Data / Nonprofits / Missouri / Environment
Environment nonprofits in Missouri: 339 registered with the IRS
339 environment nonprofits are registered with the IRS in Missouri, 327 of them 501(c)(3) charities; the 103 that report revenue took in $172 million. The most are in Saint Louis (55), Kansas City (30), Columbia (16). The largest by revenue: Missouri Botanical Garden Board of Trustees ($61 million), Forest Park Forever Inc ($42.3 million), Missouri Conservation Heritage Foundation ($5.2 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Missouri Botanical Garden Board of Trustees | Saint Louis | 501(c)(3) | 1937 | $61 million | $414.1 million | 2025-09 |
| Forest Park Forever Inc | Saint Louis | 501(c)(3) | 1987 | $42.3 million | $246.2 million | 2024-12 |
| Missouri Conservation Heritage Foundation | Jefferson Cty | 501(c)(3) | 1998 | $5.2 million | $17.5 million | 2025-06 |
| Planet Indonesia | Saint Louis | 501(c)(3) | 2014 | $3.2 million | $1.2 million | 2025-12 |
| Missouri Prairie Foundation | Columbia | 501(c)(3) | 1971 | $3.1 million | $21.6 million | 2025-12 |
| Metropolitan Energy Center Inc | Kansas City | 501(c)(3) | 1984 | $2.9 million | $1.5 million | 2024-12 |
| National Garden Clubs Incorporated | Saint Louis | 501(c)(3) | 1953 | $2.9 million | $26.3 million | 2025-05 |
| Ozarks Environmental Services | Kimberling Cy | 501(c)(3) | 2017 | $2.9 million | $1.7 million | 2024-12 |
| WDH Foundation-C4 | Saint Louis | 501(c)(4) | 2014 | $2.8 million | $91.5 million | 2024-12 |
| Botanical Society of America Inc | Saint Louis | 501(c)(3) | 1940 | $2.5 million | $10 million | 2025-09 |
| Missouri State Parks Foundation Inc | Columbia | 501(c)(3) | 2001 | $2.3 million | $1.5 million | 2025-06 |
| Columbia Center for Urban Agriculture | Columbia | 501(c)(3) | 2010 | $2.2 million | $3.5 million | 2024-12 |
| Kansas City Community Gardens Inc | Kansas City | 501(c)(3) | 1985 | $1.6 million | $1.4 million | 2025-09 |
| Upper White River Basin Foundation Inc | Kimberling Cy | 501(c)(3) | 2002 | $1.5 million | $3.1 million | 2024-12 |
| LL Foundation | Keytesville | 501(c)(3) | 2019 | $1.5 million | $2.3 million | 2024-12 |
| The Open Space Council for the St Louis Region | Saint Louis | 501(c)(3) | 1967 | $1.4 million | $1.9 million | 2025-12 |
| Forest Releaf of Missouri | Saint Louis | 501(c)(3) | 1994 | $1.3 million | $2.7 million | 2024-12 |
| Conservation Federation of Missouri | Jefferson Cty | 501(c)(3) | 2005 | $1.3 million | $2.9 million | 2024-12 |
| Renew Missouri Advocates | Columbia | 501(c)(3) | 2016 | $1.2 million | $826,324 | 2025-06 |
| Renewable Fuels Foundation | Ellisville | 501(c)(3) | 1986 | $1.2 million | $865,621 | 2025-09 |
| National Network of Abortion Funds | Saint Louis | 501(c)(3) | 1994 | $1.2 million | $1.9 million | 2025-06 |
| River Relief Inc | Columbia | 501(c)(3) | 2002 | $1.1 million | $915,797 | 2024-12 |
| Watershed Committee of Ozarks Inc | Springfield | 501(c)(3) | 1995 | $1.1 million | $3.6 million | 2025-12 |
| Scraps KC Inc | Kansas City | 501(c)(3) | 2016 | $1.1 million | $390,030 | 2025-12 |
| Mississippi River Cities & Towns Initiative | Saint Louis | 501(c)(3) | 2016 | $1 million | $826,809 | 2024-12 |
| Missouri Coalition for the Environment Foundation | Saint Louis | 501(c)(3) | 1971 | $981,097 | $935,130 | 2025-06 |
| KC Can Compost | Kansas City | 501(c)(3) | 2019 | $946,652 | $360,260 | 2024-12 |
| Heartland Conservation Alliance Inc | Kansas City | 501(c)(3) | 2013 | $931,526 | $831,883 | 2024-12 |
| Ozark Regional Land Trust | Columbia | 501(c)(3) | 1984 | $928,772 | $10 million | 2024-12 |
| Seed Saint Louis | Saint Louis | 501(c)(3) | 1984 | $811,737 | $1.4 million | 2024-12 |
| Downtown West Plains Inc | West Plains | 501(c)(3) | 2000 | $770,411 | $3.4 million | 2025-12 |
| Sustainable Advanced Biofuel Refiners Coalition | Jefferson Cty | 501(c)(6) | 2024 | $765,498 | $43,604 | 2025-12 |
| St Louis Earth Day | Saint Louis | 501(c)(3) | 2002 | $747,553 | $424,743 | 2025-08 |
| Missouri Soil & Water Conservation Districts | Jefferson City | 501(c)(3) | 1993 | $727,139 | $912,242 | 2025-12 |
