| Covenant Christian School | 501(c)(3) | 1995 | $10.1 million | $13.4 million | 2025-05 |
| Oak Ridge High School Sports Booster Club | 501(c)(3) | 2025 | $843,892 | $541,288 | 2025-06 |
| Oak Ridge High School Band Booster Association | 501(c)(3) | 1997 | $636,624 | $98,190 | 2026-05 |
| Gulf Coast Conference | 501(c)(3) | 2016 | $569,010 | $431,713 | 2025-01 |
| Conroe Isd Education Foundation | 501(c)(3) | 2002 | $458,277 | $1.4 million | 2025-06 |
| Education for Tomorrow Alliance | 501(c)(3) | 1995 | $376,572 | $457,640 | 2025-08 |
| Texas Youth Foundation | 501(c)(3) | 2023 | $342,841 | $175,360 | 2025-12 |
| Conroe High School Band Boosters | 501(c)(3) | 2003 | $322,404 | $178,135 | 2025-05 |
| Cisd Educational Support Group Inc | 501(c)(3) | 2007 | $293,110 | $227,120 | 2025-05 |
| Texas Association of Supervisors of Mathematics | 501(c)(3) | 2014 | $276,486 | $264,173 | 2025-12 |
| TWCP Reveliers Booster Club Inc | 501(c)(3) | 2005 | $244,640 | $84,370 | 2025-05 |
| Woodlands High School Cheerleaders Parents Club | 501(c)(3) | 2007 | $173,670 | $117,560 | 2025-05 |
| Cougar Cookers | 501(c)(3) | 2001 | $161,451 | $297,929 | 2025-12 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $153,596 | $64,076 | 2025-05 |
| Conroe Art League Inc | 501(c)(3) | 1997 | $151,589 | $128,812 | 2026-04 |
| Conroe Golden Girls Booster Club | 501(c)(3) | 2010 | $136,963 | $44,859 | 2025-06 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $130,819 | $35,926 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | | $112,442 | $55,669 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $104,743 | $88,893 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $93,222 | $156,213 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $77,834 | $7,490 | 2025-05 |
| Community Preparatory Academy | 501(c)(3) | 2023 | $77,512 | $24,898 | 2025-08 |
| Lake Creek Academy Fund for Learning | 501(c)(3) | 2024 | $75,982 | $43,592 | 2025-12 |
| Friends of Jsac | 501(c)(3) | 2003 | $75,059 | $64,975 | 2026-06 |
| Wings Ministries Freedom Through Transformation | 501(c)(3) | 2017 | $73,350 | $103,485 | 2025-12 |
| All Points North Model Railroad Association Incorporated | 501(c)(3) | 2021 | $72,376 | $163,219 | 2025-12 |
| Woodlands Chinese School | 501(c)(3) | 2006 | $71,574 | $40,096 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $70,656 | $52,051 | 2025-05 |
| Texas Star Party Inc | 501(c)(3) | 2001 | $70,549 | $108,195 | 2025-12 |
| Spending Money On Kids & Education | 501(c)(3) | 2024 | $69,582 | $37,530 | 2025-06 |
| Futures Fulfilled Inc | 501(c)(3) | 2023 | $69,242 | $8,487 | 2025-12 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $63,395 | $60,697 | 2024-05 |
| I-Scholar Initiative Isi | 501(c)(3) | 2020 | $63,283 | $128,692 | 2026-01 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $59,762 | $28,133 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $53,402 | $11,159 | 2026-05 |
| W Robert Eissler Parent Teacher Organization | 501(c)(3) | 2025 | $53,042 | $25,373 | 2026-05 |
| North Montgomery County Support Group | 501(c)(3) | 2024 | $44,078 | $20,134 | 2024-12 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $43,146 | $8,958 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $32,077 | $46,416 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $27,975 | $3,331 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $17,338 | $12,523 | 2024-05 |
| Houser Elementary Pto | 501(c)(3) | 2001 | $15,930 | $13,409 | 2025-06 |
| Texas Lyme Disease Association | 501(c)(3) | 2004 | $19 | $13,191 | 2025-12 |
| A2a Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| African Christian Academy & School System - Afcass | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Believe the Children Inc | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Brandon and Nicole Nixon Foundation | 501(c)(3) | 2021 | | $1 | 2025-12 |
| Brave for Good | 501(c)(3) | 2025 | | | |
| Buildingxperience Institute | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Burch Learning & Literacy Foundatio N | 501(c)(3) | 2026 | | | |
| CCHS Aquatics Booster Club | 501(c)(3) | 2024 | $0 | $0 | 2025-05 |
| CHS Alumni Association Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| CHS Aquatics Booster Club | 501(c)(3) | 2024 | $0 | $0 | 2026-05 |
| Calfee Middle School Pto | 501(c)(3) | 2025 | $0 | $0 | 2025-07 |
| Castleschouldt Pto | 501(c)(3) | 2026 | $0 | $0 | 2026-07 |
| Ceo Outreach Program Foundation | 501(c)(3) | 2026 | | | |
| Cisd Educationa Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | | | |
| Cisd Educational Support Groups Inc | 501(c)(3) | | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2024-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | | | |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2024-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2023-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2023-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | | | |
| Cisd Educational Support Groups Inc | 501(c)(3) | 1907 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 1907 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 1907 | $0 | $0 | 2025-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 1907 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Cisd Educational Support Groups Inc | 501(c)(3) | 2007 | | | |
| Coach2u Services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Conroe Compass Homeschool Organization | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Conroe Concerned Citizens | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Conroe New Car and Truck Dealers Association | 501(c)(3) | 2014 | $0 | $0 | 2024-09 |
| Council for Academic and Interpersonal Skills Initiative | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Dancing Dolls Booster Club | 501(c)(3) | 2026 | $0 | $0 | 2026-05 |
| Elite Educational Institute | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Experience Careers Institute | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fowler Intermediate Pto | 501(c)(3) | 2026 | | | |
| Friedtech Foundation Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Gametime Cookers | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Get Foundation Inc | 501(c)(3) | 2021 | | $1 | 2025-12 |
| Grove Community School Parent Teacher Organization | 501(c)(3) | 2023 | $0 | $0 | 2023-06 |
| Hard Hats & Hearts Foundation | 501(c)(3) | 2026 | | | |
| Homewood Christian Association | 501(c)(7) | 2010 | $0 | $0 | 2025-07 |
| Igy6 Family Foundation | 501(c)(3) | 2025 | | $1 | 2025-12 |
| Institute of Technology Engineering & Applied Management | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Junior Bible Quiz Xcelerator | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Karen A Sumrall Cameron Memorial Foundation | 501(c)(3) | 2024 | | $13,292 | 2024-12 |
| Lake Creek Academy Center for Cogni Tive & Learning Development | 501(c)(3) | 2026 | | | |
| Lambda Nu Gamma Fraternity Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Lambda Omega Epsilon Sorority Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-10 |
| Leadership & Academic Development Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Libertas Foundation | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Majestikats Booster Club | 501(c)(3) | 2026 | | | |
| Montgomery County Fair Foundation Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Montgomery County Veterinary Medical Association | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Norvelle Memorial Scholarship Found Ation | 501(c)(3) | 2026 | | | |
| Novara Global Foundation | 501(c)(3) | 2026 | | | |
| Oak Ridge Cheer Booster | 501(c)(3) | 2007 | $0 | $0 | 2026-05 |
| Orhs Orchestra Booster Club | 501(c)(3) | 2004 | $0 | $0 | 2025-08 |
| Parents of the Academy for Careers in Engineering and Science | 501(c)(3) | 2025 | $0 | $0 | 2026-05 |
| RWM Family Foundation | 501(c)(3) | 2023 | | $1 | 2025-12 |
| Rush 4 Hometowns | 501(c)(3) | 2025 | | $1 | 2025-12 |
| SGL Foundation | 501(c)(3) | 2018 | | $903,390 | 2025-12 |
| Sam Houston Construction Association Foundation | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Sandstone Community Outreach Program Inc | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Shauntavia Nechelle Horlbeck Memori Al Foundation | 501(c)(3) | 2026 | | | |
| Shepherds House Academy | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Society for the Advancement of Fili Pino Educators Texas | 501(c)(3) | 2026 | | | |
| Sondag Family Foundation | 501(c)(3) | 2023 | | $1 | 2025-12 |
| Space of Love Health | 501(c)(3) | 2022 | | $1 | 2025-12 |
| TRL Affordable Living Initiative | 501(c)(3) | 2026 | | | |
| Taptae Inc | 501(c)(3) | 1999 | $0 | $0 | 2023-12 |
| The Sanders Community Foundation | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Vedic Society | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Voyager Council Conroe | 501(c)(3) | 2024 | | $103,069 | 2025-12 |
| Voyager Fine Arts Boosters | 501(c)(3) | 2026 | | | |
| Women in Aviation International | 501(c)(3) | 2003 | $0 | $0 | 2025-09 |
| Woodlands Ballers | 501(c)(3) | 2024 | | | |
| Lagway Elementary Pto | 501(c)(3) | 2021 | $-45,982 | $21,903 | 2025-07 |