| Lakeshore Park Conservancy | 501(c)(3) | 1996 | $6.4 million | $17.1 million | 2025-06 |
| Legacy Parks Foundation | 501(c)(3) | 2006 | $6 million | $6.9 million | 2025-12 |
| Womens Basketball Hall of Fame Inc | 501(c)(3) | 1992 | $2.2 million | $5.7 million | 2024-12 |
| Tennessee Aquatics Inc | 501(c)(3) | 1995 | $1.5 million | $526,450 | 2025-08 |
| The First Tee of Greater Knoxville | 501(c)(3) | 2001 | $1.1 million | $4 million | 2024-12 |
| Volunteer Legacy Inc | 501(c)(3) | 2022 | $1 million | $219,536 | 2025-06 |
| Road Runners Club of America | 501(c)(3) | 1976 | $923,633 | $511,469 | 2023-12 |
| Knox Youth Sports Inc | 501(c)(3) | 1987 | $763,176 | $683,932 | 2025-06 |
| Epsilon Eta Chapter of Sigma Nu Fraternity | 501(c)(7) | 2019 | $723,286 | $17,306 | 2025-12 |
| Tristar Rowing | 501(c)(3) | 2019 | $438,564 | $173,217 | 2025-05 |
| The Cedar Bluff Farragut Optimist Youth Activities Organization Inc | 501(c)(3) | 1997 | $360,338 | $255,137 | 2025-09 |
| Farragut Baseball Inc | 501(c)(3) | 1996 | $331,967 | $2,517 | 2024-12 |
| Fountain City Recreation Commission Inc | 501(c)(3) | 2013 | $310,794 | $365,357 | 2025-12 |
| Fallen Vol Foundation Inc | 501(c)(3) | 2024 | $256,000 | $257,025 | 2025-12 |
| No Athlete Left Behind Foundation Inc | 501(c)(3) | 2022 | $237,161 | $17,156 | 2025-12 |
| Lake Erie Sports Alliance | 501(c)(3) | 2023 | $204,168 | $73,283 | 2024-12 |
| Halls Community Park Incorporated | 501(c)(3) | 2010 | $187,522 | $109,421 | 2025-12 |
| Bike Walk Tennessee | 501(c)(3) | 2011 | $174,667 | $201,463 | 2025-12 |
| Knoxville Football Club | 501(c)(3) | 2016 | $153,350 | $281,770 | 2024-12 |
| Athletes Table | 501(c)(3) | 2021 | $150,947 | $29,831 | 2024-12 |
| Knoxville Ultimate Club Inc | 501(c)(3) | 2025 | $138,637 | $27,033 | 2025-12 |
| Southern Off Road Bicycle Association | 501(c)(3) | 1901 | $136,593 | $179,109 | 2025-06 |
| Tennessee Valley Hunt Club | 501(c)(7) | 2010 | $126,130 | $57,342 | 2024-04 |
| Volunteer Rugby Foundation | 501(c)(3) | 2006 | $121,455 | $65,670 | 2025-12 |
| Road Runners Club of America | 501(c)(3) | 2014 | $121,135 | $59,855 | 2024-12 |
| Amateur Sports Alliance of North America | 501(c)(3) | 2025 | $119,312 | $68,043 | 2023-12 |
| Greater Knoxville Area Interclub Swimming Association Inc | 501(c)(3) | 2012 | $113,694 | $123,956 | 2025-12 |
| Halls Softball Commission | 501(c)(3) | 1999 | $101,427 | $4,572 | 2025-09 |
| Concord Sailing Center Inc | 501(c)(3) | 1997 | $99,090 | $101,223 | 2025-12 |
| Village Green Gators Swim Team | 501(c)(3) | 2009 | $88,052 | $49,510 | 2025-12 |
| Hardin Valley Youth Sports Inc | 501(c)(3) | 2010 | $86,265 | $21,526 | 2025-12 |
| East Tennessee Region Sports Car Club of America Inc | 501(c)(3) | 2014 | $85,733 | $104,884 | 2024-12 |
| Crestwood Hills Recreation Center | 501(c)(7) | 2025 | $82,861 | $130,104 | 2024-12 |
| Tennessee Gamma Alumni Land Company | 501(c)(7) | 2014 | $72,641 | $1.2 million | 2025-12 |
| Farragut High School Lady Admirals Soccer Booster Club Inc | 501(c)(3) | 2014 | $69,243 | $56,727 | 2025-12 |
| Hard Knox Roller Girls | 501(c)(3) | 2009 | $54,304 | $49,283 | 2025-12 |
| East Tennessee Corvette Club | 501(c)(4) | 2013 | $44,786 | $35,464 | 2024-12 |
| South Doyle High School Touchdown Club | 501(c)(3) | 2022 | $43,608 | $39,208 | 2025-12 |
| Rocky Hill Baseball | 501(c)(3) | 2012 | $32,020 | $44,759 | 2025-06 |
| Great Smoky Mountains Conservation Association | 501(c)(3) | 1925 | $19,577 | $772,726 | 2024-12 |
| Tennessee Lettermens T Club | 501(c)(7) | 1994 | $15,188 | $94,483 | 2025-12 |
| Monroe Life Balloon Festival | 501(c)(3) | 2018 | $1,723 | $1,723 | 2023-12 |
| Academy Youth Sports Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Adaptive Scuba Knoxville | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Adult Knoxville Hockey League | 501(c)(3) | 2025 | | | |
