Data / Nonprofits / Tennessee / Oak Ridge
Nonprofits in Oak Ridge, TN: 254 registered with the IRS
254 nonprofits are registered with the IRS in Oak Ridge, TN, 192 of them 501(c)(3) charities; the 89 that report revenue took in $237.8 million. The largest by revenue: Oak Ridge Associated Universities Inc ($118.3 million), Emory Valley Center Inc ($23.8 million), Ridgeview Psychiatric Hospital and and Center Inc ($23.6 million). Most common causes: education (26), religion-related (17), human services (16).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Oak Ridge Associated Universities Inc | 501(c)(3) | 1948 | $118.3 million | $43.6 million | 2025-09 | |
| Emory Valley Center Inc | Human services | 501(c)(3) | 1970 | $23.8 million | $19.4 million | 2025-06 |
| Ridgeview Psychiatric Hospital and and Center Inc | Mental health and crisis intervention | 501(c)(3) | 2013 | $23.6 million | $29.9 million | 2025-06 |
| Ut-Battelle Development Corporation | Science and technology | 501(c)(3) | 2003 | $15.7 million | $61.2 million | 2025-09 |
| Contact Helpline Inc | Mental health and crisis intervention | 501(c)(3) | 2020 | $6.2 million | $4.4 million | 2024-12 |
| Free Medical Clinic of Oak Ridge Inc | Health care | 501(c)(3) | 2011 | $6 million | $4.7 million | 2025-12 |
| Orau Foundation | 501(c)(3) | 1981 | $4.9 million | $68.8 million | 2025-09 | |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1953 | $4.5 million | $13.4 million | 2025-12 | |
| United Way of Anderson County Inc | 501(c)(3) | 1971 | $4.2 million | $3.6 million | 2025-12 | |
| American Federation of Labor & Congress of Industrial Orgs | 501(c)(5) | 1956 | $2.5 million | $2 million | 2025-12 | |
| Aid To Distressed Families of Appalachian Counties Inc-Adfac Inc | Human services | 501(c)(3) | 1987 | $2.3 million | $2.2 million | 2025-12 |
| Oak Ridge Electrical Trades Apprenticeship Training Fund | 501(c)(3) | 2007 | $2 million | $5.7 million | 2025-12 | |
| Oak Ridge Country Club Inc | 501(c)(7) | 1953 | $1.9 million | $3.8 million | 2025-12 | |
| Hope of East Tennessee Inc | Mental health and crisis intervention | 501(c)(3) | 1977 | $1.8 million | $1.4 million | 2025-06 |
| Energy Technology and Environmental Business Association | 501(c)(6) | 1994 | $1.8 million | $1.4 million | 2025-12 | |
| American Museum of Science and Energy Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $1.5 million | $453,221 | 2023-12 |
| Out in Science Technology Engineering & Mathematics Incorpor | Education | 501(c)(3) | 2010 | $1.4 million | $1.2 million | 2024-06 |
| East Tennessee Economic Council Inc | Community improvement and capacity building | 501(c)(6) | 1998 | $950,607 | $395,226 | 2025-03 |
| Oak Ridge Sportsmens Association Inc | Recreation and sports | 501(c)(7) | 2022 | $837,475 | $2.6 million | 2024-12 |
| Girls Incorporated of Tennessee Valley | Youth development | 501(c)(3) | 1977 | $816,664 | $534,229 | 2025-12 |
| Oak Ridge Rowing Assocation Inc | 501(c)(3) | 1983 | $704,931 | $316,796 | 2024-07 | |
| Tennessee Out-Reach Center for Homeless | Human services | 501(c)(3) | 2015 | $640,966 | $664,859 | 2025-12 |
| Childrens Museum of Oak Ridge | Arts, culture and humanities | 501(c)(3) | 1976 | $621,059 | $1.7 million | 2025-12 |
| Choices Resource Center | Health care | 501(c)(3) | 1995 | $568,045 | $496,916 | 2025-12 |
| Boys and Girls Clubs of the Clinch Valley | Youth development | 501(c)(3) | 1969 | $518,226 | $1.5 million | 2025-12 |
| Oak Ridge Chamber of Commerce | 501(c)(6) | 1973 | $516,078 | $593,178 | 2024-12 | |
| International Guards Union of America | 501(c)(5) | 1954 | $455,085 | $941,507 | 2025-12 | |
| Oak Ridge Public Schools Education Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $448,410 | $6.9 million | 2025-12 |
| Oak Ridge Art Center | Arts, culture and humanities | 501(c)(3) | 1964 | $419,266 | $1.4 million | 2026-04 |
| Oak Ridge Community Playhouse | 501(c)(3) | 1959 | $417,003 | $899,395 | 2026-06 | |
| Y12 Fcu Gives Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $398,913 | $229,601 | 2025-12 |
| Tennsmart Consortium Inc | Community improvement and capacity building | 501(c)(6) | 2018 | $392,000 | $201,020 | 2024-12 |
| Sarg Shelter Animal Rescue Group | Animal-related | 501(c)(3) | 1998 | $381,548 | $586,978 | 2024-12 |
| Cooperative Agreement of Labor and Management | 501(c)(5) | 1992 | $367,359 | $941,037 | 2025-04 | |
| Orha Development Corporation | Housing and shelter | 501(c)(3) | 2018 | $324,827 | $370,119 | 2025-09 |
| United Brotherhood of Carpenters & Joiners of America 50 | 501(c)(5) | 1953 | $324,279 | $972,053 | 2025-06 | |
| Brysonns Closet | Human services | 501(c)(3) | 2017 | $318,496 | $61,601 | 2025-12 |
| Soccer Club of Oak Ridge Inc | Recreation and sports | 501(c)(3) | 2012 | $308,609 | $180,634 | 2026-06 |
| Casa of the Tennessee Heartland | Civil rights, social action and advocacy | 501(c)(3) | 1989 | $293,126 | $337,959 | 2025-06 |
| Oak Ridge Economic Partnership | Community improvement and capacity building | 501(c)(3) | 2002 | $262,500 | $190,291 | 2024-12 |
| United Food and Commercial Workers International Union | 501(c)(5) | 1941 | $249,714 | $517,958 | 2026-06 | |
| Oak Ridge Civic Music Assoc Inc | 501(c)(3) | 1961 | $207,832 | $600,041 | 2025-06 | |
| United Food and Commercial Workers 715C Intl Chemical Workers Union | Employment | 501(c)(5) | 2024 | $204,492 | $323,437 | 2026-06 |
| International Mammalian Genome Society Inc | Medical research | 501(c)(3) | 2000 | $177,598 | $369,571 | 2025-05 |
| Grow Oak Ridge LLC | Food, agriculture and nutrition | 501(c)(3) | 2019 | $173,957 | $95,015 | 2025-12 |
| Oak Ridge Cemetery Association | 501(c)(13) | 1970 | $165,657 | $2.7 million | 2025-12 | |
| Atomic City Aquatic Club | Recreation and sports | 501(c)(3) | 1970 | $165,400 | $133,366 | 2025-08 |
| Oak Ridge Breakfast Club Rotary Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $142,979 | $179,609 | 2024-12 |
| International Guards Union of America | 501(c)(5) | 1954 | $128,760 | $448,417 | 2025-12 | |
| Oak Ridge Lodge No 1316 Loyal Order of Moose | 501(c)(8) | 1935 | $127,370 | $341,698 | 2025-04 | |
| J A I Sachchidanand Inc | 501(c)(3) | 1985 | $123,466 | $1.9 million | 2025-12 | |
| Tennessee Citizens for Wilderness Planning | 501(c)(3) | 1969 | $119,795 | $713,742 | 2025-12 | |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1962 | $119,029 | $387,464 | 2025-12 | |
| International Guards Union of America | 501(c)(5) | 1960 | $109,696 | $136,916 | 2025-12 | |
| Oak Ridge Heritage & Preservation | Arts, culture and humanities | 501(c)(3) | 2000 | $105,343 | $279,467 | 2025-12 |
| Community Mediation Services | Crime and legal-related | 501(c)(3) | 1987 | $102,342 | $65,362 | 2025-06 |
| Crossroads Ministry Incorporated | Human services | 501(c)(3) | 2006 | $102,274 | $235,950 | 2025-12 |
| Wildcat Football Boosters Club | Youth development | 501(c)(3) | 2004 | $100,906 | $27,811 | 2026-01 |
| Oak Ridge Environmental Peace Alliance | Environment | 501(c)(3) | 2000 | $98,006 | $104,185 | 2025-06 |
| Southern Appalachia Railway Museum | Arts, culture and humanities | 501(c)(3) | 1991 | $94,509 | $318,891 | 2025-12 |
| Oak Ridge Institute for Continued Learning Inc | Education | 501(c)(3) | 1999 | $88,943 | $233,687 | 2025-07 |
| Briarcliff Community Club Inc | 501(c)(7) | 1982 | $78,958 | $146,988 | 2025-11 | |
| Altrusa International Foundation Inc | Education | 501(c)(3) | 1985 | $77,820 | $161,374 | 2026-05 |
| International Association of Fire Fighters | Employment | 501(c)(5) | 1959 | $75,457 | $164,113 | 2025-06 |
| Leadership Oak Ridge Incorporated | Education | 501(c)(3) | 1991 | $71,432 | $45,526 | 2024-12 |
| Fraternal Order of Eagles Aerie | 501(c)(8) | 1991 | $66,386 | $700,612 | 2020-05 | |
| Oak Ridge Civic Ballet Assoc | 501(c)(3) | 1965 | $65,964 | $53,668 | 2025-06 | |
| You Are Linked To Resources | Mental health and crisis intervention | 501(c)(3) | 2017 | $65,000 | $1,279 | 2023-12 |
| Ecumenical Storehouse Inc | 501(c)(3) | 1994 | $62,842 | $160,583 | 2025-12 | |
| American Chemical Society | Science and technology | 501(c)(3) | 1967 | $62,585 | $266,856 | 2025-12 |