| Rustic Roots Sanctuary Co | Saint Louis | 501(c)(3) | 2020 | $700,216 | $445,249 | 2024-12 |
| Open Source Ecology | Maysville | 501(c)(3) | 2013 | $689,928 | $507,723 | 2025-12 |
| Ozark Greenways Inc | Springfield | 501(c)(3) | 1993 | $644,561 | $3.1 million | 2024-12 |
| Partners for Odessa Parks and Recreation Inc | Odessa | 501(c)(3) | 2010 | $633,694 | $3.8 million | 2025-12 |
| Missouri Water Environment Association Incorporated | Jefferson Cty | 501(c)(3) | 1986 | $529,733 | $516,785 | 2025-12 |
| Friends of Bunker Hill | Columbia | 501(c)(3) | 2014 | $479,975 | $530,643 | 2025-12 |
| Magnificent Missouri Inc | Saint Louis | 501(c)(3) | 2012 | $469,167 | $1.5 million | 2025-12 |
| Sahara Conservation Fund | Saint Louis | 501(c)(3) | 2009 | $465,180 | $1.2 million | 2025-12 |
| Missouri Energy Initiative | Jefferson City | 501(c)(3) | 2010 | $464,971 | $436,886 | 2025-12 |
| Innovators Educational Foundation | Rolla | 501(c)(3) | 2010 | $451,901 | $922,817 | 2025-12 |
| St Louis Art Place Initiative Inc | Saint Louis | 501(c)(3) | 2019 | $440,952 | $377,174 | 2024-12 |
| Passback | Saint Louis | 501(c)(3) | 2023 | $416,150 | $308,585 | 2025-12 |
| James River Basin Partnership | Springfield | 501(c)(3) | 2003 | $416,007 | $1.2 million | 2024-12 |
| Great Rivers Habitat Alliance | Saint Charles | 501(c)(3) | 2000 | $415,631 | $563,179 | 2023-12 |
| Missourians for A Balanced Energy Future | Jefferson Cty | 501(c)(4) | 2009 | $402,875 | $43,520 | 2025-12 |
| Us Industrial Inventory Solutions | Saint Louis | 501(c)(3) | 2020 | $355,562 | $80 | 2024-12 |
| Perennial | Saint Louis | 501(c)(3) | 2011 | $326,404 | $68,700 | 2025-12 |
| Friends of the Childrens Eternal Rainforest | Ellisville | 501(c)(3) | 2002 | $319,412 | $3.1 million | 2024-12 |
| Climate Action KC Inc | Kansas City | 501(c)(3) | 2020 | $284,853 | $107,582 | 2025-12 |
| Missouri Stream Team Watershed Coalition | Shelbyville | 501(c)(3) | 2001 | $265,034 | $296,563 | 2024-12 |
| Forest and Woodland Association of Missouri | St Peters | 501(c)(3) | 2022 | $260,581 | $158,966 | 2025-06 |
| Lake of the Ozarks Watershed Alliance | Sunrise Beach | 501(c)(3) | 2008 | $257,607 | $153,573 | 2025-12 |
| The Friends of the Green Center | Saint Louis | 501(c)(3) | 1998 | $253,606 | $611,653 | 2025-09 |
| Coldwater Outing and Game Preserve | Ste Genevieve | 501(c)(7) | 2023 | $248,790 | $733,952 | 2025-12 |
| Ozark Trail Association | Potosi | 501(c)(3) | 2004 | $241,595 | $253,453 | 2024-12 |
| Dancing Rabbit Inc | Rutledge | 501(c)(3) | 2013 | $237,270 | $212,372 | 2024-12 |
| Kress Farm Garden Preserve | Hillsboro | 501(c)(3) | 2004 | $232,999 | $2.1 million | 2024-12 |
| Soil Health Academy | Mill Spring | 501(c)(3) | 2020 | $232,230 | $354,958 | 2025-12 |
| Mo Hives KC | Kansas City | 501(c)(3) | 2020 | $230,471 | $152,425 | 2024-12 |
| The Kansas City Rose Society | Kansas City | 501(c)(3) | 1974 | $217,896 | $561,014 | 2025-10 |
| Friends of Lakeside Nature Center Incorporated | Kansas City | 501(c)(3) | 1986 | $206,557 | $496,610 | 2025-12 |
| Sodas Life Inc | Kansas City | 501(c)(3) | 2019 | $204,857 | $0 | 2025-12 |
| Westlake Aquatic Center Inc | Gravois Mills | 501(c)(3) | 2016 | $198,378 | $406,157 | 2025-12 |
| Charles A and Anne Morrow Lindbergh Foundation | Clayton | 501(c)(3) | 1977 | $196,505 | $101,109 | 2024-12 |
| Tumbling Creek Cave Foundation | Protem | 501(c)(3) | 2007 | $186,932 | $3.2 million | 2025-12 |
| St Louis Audubon Society | Kirkwood | 501(c)(3) | 1946 | $171,088 | $661,495 | 2025-12 |
| Greenbelt Land Trust of Mid Missouri Inc | Columbia | 501(c)(3) | 1994 | $163,166 | $287,490 | 2024-12 |
| Missouri Parks Association | Kansas City | 501(c)(3) | 1996 | $150,691 | $1.6 million | 2024-12 |
| Wildcat Glades Friends Group | Joplin | 501(c)(3) | 2018 | $141,261 | $249,302 | 2024-12 |
| St Louis Regional Clean Cities | Fenton | 501(c)(3) | 2008 | $126,525 | $59,233 | 2024-12 |
| Purpose Ministries | Steelville | 501(c)(3) | 2022 | $116,690 | $63,485 | 2025-06 |