| Ambition Sports | 501(c)(3) | 2024 | | | |
| American Youth Football Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Appalachian Disc Golf Association | 501(c)(3) | 2024 | | | |
| Bearden Lady Bulldogs Basketball Booster Club | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Bearden Mac | 501(c)(3) | 2025 | | | |
| Big Orange Tipoff Club Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Bmaze Elite Inc | 501(c)(3) | 2026 | | | |
| Board Game Days | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| C & S Sports Assoc Dba Farragut Tribe | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Cak Youth Football | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Center City Youth Sports Program | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Clas Soccer | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Concord Stars | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Discin Disciples | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| East Tennessee Baseball District | 501(c)(3) | 2022 | $0 | $0 | 2025-11 |
| East Tennessee Elite Football Inc | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| East Tennessee Hunter Jumper Association | 501(c)(3) | 2025 | $0 | $0 | 2025-11 |
| East Tennessee Ice Sports Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| East Tennessee United Athletics | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| East Tennessee Youth Sports | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Esports Club at Utk | 501(c)(3) | 2019 | $0 | $0 | 2025-08 |
| Farragut High School Boys Soccer Booster Club | 501(c)(3) | 2016 | $0 | $0 | 2025-09 |
| Farragut Ladies Lacrosse Club | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Farragut Volleyball Booster Club | 501(c)(3) | 2022 | $0 | $0 | 2026-05 |
| Farragut Youth Lacrosse | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| Finding Joy in the Journey Foundation Inc | 501(c)(3) | 2022 | | $6.4 million | 2024-12 |
| Friends of Utk Crew Inc | 501(c)(3) | 2026 | | | |
| Getaway Days USA | 501(c)(3) | 2025 | | $1 | 2025-12 |
| Girls Golf of East Tennessee | 501(c)(3) | 2026 | | | |
| Great Smoky Mountains Curling Club | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Greater Blount Aquatics | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Gulfwood Gators Swim Team Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Halls High School Boys Basketball Booster Club | 501(c)(3) | 2025 | | | |
| Halls High Softball Booster Club | 501(c)(3) | 2019 | | $22,359 | 2026-06 |
| Hard Knox Hooligans | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| Hardin Valley Football Club | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Hardin Valley Lacrosse | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Ice Chalet Skating Club of Knoxville | 501(c)(3) | 2008 | $0 | $0 | 2024-06 |
| Kappa Alpha Psi Fraternity | 501(c)(7) | 2014 | $0 | $0 | 2025-09 |
| Karns Bass Fishing Team | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Karns Community Club Inc | 501(c)(3) | 1968 | $0 | $0 | 2025-12 |
| Karns High School Softball Booster Club | 501(c)(3) | 2023 | $0 | $0 | 2026-01 |
| Knoxville Badminton Club | 501(c)(3) | 2024 | | | |
| Knoxville Challenger Sports Inc | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Knoxville Fbi Recreation Association | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Knoxville Figure Skating Club | 501(c)(3) | 2004 | $0 | $26,682 | 2025-12 |
| Knoxville Football Officials Association Inc | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Knoxville Gaelic Athletic Club | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Knoxville Ice Bears Booster Club | 501(c)(3) | 2016 | $0 | $0 | 2026-04 |
| Knoxville Movement Collective | 501(c)(3) | 2025 | | | |