| Friends of Oak Ridge Animal Shelter | Animal-related | 501(c)(3) | 2015 | $58,321 | $24,542 | 2025-08 |
| Tennessee Labor Management Foundation | Education | 501(c)(3) | 2010 | $57,281 | $166,700 | 2025-12 |
| Oak Ridge Cross Country Booster Club | Education | 501(c)(3) | 2010 | $55,089 | $20,093 | 2025-06 |
| Rotary International | 501(c)(4) | 1942 | $53,960 | $124,816 | 2026-06 | |
| Ridgetop Apartments Inc | Housing and shelter | 501(c)(3) | 1996 | $50,210 | $260,008 | 2025-06 |
| Unitarian Universalist Christian Fellowship Inc | Religion-related | 501(c)(3) | 2020 | $46,412 | $371,713 | 2026-06 |
| Rotary International | 501(c)(4) | 1958 | $41,790 | $45,531 | 2025-06 | |
| Amvets | 501(c)(19) | 1967 | $41,478 | $137,741 | 2025-12 | |
| Blueridge Apartments Inc | Housing and shelter | 501(c)(3) | 1997 | $35,250 | $261,357 | 2025-06 |
| Holistic Science Charitable Research Foundation Inc | Health care | 501(c)(3) | 2014 | $35,077 | $780,154 | 2025-06 |
| Oak Ridge Boys Club Alumni Association Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $31,780 | $126,016 | 2024-12 |
| Oak Ridge Rotary Community Fund | Community improvement and capacity building | 501(c)(3) | 2006 | $27,484 | $16,305 | 2026-06 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $25,284 | $82,992 | 2026-03 | |
| Oak Ridge Land Bank Inc | Community improvement and capacity building | 501(c)(3) | 2014 | $24,103 | $2.4 million | 2026-06 |
| Oak Ridge High School Band Boosters | Education | 501(c)(3) | 2011 | $19,899 | $33,089 | 2026-04 |
| Oak Ridge Wind Ensemble Oak Ridge Community Band Inc | 501(c)(3) | 1980 | $18,051 | $37,642 | 2025-12 | |
| Pull for Our Veterans Inc | Human services | 501(c)(3) | 2015 | $14,514 | $349 | 2025-12 |
| Blankenship Field Revitalization Foundation Inc | Education | 501(c)(3) | 2015 | $101 | $418,466 | 2024-12 |
| Friends of the Anderson County Drug Court | Crime and legal-related | 501(c)(3) | 2008 | $2 | $19,841 | 2024-12 |
| Adaptive Recreation Cooperative | Health care | 501(c)(3) | 2026 | |||
| Advocates for the Oak Ridge Reservation | Environment | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Altrusa International Inc | 501(c)(4) | 1944 | $0 | $0 | 2025-06 | |
| American Association of University Women | 501(c)(4) | 2010 | $0 | $0 | 2025-06 | |
| American Industrial Hygiene Association | 501(c)(6) | 1983 | $0 | $0 | 2025-12 | |
| American Iris Society | Food, agriculture and nutrition | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| American Potus | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| American Sewing Guild Inc | 501(c)(3) | |||||
| Amvets | 501(c)(19) | 1945 | $0 | $0 | 2025-08 | |
| Annas Gate | Employment | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Atomic City Sportsmen | 501(c)(3) | 1993 | $0 | $0 | 2024-12 | |
| BMW Car Club of America Inc | 501(c)(7) | 2007 | $0 | $0 | 2025-12 | |
| Banah Inn | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Bechtel Employees Club of East Tennessee | 501(c)(4) | 1983 | $0 | $0 | 2025-12 | |
| Bible Way Full Gospel Church | Religion-related | 501(c)(3) | 2008 | |||
| Blacks in Government | 501(c)(3) | 1981 | $0 | $0 | 2025-12 | |
| Blessings On High Ministries | Religion-related | 501(c)(3) | 2018 | |||
| Bricks To Beams Tennessee | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Calvary Baptist Church Inc | Religion-related | 501(c)(3) | 2010 | |||
| Cancer Support Alliance | Human services | 501(c)(3) | 2026 | |||
| Christ Community Church | Religion-related | 501(c)(3) | 1998 | |||
| Christian Life Fellowship | 501(c)(3) | 1991 | ||||
| Claytons Lesson | Mental health and crisis intervention | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Clinton Youth Basketball League | Recreation and sports | 501(c)(3) | 2024 | |||
| Coalition of Oak Ridge Retired Employees | Employment | 501(c)(5) | 2023 | $0 | $0 | 2025-12 |
| Community Church of Oak Ridge | 501(c)(3) | 1951 | ||||
| Covenant Presbyterian Church | 501(c)(3) | 1974 | ||||
| Cryptic Masons of Tennessee | 501(c)(10) | 1972 | $0 | $0 | 2026-03 | |
| Cultured Pearls of the Secrety City | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Cumberland View Fellowship | 501(c)(3) | 1975 | ||||
| Delta Kappa Gamma Society International | 501(c)(6) | 1965 | $0 | $0 | 2026-06 | |
| Deltas of Oak Ridge | Education | 501(c)(3) | 2002 | $0 | $0 | 2025-06 |
| Dreams of Oak Ridge Students | Education | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| East TN Futbol Club | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| East Tennessee Friends of Animals | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-08 |
| East Tennessee Grotto | Environment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| East Tennessee Regional Council of Fire Chiefs | Public safety, disaster preparedness and relief | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Emory Valley Center Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $0 | $0 | 2025-06 |
| Faith Lutheran Church | 501(c)(3) | 1941 | 2012-12 | |||
| First Christian Church | 501(c)(3) | 1951 | ||||
| First United Methodist Church | 501(c)(3) | |||||
| Floyds House Inc | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Foster Faith Childcare | Human services | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2026-05 | |
| Fraternal Order of Eagles | Mutual and membership benefit | 501(c)(8) | 1991 | $0 | $0 | 2026-05 |
| Fraternal Order of Police | 501(c)(8) | 1952 | $0 | $0 | 2025-12 | |
| Free & Accepted Masons of Tennessee | 501(c)(10) | 1972 | $0 | $0 | 2025-12 | |
| Free & Accepted Masons of Tennessee | 501(c)(10) | 1972 | $0 | $0 | 2025-12 | |
| Freedom Hope Ministries | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2022-12 |
| Friends of O R N L | Religion-related | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Friends of the Grove Theatre Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Oak Ridge Public Library | 501(c)(3) | 1966 | $0 | $0 | 2025-12 | |
| Hamilton Place Inc | Housing and shelter | 501(c)(3) | 1996 | $0 | $0 | 2025-06 |
| Hands & Feet Pet Advocates | Animal-related | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Heavenly Treasure | Human services | 501(c)(3) | 2011 | $805,823 | 2024-12 | |
| Holiday Bureau Inc | Human services | 501(c)(3) | 1972 | $0 | $0 | 2026-03 |
| House of Worship | 501(c)(3) | 1965 | ||||
| Houses of Worship International Christian Partnership | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Ibew 270 Building Corporation | 501(c)(5) | 1981 | $0 | $0 | 2025-12 | |
| International Association of Fire Fighters | 501(c)(5) | 1959 | $0 | $0 | 2024-12 | |
| International Nuclear Target Development Society | Science and technology | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| International Union of Painters and Allied Trades | 501(c)(5) | 1941 | $0 | $0 | 2025-12 | |
| Jefferson Middle School Parent- Teacher Organization | Education | 501(c)(3) | 1999 | $0 | $0 | 2024-12 |
| Jewish Congregation of Oak Ridge | 501(c)(3) | 1972 | ||||
| Keep Anderson County Beautiful | Environment | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Knights Templar of the United States of America | 501(c)(10) | 1972 | $0 | $0 | 2026-06 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knoxville Pipe Band Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Krazy for K9S Rescue | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| La Leche League International Inc | 501(c)(3) | 1979 | $0 | $0 | 2026-03 | |
| Lady Ram Basketball Boosters | Recreation and sports | 501(c)(3) | 2026 | |||
| League of Women Voters of Tennessee | 501(c)(4) | 1965 | $0 | $0 | 2026-06 | |
| Legacy Family Church | Religion-related | 501(c)(3) | 2016 | |||
| Lifehouse Church Assembly of God | 501(c)(3) | 1964 | ||||
| Linden Elementary Parent-Teacher Organization | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| Lions Club of Harriman Tennessee | Community improvement and capacity building | 501(c)(4) | 2016 | $0 | $0 | 2026-06 |
| Lost & Found Fellowship | 501(c)(3) | 2025 | $0 | $0 | 2025-12 | |
| Mansfield Ministries Incorporated | Religion-related | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Mary Waterhouse Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $879,779 | 2024-12 | |
