | $32,092 | 2025-06 |
| Crossover Basketball and Scholars Academy | 501(c)(3) | 2011 | $39,481 | $104 | 2024-12 |
| Cloverdale Ac Bba | 501(c)(3) | 2021 | $38,443 | $9,819 | 2025-12 |
| Christian Youth Athletics | 501(c)(3) | 2016 | $31,141 | $855 | 2025-06 |
| Maryland Lacrosse Club II Inc | 501(c)(3) | 2002 | $27,213 | $7,783 | 2025-07 |
| Michael Veader Foundation Inc | 501(c)(3) | 2018 | $21,333 | $1 | 2025-12 |
| New Inverness Sportsman Club | 501(c)(7) | 2019 | $16,375 | $7,184 | 2025-12 |
| Baltimore Cricket & Social Club | 501(c)(3) | 2024 | $6,806 | $6,068 | 2025-12 |
| Cade Armory Preservation Society Incorporated | 501(c)(3) | 2025 | $3,805 | $3,805 | 2025-12 |
| 13thgirl Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| 5 Star Softball Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Acacia Club of Dundalk Inc | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| Baltimore Alkido Inc | 501(c)(3) | 2014 | | $28,438 | 2025-12 |
| Baltimore Blaugrana | 501(c)(3) | 2025 | $0 | $0 | 2025-04 |
| Baltimore City Swim Club Parentassociation Team | 501(c)(3) | 2015 | $0 | $0 | 2023-10 |
| Baltimore County Skateboard Council Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Baltimore Flamingos Rugby Football Club | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Birds of Prey Ravens Nest No 36 Ofelmwood MD Inc | 501(c)(4) | 2014 | $0 | $0 | 2025-12 |
| Birds of Prey-Chamber of Baltimore Ravens Nests Inc | 501(c)(7) | 2002 | $0 | $0 | 2025-12 |
| Blax Lax Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Bright Future Foundation LLC | 501(c)(3) | 2023 | $0 | $0 | 2025-10 |
| Camp Ma-He-Tu Endowment Fund Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Camp Mike Mike Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Charm City Chess Club | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Charm City Track and Field Council Inc | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Charm City Volleyball Foundation Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Chesapeake Bay Grand Banks Owners Association | 501(c)(7) | 2009 | $0 | $0 | 2025-12 |
| City Kitty Crits Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Coldspring Lane Nitehawks | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Count Program Foundation Inc | 501(c)(3) | 1996 | | $1.5 million | 2025-06 |
| Darkon War Gaming Club Inc | 501(c)(7) | 2008 | $0 | $0 | 2025-12 |
| Donnacize Inc | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Ducky Pleasure Club Inc | 501(c)(7) | 2015 | $0 | $0 | 2025-12 |
| Elite Youth Sports Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Forest Park Neighborhood Football | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Frederick Sporting Club Inc | 501(c)(3) | 2026 | | | |
| Friends of Carroll Park Inc | 501(c)(3) | 2005 | $0 | $0 | 2026-06 |
| Friends of Collington Square Park Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Friends of Kirby Lane Park LTD | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Friends of Northwest Park Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Friends of Pimlico Park Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Fullerton Fireworks Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Greenspace Violetville Inc Dba Friends of Violetville Park | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Gunpowder Valley Motorcycle Club Inc | 501(c)(7) | 2019 | $0 | $0 | 2025-12 |
| Hillside Park Inc | 501(c)(3) | 2025 | | | |
| Jamaica Lacrosse Association | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Jimmy S Great Adventure Corporation | 501(c)(3) | 2025 | | | |
| Kreative Influence Inc | 501(c)(3) | 2025 | $0 | $0 | 2021-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-09 |
| Marc Boyd Legacy Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Maryland Rec Sports Inc | 501(c)(3) | 2026 | | | |
| Mending Threads Mending Hearts Inc | 501(c)(3) | 2026 | | | |
| Mid-Atlantic Uniform League Inc | 501(c)(7) | 2010 | $0 | $0 | 2025-12 |
| Missouri Scholastic Lacrosse Association | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| National Interscholastic Lacrosse Coaches Association | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| North Baltimore Wrestling Club Inc | 501(c)(3) | 2005 | $0 | $0 | 2026-05 |
| Original Gangsters Runners Inc | 501(c)(3) | 2025 | | | |
| Poplar Hill Parks Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Power Move Basketball Academy Incorporated | 501(c)(3) | 2025 | | | |
| Power Play Athletics Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ravens Roost 73 | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| Ravens Roost 97 | 501(c)(7) | 2013 | $0 | $0 | 2025-06 |
| Red Rover Movement Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rjy Chick Webb Council | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Robert J Astheimer Memorial Foundation Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Saber Nation Fencing Foundation | 501(c)(3) | 2026 | | | |
| Seta Inc | 501(c)(7) | 2022 | $0 | $0 | 2023-12 |
| Skatepark of Baltimore Inc | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Sobo Volleyball | 501(c)(3) | 2025 | $0 | $0 | 2025-03 |
| South Baltimore Youth Soccer League Inc | 501(c)(3) | 2026 | | | |
| South Harbor Renaissance Inc | 501(c)(3) | 2024 | $0 | $47,702 | 2025-06 |
| Steel Gun Club Inc | 501(c)(4) | 2015 | $0 | $0 | 2024-12 |
| Stoney Creek 25 Hunt Club | 501(c)(7) | 2020 | $0 | $0 | 2026-06 |
| Sunday Baseball League Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Team BBC | 501(c)(7) | 2019 | $0 | $0 | 2025-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 |
| Towson Rugby Alumni Association Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| United Sports Unlimited | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Unmatched Athlete Corporation | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Youth Development Soccer League Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-03 |