| Ozark Chinquapin Foundation | Poplar Bluff | 501(c)(3) | 2015 | $116,426 | $81,441 | 2025-12 |
| Palestine Village Community Development Corporation | Kansas City | 501(c)(3) | 2002 | $110,309 | $2 million | 2024-12 |
| Missouri Green Banc | Chesterfield | 501(c)(3) | 2025 | $102,000 | $28,509 | 2025-12 |
| Missouri Natural Resources Conference Inc | Jefferson City | 501(c)(3) | 2014 | $94,653 | $132,537 | 2025-03 |
| Missouri Recycling Association | Jefferson Cty | 501(c)(3) | 1999 | $85,605 | $13,338 | 2024-12 |
| St Louis Teachers Recycle Center Inc | Manchester | 501(c)(3) | 1993 | $82,900 | $73,779 | 2025-12 |
| Resilient Activist Inc | Kansas City | 501(c)(3) | 2018 | $75,238 | $29,507 | 2025-12 |
| Platte County Land Trust | Kansas City | 501(c)(3) | 1998 | $73,821 | $469,463 | 2025-12 |
| Tri-State Water Resource Coalition | Springfield | 501(c)(4) | 2004 | $67,771 | $168,028 | 2025-12 |
| Midwest Mitigation Oversight Association Incorporated | Kansas City | 501(c)(3) | 2013 | $53,956 | $257,003 | 2024-12 |
| Burroughs Audubon Society of Greater Kansas City | Blue Springs | 501(c)(3) | 1972 | $47,952 | $403,117 | 2025-04 |
| Ladue Garden Club | Saint Louis | 501(c)(3) | 1994 | $47,618 | $102,537 | 2024-06 |
| Flora Conservancy of Forest Park Inc | Saint Louis | 501(c)(3) | 2020 | $42,049 | $22,753 | 2024-12 |
| Federated Garden Clubs of Missouri | Lake St Louis | 501(c)(3) | 1974 | $40,223 | $274,648 | 2025-05 |
| Missouri Public Water Association | Osage Beach | 501(c)(3) | 2019 | $38,690 | $508,055 | 2024-12 |
| Resource Recovery Project | Saint Louis | 501(c)(3) | 1994 | $36,582 | $104,423 | 2024-12 |
| Excelsior Springs Parks and Recreation Foundations | Excelsior SPG | 501(c)(3) | 2013 | $34,590 | $56,587 | 2025-09 |
| Innsbrook Fishing Club - A Nonprofit Corporation | Saint Louis | 501(c)(3) | 2024 | $27,055 | $10,451 | 2025-12 |
| Naturecite | Springfield | 501(c)(3) | 2020 | $26,276 | $69,913 | 2025-12 |
| Alford Forest Inc | Gainesville | 501(c)(3) | 2000 | $24,004 | $17,704 | 2025-12 |
| Lone Pine Conservation Foundation | Springfield | 501(c)(3) | 2022 | $18,111 | $7,746 | 2025-12 |
| Greenway Network Inc | O Fallon | 501(c)(3) | 1994 | $14,031 | $38,937 | 2024-12 |
| Buttheadz Growers Club | Jackson | 501(c)(3) | 2024 | $6,539 | $1,569 | 2025-12 |
| Conservation Enhancement Fund | Jefferson Cty | 501(c)(3) | 2006 | $5,372 | $145,580 | 2025-12 |
| Heart of America Chapter of Nnsdo | Kansas City | 501(c)(3) | 2020 | $3,595 | $7,373 | 2025-12 |
| We Become More - WBM | Lees Summit | 501(c)(3) | 2024 | $1,400 | $1,400 | 2025-06 |
| Little Bit | Ofallon | 501(c)(3) | 2022 | $8 | $14,330 | 2025-12 |
| Adl7 Outdoor Alliance | Salem | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Air and Waste Management Association-Greater St Louis | Ellisville | 501(c)(3) | 1999 | $0 | $0 | 2026-04 |
| Amvets Riders Chapter Mo 1 | Glencoe | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Association for Temperate Agroforestry | Columbia | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Association of Missouri Interpreters | Kirkwood | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Asylum Orchard | Kansas City | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Aurora Beautification Co | Aurora | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| BGC Booster Club | Sedalia | 501(c)(3) | 2026 | |||
| Back Country Horsemen of Missouri Inc | Wildwood | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Beautification and Preservation Fund | St Louis | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Beautify Crestwood Club | Crestwood | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Belews Creek Watershed Partnership | Hillsboro | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Benefit Concerts of America | Chesterfield | 501(c)(3) | 2014 | $0 | $1 | 2025-12 |
| Big Game Hunters Foundation | Barnhart | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| Big Lake Improvement Association | Craig | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Bittersweet Garden Club of Jefferson City | Holts Summit | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Bokashi Club Inc | Springfield | 501(c)(3) | 2026 | |||
| Bollinger County Recycling | Sedgewickvlle | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Bonsai Society of Greater Kansas City | Kansas City | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Borderless Water Initiative | Greenwood | 501(c)(3) | 2026 | |||
| Brandon M Jacques Foundation | Kearney | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Brune Family Foundation | New Haven | 501(c)(3) | 2021 | $257,978 | 2025-12 | |
| Byteback STL | TWN and Cntry | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cainsville Community Betterment Committee | Cainsville | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Cans for Our Community Inc | Harrisonville | 501(c)(3) | 2023 | $0 | $0 | 2026-01 |
| Capital City Fly Fishers | Jefferson Cty | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Ceiba Biological Center | Saint Louis | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Center for Wild Hope | University Cy | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Citizens Committee for Flood Relief | De Soto | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Citizens for Environmental Action | Leeton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Climate Council | Lees Summit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Climate Herald | Saint Louis | 501(c)(3) | 2024 | |||
| Climate Prosperity Project Inc | Saint Louis | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Clinton Friends of the Parks | Clinton | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Coldwater Conservation Foundation | Kirkwood | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Corinthians Ranch Inc | Odessa | 501(c)(3) | 2025 | |||
| Countryside Federated Garden Club | Purdin | 501(c)(3) | 2023 | $0 | $0 | 2025-10 |
| Cpaaa North County Chapter | Florissant | 501(c)(3) | 2019 | $0 | $0 | 2026-04 |
| Darksky Missouri | Olivette | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Daughters of Union Veterans of the Civil War 1861-1865 | Mount Vernon | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Design for Conservation Defensefund | Jefferson Cty | 501(c)(4) | 2007 | $0 | $0 | 2025-12 |
| Dogwood Canyon Foundation | Springfield | 501(c)(3) | 2009 | $32.7 million | 2024-12 | |
| Douglas County Household Hazardous Waste & Recycling Committee | Ava | 501(c)(3) | 1991 | $0 | $0 | 2025-12 |
| Earthwise Recycling Center | Kimberling Cy | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| East Ozarks Audubon Society | Farmington | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| Eastern Missouri Climbers Association | Saint Charles | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Eastern Missouri Smallflows Organization Inc | Imperial | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Ecopotential Ngo | Noel | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Ecosavvy Insights | Carl Junction | 501(c)(3) | 2025 | |||
| Eden Arboretum and Gardens | Edwards | 501(c)(3) | 2026 | |||
| Eldon Garden Club | Eldon | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Eleven Point River Conservancy | Alton | 501(c)(3) | 2003 | $0 | $0 | 2024-12 |
| Empowering Growth Optimization | Kansas City | 501(c)(3) | 2026 | |||
| Environmental Task Force of Jasper and Newton Counties | Joplin | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Federated Garden Clubs of Missouri Inc | Saint Louis | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Federated Garden Clubs of Missouri Inc | Peculiar | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Federated Garden Clubs of Missouri Inc | Lake St Louis | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Fleur de Lis Garden Club | Saint Peters | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Flora for Fauna | Glendale | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Foothills Prescribed Burn Association | Saint Louis | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Friends of Alderson Boren Dye Cemetery | Belton | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Friends of Cardinal Valley | Joplin | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Friends of Hawn Association | Saint Louis | 501(c)(3) | 2016 | $0 | $0 | 2025-07 |
| Friends of Parkville Nature Sanctuary | Parkville | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Friends of Washington State Park | Imperial | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Friends of the Neosho National Fish Hatchery Inc | Neosho | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Friends of the Park Neosho Inc | Neosho | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Frontenac Garden Club | Frontenac | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Froot-Snacks Farm | Florissant | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Fulton Garden Club | Steedman | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Fundacion Colombiana Eco-Logica | Saint Louis | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Gateway Green Education Foundation | University Cy | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Genesis Nexus | Saint Charles | 501(c)(3) | 2025 | |||
| Grand River Fins Feathers Fur | Darlington | 501(c)(3) | 2025 | |||
| Graydon Springs Outdoor Legacy | Ozark | 501(c)(3) | 2012 | $0 | $0 | 2025-09 |
| Greater Maries Prescribed Burn Association | Saint Louis | 501(c)(3) | 2024 | |||
| Green Thumb | Kirksville | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Greenwood Forest Association | Mountain View | 501(c)(3) | 1991 | $0 | $0 | 2026-06 |
| Grow Glendale Gorgeous | Kirkwood | 501(c)(3) | 2014 | $0 | $4,393 | 2025-12 |
| Habitat Association | Mansfield | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Health Haven Botanical Gardens | West Plains | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Heartland Outside Inc | Kansas City | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Heartland Renewable Energy Society | Lees Summit | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Heartland Trail Trash | Chaffee | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Helen G Walker Foundation | Saint Louis | 501(c)(3) | 1995 | $567,102 | 2026-01 | |
| Helen Schult Garden Club | Caruthersvlle | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Helena Webster Park Board | Helena | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Hickory Neighbors United | Trenton | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Higher Society | Joplin | 501(c)(3) | 2023 | $0 | $0 | 2025-01 |
| Highway 13 Butterfly Trail | Hamilton | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hinterlong Foundation | Washington | 501(c)(3) | 2009 | $1.5 million | 2025-06 | |
| Historic St Joseph Foundation | St Joseph | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Holt County Soil & Water Conservation District | Mound City | 501(c)(3) | 1988 | |||
| Honoring Our Heroes | Ballwin | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Horizons Business Park Association Inc | Riverside | 501(c)(4) | 2019 | $0 | $0 | 2025-12 |
| Horticultural Society of St Louis | Kirkwood | 501(c)(3) | 2026 | |||
| House Springs Preservation Inc | Eureka | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Human Resources Forum Inc | Lake Lotawana | 501(c)(6) | 2023 | $0 | $0 | 2025-12 |
| Ihope Foundation Inc | Cpe Girardeau | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| International Erosion Control Association Great Rivers Chapter | Lees Summit | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Its Our Wild Nature | Columbia | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| JDL Charities Company | Rolla | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Jake Cavanaugh Foundation | Blue Springs | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Jemi Memorial Peace Foundation | Lake St Louis | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Just Moms STL | Maryland HTS | 501(c)(3) | 2025 | $0 | $0 | 2025-03 |
| Kansas City Nature Works | Kansas City | 501(c)(3) | 2026 | |||
| Kansas City Parks Foundation | Kansas City | 501(c)(3) | 1994 | $0 | $0 | 2024-12 |
| Kansas City River Trails | Kansas City | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Kellogg Lake Nature Center and Preserve | Carthage | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Klear Foundation | Saint Louis | 501(c)(3) | 2016 | $4.2 million | 2025-12 | |
| La Russel Safari Club | Carl Junction | 501(c)(3) | 2026 | |||
| Labarque Watershed Stream Team Association | Catawissa | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Lake Bloomers Garden Club | Sunrise Beach | 501(c)(3) | 2019 | $0 | $0 | 2026-01 |
| Lakewood Garden Club | Lees Summit | 501(c)(3) | 2001 | $0 | $0 | 2026-07 |
| Landscape and Nurserymens Association of Greater St Louis | Saint Louis | 501(c)(6) | 2005 | $0 | $0 | 2025-12 |
| League of Watershed Guardians | Arnold | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Legends of Conservation | Bland | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Lexington Community Betterment Association Inc | Lexington | 501(c)(3) | 1995 | $0 | $0 | 2024-12 |
| Loch Lloyd Garden Club | VLG Loch Loyd | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Lovett Pinetum Charitable Foundation | Strafford | 501(c)(3) | 1997 | $18.9 million | 2025-11 | |
| Manheim Park Garden Conservancy | Kansas City | 501(c)(3) | 2017 | $0 | $0 | 2023-11 |
| Mark Twain Lake Friends of Recreation and Environmental Stewa | Monroe City | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Marlborough East Neighborhood Association | Kansas City | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Master Gardeners of Johnson County Mo | Warrensburg | 501(c)(3) | 2026 | |||
| McKinley Heights Neighborhood Association | Saint Louis | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Mid-America Judging Center | Labadie | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Midamerica Clean Future Alliance | Saint Louis | 501(c)(3) | 2025 | |||
| Midamerica Renewable Energy Advocates Inc | Springfield | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Middle Mississippi Pba | Herculaneum | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Mill Creek Watershed Coalition | Rolla | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Mississippi River Cultural Station | Canton | 501(c)(3) | 2026 | |||
| Mississippi River Water Trail Association | West Alton | 501(c)(3) | 2015 | $0 | $0 | 2026-02 |
| Missouri Caves and Karst Conservancy | Kirkwood | 501(c)(3) | 1996 | $0 | $0 | 2024-12 |
| Missouri Clean Skies | Cape Fair | 501(c)(4) | 2026 | |||
| Missouri Community Forestry Council | Columbia | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Missouri Confluence Waterkeeper | Saint Louis | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Missouri Conservation Corps | Columbia | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Missouri Farmland Preservation Trust | Smithville | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Missouri Floodplain and Stormwatermanagers Association | Saint Charles | 501(c)(6) | 2006 | $0 | $0 | 2025-12 |
| Missouri Land Trust Coalition | Saint Louis | 501(c)(3) | 2026 | |||
| Missouri Master Naturalist Lake of the Ozarks Chapter | Linn Creek | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Missouri Nature Association | Plato | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Missouri Pollinators Council | O Fallon | 501(c)(3) | 2025 | |||
| Missouri Speleological Survey Inc | Imperial | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Missouri Sportsmans Club Foundation | Ballwin | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Missouri Wild Horse League Inc | Eminence | 501(c)(3) | 1994 | $0 | $0 | 2025-10 |
| Mo Kan Daylily Society | Kearney | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Mobci Foundation Inc | Columbia | 501(c)(3) | 2018 | $0 | $0 | 2026-08 |
| Mogreenfuture | Saint Peters | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Mona Project Inc | Saint Louis | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Mount Vernon Community Betterment Council Inc | Mount Vernon | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Multi-Basin Regional Water Council | Kimberling Cy | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Nanofasa USA Incorporated | Excelsior Springd | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Neighbors of the Mississippi Corp | Annada | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Niangua Basin Prescribed Burn Association | Camdenton | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Northeast Missouri Resource Conservation & Devlpmt Council Inc | Lancaster | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Northland Community Cleanup KC | Kansas City | 501(c)(3) | 2023 | $0 | $21,942 | 2025-12 |
| O Fallon Garden Club | Ofallon | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Odessa Garden Club | Odessa | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Olivette in Bloom | Saint Louis | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| One Drop for Life | Saint Louis | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| One Garden Inc | Brixey | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Osage Lakes Greenway Corporation | Warsaw | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Outside 45 | Saint Joseph | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ozark Fly Fishers Inc | Saint Louis | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Penn Valley Park Conservancy | Kansas City | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Planetary Water & Earth Arts Initia Tive | Columbia | 501(c)(3) | 2026 | |||
| Plant Youth Foundation | Saint Louis | 501(c)(3) | 2025 | |||
| Poplar Bluff Trails Coalition | Poplar Bluff | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Power Up Generator Solutions Inc | Kansas City | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Prairie Gardens Charitable Foundation | New Bloomfld | 501(c)(3) | 2023 | $1.4 million | 2025-12 | |
| Prairie Star Conservation Community | Bland | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Project17 Foundation Inc | Kansas City | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Qdmregs4mo | Clifton Hill | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Red Brick Community Land Trust | Saint Louis | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Redeeming Works | Sikeston | 501(c)(3) | 2026 | |||
| Region M Solid Waste Management District | Joplin | 501(c)(3) | 1993 | |||
| Renew Missouri Action | Columbia | 501(c)(4) | 2016 | $0 | $0 | 2025-06 |
| Renewable Future Fuels Inc | Naylor | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Reusefull Inc | Kansas City | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Richmond Beautification Club | Norborne | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| River Bluffs Audubon Society MS Linda Landon | Jefferson Cty | 501(c)(3) | 1993 | $0 | $0 | 2026-05 |
| River Des Peres Watershed Coalition | Saint Louis | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Roaring River State Parks Alliance | Joplin | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Rutherford Bridge Nature Access Inc | Columbia | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| STL Treelc | Saint Louis | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Saint Louis Hosta Society | Crestwood | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Saveourheritage Foundation | Neosho | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Scenic Missouri Inc | Ballwin | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Scenic Rivers Invasive Species Partnership Inc | Mountain View | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Semo Grotto of the National Speleological Society | Ste Genevieve | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Shalom Restoration Group | Saint Louis | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Shepherd of the Hills Garden Club | Branson | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| South Grand River Watershed Alliance | Peculiar | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| South West District of FGCM | Branson | 501(c)(3) | 2014 | $0 | $0 | 2026-05 |
| Southern Boone Learning Garden | Ashland | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Southwest Missouri Fly Fishers Inc | Springfield | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Southwest Missouri Herpetological Society | Springfield | 501(c)(3) | 2026 | |||
| Spoon Hollow Reserve Foundation | Marthasville | 501(c)(3) | 2019 | $4.4 million | 2025-12 | |
| Springfield Compost Collective | Springfield | 501(c)(3) | 2023 | $0 | $0 | 2023-09 |
| Sringfield Plateau Prescribed Burn Association | Seymour | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| St Charles Watersheds Alliance | Ballwin | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| St Francois Mountains Prescribed Burn Association | Ironton | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| St Louis 350 | Manchester | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| St Louis Greenhouse Plant Society Inc | Kirkwood | 501(c)(3) | 2016 | $0 | $0 | 2025-05 |
| St Louis Litter Crew | Jennings | 501(c)(3) | 2025 | |||
| Stanley & Marty Arkwright Conservation Trust 2013 | Saint Louis | 501(c)(3) | 2006 | $3.2 million | 2025-12 | |
| Stygian Grotto | St Peters | 501(c)(3) | 2026 | |||
| Surendra and Karen Gupta Arc Foundation | Saint Louis | 501(c)(3) | 2000 | $3.4 million | 2025-12 | |
| Susan Sykes McMeel Foundation Inc | Excelsior SPG | 501(c)(3) | 2025 | $52,725 | 2025-12 | |
| The Clay County Conservation Club | Holt | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| The Decker Foundation | Lathrop | 501(c)(3) | 2026 | |||
| The Environmentalists | Saint Louis | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| The Headwaters Conservancy Inc | Saint Louis | 501(c)(3) | 2002 | $24,035 | 2025-12 | |
| The International Initiative for Su Stainability Education - Tiise | Florissant | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| The New Town Garden Club Inc | Saint Charles | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| The Orchid Society of Greater Kansas City Inc | Blue Springs | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Three Trees Forest Adventures | Parkville | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Town and Country Garden Club | Norborne | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Turner Estates Subdivision | Kimberling Cy | 501(c)(3) | 2015 | $145,903 | 2025-12 | |
| Twin Rivers Prescribed Burn Association | Elsberry | 501(c)(3) | 2025 | |||
| Upper Meramec Prescribed Burn Association | Cook Sta | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Urban Elevation Foundation | Spanish Lake | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Viva Cuba Inc | Cuba | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| WDH Foundation-C3 Trust | Saint Louis | 501(c)(3) | 2017 | $38.8 million | 2024-12 | |
| Wanderbright | Springfield | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Washington County Mo Garden Club | Potosi | 501(c)(3) | 2026 | |||
| Water Garden Society of Greater Kansas City | Lees Summit | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Watershed Land Trust Inc | Belton | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Watt24loud Co | Springfield | 501(c)(3) | 2024 | |||
| Webster Groves Womens Garden Association | Saint Louis | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Western University Association of the African Methodist Episcopal CH | Independence | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Wetland Management and Educational Services Inc | Puxico | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Wlic Environmental Trust Inc | Wthrby Lake | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| World Space Conservation | Eureka | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Youth Educational Support | Independence | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Earth Day Springfield Festival | Springfield | 501(c)(3) | 2022 | $-8,925 | $20,260 | 2024-12 |
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.