| Men of Tomorrow Foundation | Youth development | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Ministerio Casa de El Rey Jesus Inc | Religion-related | 501(c)(3) | 2023 | |||
| Mission Milspouse Inc | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Music Arts Inc | Arts, culture and humanities | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| National Association for the Advancement of Colored People | 501(c)(4) | 1961 | ||||
| National Black Poet Laureates Society | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Natural Gas Distributors Association of East Tennessee | Community improvement and capacity building | 501(c)(6) | 2016 | $0 | $0 | 2025-12 |
| New Deliverance | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| New Life Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Oak Ridge Amateur Radio Club Inc | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Oak Ridge Area Lodge Number 19 Fraternal Order of Police | Mutual and membership benefit | 501(c)(8) | 2024 | $0 | $0 | 2025-12 |
| Oak Ridge Baseball Boosters | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Oak Ridge Bible Church | 501(c)(3) | 1966 | ||||
| Oak Ridge Boys Soccer Cats Booster Club | Education | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Oak Ridge Chapter | 501(c)(4) | 1973 | $0 | $0 | 2024-09 | |
| Oak Ridge Computer Science Girls | Youth development | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Oak Ridge Education Association | 501(c)(6) | 1974 | $0 | $0 | 2025-06 | |
| Oak Ridge Graduation Celebration Community Foundation | Education | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Oak Ridge High School Orchestra Booster Club | Education | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Oak Ridge High School Parent Teacher Student Organization | Education | 501(c)(3) | 2004 | $0 | $0 | 2026-06 |
| Oak Ridge Knoxville Section of the America Nuclear Society Inc | Education | 501(c)(3) | 1994 | $0 | $0 | 2025-06 |
| Oak Ridge Rotary Sunset Community Fund | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-07 |
| Oak Ridge Sports Hall of Fame | Recreation and sports | 501(c)(3) | 2021 | $0 | $0 | 2026-07 |
| Oak Ridgers for Responsible Development | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Oakridge Chapter 1062 Women of the Moose | 501(c)(8) | 1935 | $0 | $0 | 2025-04 | |
| Omega Psi Phi Franternity | 501(c)(7) | 1953 | $0 | $0 | 2024-12 | |
| Order of the Amaranth Inc | 501(c)(8) | 1972 | $0 | $0 | 2026-06 | |
| Orhs Maquers Booster Club | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Orhs Matcat Wrestling Booster | Recreation and sports | 501(c)(3) | 2026 | |||
| Pflag Oak Ridge | 501(c)(3) | 1994 | $0 | $0 | 2025-09 | |
| Pilot Club of Oak Ridge | 501(c)(3) | 2015 | $0 | $0 | 2025-06 | |
| Power of Play - Rocky Top | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Project Management Institute | 501(c)(6) | 2001 | $0 | $0 | 2025-12 | |
| Pta Tennessee Congress of Parents & Teachers Inc | 501(c)(3) | 1980 | $0 | $0 | 2025-06 | |
| Reformed Online Outreach Ministries Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Resting Place Church | Religion-related | 501(c)(3) | 2018 | |||
| Ridge Community Church | 501(c)(3) | 1969 | ||||
| Ridgepoint Church | Religion-related | 501(c)(3) | 2010 | |||
| River of Life at Oak Ridge | Religion-related | 501(c)(3) | 2010 | |||
| Roane County Homeschool Cooperative | Education | 501(c)(3) | 2026 | |||
| Roll As You Are Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Rotary Club of Oak Ridge Sunset | Community improvement and capacity building | 501(c)(4) | 2022 | $0 | $0 | 2026-06 |
| Royal Arch Masons of Tennessee | 501(c)(10) | 1972 | $0 | $0 | 2026-03 | |
| Samuel B Hoskins Foundation | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Scarboro 85 Monument Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Secret City Christian Homeschoolers | Education | 501(c)(3) | 2022 | $0 | $0 | 2026-07 |
| Senior Citizens Awareness Committee | Human services | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Serenity Club of Oak Ridge Inc | 501(c)(3) | 1987 | $0 | $0 | 2025-12 | |
| So-Kno Robo Collaborative | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Southern Appalachian Nature Photographers | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Southern Off RD Bicycle Association | Recreation and sports | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| St Anne Orthodox Church | 501(c)(3) | 1972 | ||||
| Sundress Publications | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-05 |
| Swing Time | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Tennessee Credit Union League Inc | 501(c)(6) | 1940 | ||||
| Tennessee Mountain Writers Inc | Education | 501(c)(3) | 1997 | $0 | $0 | 2025-06 |
| Tennessee Order of the Eastern Star | Mutual and membership benefit | 501(c)(8) | 2010 | $0 | $0 | 2026-03 |
| Tennessee Overdose Prevention | Mental health and crisis intervention | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Tennessee Society of Post Anesthesia Nurses | Health care | 501(c)(3) | 2014 | $0 | $0 | 2025-10 |
| Tennessee Valley Interstellar Workshop | Public and societal benefit | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Tennessee Valley Stellar Corporation | Science and technology | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| The Arc Anderson County | 501(c)(3) | 1974 | $0 | $0 | 2025-12 | |
| The Excelsior Grand CPTR of the Order of the Eastern Star for the | Mutual and membership benefit | 501(c)(10) | 2019 | $0 | $129,053 | 2025-06 |
| The Forward March Initiative | Public and societal benefit | 501(c)(3) | 2026 | |||
| The Oak Ridge Humane Society Inc | Animal-related | 501(c)(3) | 1976 | $0 | $0 | 2025-03 |
| Tiffin Home Development Inc | 501(c)(3) | 1994 | $0 | $0 | 2025-06 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | Arts, culture and humanities | 501(c)(3) | 1945 | $0 | $0 | 2025-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Together Podemos | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-09 |
| Ukrainian Families Support Fund | Human services | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Ulster Project of East Tennessee | Civil rights, social action and advocacy | 501(c)(3) | 1987 | $0 | $0 | 2025-09 |
| United Church Chapel On the Hill | 501(c)(3) | 1973 | ||||
| United States Bowling Congress Inc | Recreation and sports | 501(c)(3) | 2004 | $0 | $0 | 2025-07 |
| United States Power Squadrons | 501(c)(3) | 1949 | $0 | $0 | 2026-02 | |
| Universal Black History Education Initiative | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2023-04 |
| University of Tennessee Arboretum Society | Environment | 501(c)(3) | 1966 | $0 | $0 | 2025-12 |
| Veterans of Foreign Wars of the United States Dept of Tennessee | 501(c)(19) | 1964 | $0 | $0 | 2025-12 | |
| Volunteer State War Era Veterans Memoiral Hall of Honor and Honor G | 501(c)(19) | 1988 | $0 | $0 | 2025-12 | |
| Weaver Consulting | Employment | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Wildcat Basketball Boosters | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2026-06 |
| Wildcats Softball Booster Club | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2026-05 |
| Willow Brook Parent Teacher Organization | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Women S Recovery Leadership Foundation Inc | Public and societal benefit | 501(c)(3) | 2025 | |||
| Woodland Elementary Parent Teachers Organization | Education | 501(c)(3) | 1998 | $0 | $0 | 2025-07 |
| Xanders Place | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
By cause in Oak Ridge, TN
- Education 26
- Religion-related 17
- Human services 16
- Arts, culture and humanities 15
- Recreation and sports 13
- Community improvement and capacity building 9
- Philanthropy, voluntarism and grantmaking foundations 9
- Youth development 7
- Animal-related 6
- Mental health and crisis intervention 6
- Environment 5
- Health care 5
- Employment 5
- Mutual and membership benefit 4
- Public and societal benefit 4
- Science and technology 4
- Housing and shelter 4
Nonprofits in every city of the state
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.