| Knoxville Racquet Education and Sup Port of Tennis | 501(c)(3) | 2026 | $0 | $0 | 2021-12 |
| Knoxville Rugby Club Inc | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Knoxville Stars Inc | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Knoxville Womens Rugby Club | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Knoxville Youth Ultimate | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Kvick Foundation | 501(c)(3) | 2023 | | $1 | 2024-12 |
| League of Silent Flight | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Marble City Water Polo | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Metro Knox Youth Sports Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| N2dust Shotgun Sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Net-7 Entertainment Inc | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Newbreed Youth Sports | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| No Chance Baseball Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Personal Best Kids | 501(c)(3) | 2026 | | | |
| Phi Delta Theta Fraternity Tennessee Gamma Chapter | 501(c)(7) | 2022 | $0 | $0 | 2023-12 |
| Pro One Select TN | 501(c)(3) | 2022 | | $2,133 | 2025-12 |
| Proud To Be in Baseball | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Rocky Top Lacrosse League | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Rocky Top Multisport | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Rocky Top Racing | 501(c)(3) | 2026 | | | |
| Rowing Experiences Advancing Cardiovascular Health | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Running Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sharks Pso | 501(c)(3) | 2025 | | | |
| Sigma Phi Epsilon- Va Beta Avc | 501(c)(7) | 2023 | $0 | $0 | 2026-06 |
| Smoky Mountain Athletic Club | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Smoky Mountain Dockdogs | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| South Doyle Youth Sports | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Southern Cycling Operations Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Suds 4 Students | 501(c)(3) | 2016 | $0 | $0 | 2024-10 |
| Summit Fastpitch TN | 501(c)(3) | 2025 | | | |
| T3am Tooki3 Basketball Family | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| TNC Cycling | 501(c)(3) | 2026 | | | |
| Tennessee Aces Basketball | 501(c)(3) | 2024 | | | |
| Tennessee Bicycle Racing Association Inc | 501(c)(4) | 2004 | $0 | $0 | 2023-12 |
| Tennessee Elite Athletics | 501(c)(3) | 2026 | | | |
| Tennessee Endurance Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Tennessee Impact | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Tennessee Select Inc | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Tennessee Valley Soccer Referee Association Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Tennessee Valley Volleyball Inc | 501(c)(3) | 2025 | | | |
| Tennessee Water Polo Officials Association | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| The108way | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| United State Pony Clubs Inc | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| University Club Swim Team | 501(c)(3) | 2024 | $0 | $0 | 2026-02 |
| Volunteers Hockey Foundation | 501(c)(3) | 2022 | | $19,377 | 2025-12 |
| Warriors Shooting Team | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| West Knox Warriors Lacrosse Club | 501(c)(3) | 2017 | $0 | $0 | 2025-05 |
| West Rebels Youth Sports | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| West Youth Baseball | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Whittington Creek Swim Team | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Worldwide Basketball Institute | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Yoco | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |