Home Organizations Missouri Every cause Civil rights and advocacy 131 Environment and climate 334 Labor unions and worker centers 476 Housing and homelessness 628 Immigrant services and rights 30 Food banks and hunger 254 Legal aid 34 Voting and civic participation 37 Community health and reproductive care 61 LGBTQ+ services and rights 18 Criminal justice reform and reentry 55 Civil rights and advocacy (131) Organization City Type Revenue Jackson County CasaEIN 43-1401328 · filings Kansas City Charity, 501(c)(3) $3.2 million Missouri Organizing And Voter Engagement CollaborativeEIN 43-1619531 · filings Saint Louis Charity, 501(c)(3) $3.2 million Missouri Organizing And Voter Engagement ActionEIN 82-1450617 · filings Saint Louis Advocacy, 501(c)(4) $2.7 million Missouri Protection And AdvocacyEIN 43-1119256 · filings Jefferson Cty Charity, 501(c)(3) $2.6 million Casa Of St LouisEIN 43-1807059 · filings Saint Louis Charity, 501(c)(3) $2.3 million Rural Advocates For Independent LivingEIN 43-1631638 · filings Kirksville Charity, 501(c)(3) $2.3 million Veterans For All VotersEIN 86-1852155 · filings Brentwood Charity, 501(c)(3) $1.9 million Birthright Counseling St LouisEIN 23-7189946 · filings St Louis Charity, 501(c)(3) $1.7 million Netroots NationEIN 20-4465717 · filings Kansas City Advocacy, 501(c)(4) $1.5 million Recreation Council Of Greater St LouisEIN 43-1284843 · filings Saint Louis Charity, 501(c)(3) $1.5 million Kc TenantsEIN 84-5137189 · filings Kansas City Charity, 501(c)(3) $1.5 million Missouri Court Appointed Special Advocate AssociationEIN 43-1718389 · filings Columbia Charity, 501(c)(3) $1.3 million
The 131 largest →
Environment and climate (334) Organization City Type Revenue Missouri Botanical Garden Board Of TrusteesEIN 43-0666759 · filings Saint Louis Charity, 501(c)(3) $61.0 million Forest Park Forever IncEIN 43-1427062 · filings Saint Louis Charity, 501(c)(3) $42.3 million Missouri Conservation Heritage FoundationEIN 43-1797156 · filings Jefferson Cty Charity, 501(c)(3) $5.2 million Planet IndonesiaEIN 47-0988119 · filings Saint Louis Charity, 501(c)(3) $3.2 million Missouri Prairie FoundationEIN 23-7120753 · filings Columbia Charity, 501(c)(3) $3.1 million Metropolitan Energy Center IncEIN 43-1297891 · filings Kansas City Charity, 501(c)(3) $2.9 million National Garden Clubs IncorporatedEIN 43-0739519 · filings Saint Louis Charity, 501(c)(3) $2.9 million Ozarks Environmental ServicesEIN 81-1616678 · filings Kimberling Cy Charity, 501(c)(3) $2.9 million Wdh Foundation-c4EIN 37-6573574 · filings Saint Louis Advocacy, 501(c)(4) $2.8 million Botanical Society Of America IncEIN 62-0671591 · filings Saint Louis Charity, 501(c)(3) $2.5 million Missouri State Parks Foundation IncEIN 43-1940611 · filings Columbia Charity, 501(c)(3) $2.3 million Columbia Center For Urban AgricultureEIN 26-4486257 · filings Columbia Charity, 501(c)(3) $2.2 million
The 300 largest →
Labor unions and worker centers (476) Organization City Type Revenue International Brotherhood Of Boilermakers Iron Ship BuildersEIN 48-6031851 · filings Kansas City Labor organization, 501(c)(5) $65.3 million International Brotherhood Of Electrical WorkersEIN 44-0296395 · filings Kansas City Labor organization, 501(c)(5) $23.7 million Plumbers & Pipefitters Local 562EIN 43-0560620 · filings Earth City Labor organization, 501(c)(5) $20.0 million International Brotherhood Of Electrical WorkersEIN 43-0337427 · filings Saint Louis Labor organization, 501(c)(5) $15.3 million Laborers International Union Of North AmericaEIN 85-0793702 · filings Wentzville Labor organization, 501(c)(5) $12.6 million International Union Of Operating Engineers Afl Cio Hoisting & PortEIN 43-0338091 · filings Bridgeton Labor organization, 501(c)(5) $12.4 million International Union Of Operating Engineers Local 101EIN 44-0296686 · filings Kansas City Labor organization, 501(c)(5) $11.7 million International Union United Auto Aerospace & Agricultural WorkersEIN 44-0468473 · filings Pleasant Valley Labor organization, 501(c)(5) $11.2 million Mid-america Carpenters Regional Benefit Services IncEIN 87-3501792 · filings Saint Louis Labor organization, 501(c)(5) $10.1 million International Union Of Painters And Allied TradesEIN 37-6064177 · filings Saint Louis Labor organization, 501(c)(5) $9.9 million International Association Of Machinists & Aerospace WorkersEIN 43-0337344 · filings Bridgeton Labor organization, 501(c)(5) $9.7 million International Association Of Sheet Metal Air Rail & TransportationEIN 43-0337347 · filings Saint Louis Labor organization, 501(c)(5) $9.6 million
The 300 largest →
Housing and homelessness (628) Organization City Type Revenue Lutheran Senior Services EastEIN 23-1857015 · filings Brentwood Charity, 501(c)(3) $116.6 million Ozark Tri-county Health Care ConsortiumEIN 43-1752799 · filings Neosho Charity, 501(c)(3) $41.1 million Center For The Developmentally DisabledEIN 43-1104134 · filings Kansas City Charity, 501(c)(3) $33.1 million Bethesda Senior Living IncEIN 43-1494889 · filings St Louis Charity, 501(c)(3) $27.1 million Raymore Senior Care LlcEIN 86-3022330 · filings Raymore Charity, 501(c)(3) $24.9 million City Union Mission IncEIN 44-6005481 · filings Kansas City Charity, 501(c)(3) $23.3 million Beyond Housing IncEIN 51-0179471 · filings Saint Louis Charity, 501(c)(3) $14.8 million Justine Petersen Housing And Reinvestment CorporationEIN 43-1769074 · filings St Louis Charity, 501(c)(3) $14.0 million Habitat For Humanity Of Kansas CityEIN 43-1175749 · filings Kansas City Charity, 501(c)(3) $13.8 million House Of David Preservation IncEIN 46-3631230 · filings Kansas City Charity, 501(c)(3) $12.7 million Community Builders Of Kansas CityEIN 43-1583953 · filings Kansas City Charity, 501(c)(3) $11.0 million Peter And Paul Community Services IncEIN 43-1349643 · filings Saint Louis Charity, 501(c)(3) $10.3 million
The 300 largest →
Immigrant services and rights (30) Organization City Type Revenue International Institute Of Metropolitan St LouisEIN 43-0652640 · filings Saint Louis Charity, 501(c)(3) $41.3 million Refugee And Immigrant Services & EducationEIN 82-1779829 · filings Joplin Charity, 501(c)(3) $3.6 million Migrant And Immigrant Community Action ProjectEIN 45-3236640 · filings Saint Louis Charity, 501(c)(3) $1.6 million Heart Of America Indian CenterEIN 43-1012392 · filings Kansas City Charity, 501(c)(3) $1.3 million Turkish American Interculturaleducational FoundationEIN 20-8338602 · filings Saint Louis Charity, 501(c)(3) $985,701 Vitendo4africaEIN 45-1267554 · filings Hazelwood Charity, 501(c)(3) $373,795 Kindness Begins With MeEIN 92-1547254 · filings Bridgeton Charity, 501(c)(3) $263,732 International Institute Community Development CorporationEIN 16-1765276 · filings Saint Louis Charity, 501(c)(3) $62,767 Islamic Health & Community Center IncEIN 43-1878509 · filings Ballwin Charity, 501(c)(3) $12,329 Native American Teachings And Use Of Resources And Energy IncEIN 06-1559928 · filings Kansas City Charity, 501(c)(3) — Multicultural Counseling And Research CenterEIN 27-2123362 · filings Saint Louis Charity, 501(c)(3) — Beyond The SpectrumEIN 33-4150256 · filings Florissant Charity, 501(c)(3) —
The 30 largest →
Food banks and hunger (254) Organization City Type Revenue Harvesters-the Community Food NetworkEIN 43-1208665 · filings Kansas City Charity, 501(c)(3) $146.7 million Ozarks Food Harvest IncEIN 43-1426384 · filings Springfield Charity, 501(c)(3) $55.5 million The Food Bank For Central & Northeast Missouri IncEIN 43-1238934 · filings Columbia Charity, 501(c)(3) $55.4 million Operation Food Search IncEIN 43-1241854 · filings Saint Louis Charity, 501(c)(3) $43.7 million Southeast Missouri Food BankEIN 43-1395863 · filings Sikeston Charity, 501(c)(3) $26.5 million Kanbes MarketsEIN 81-1505292 · filings Kansas City Charity, 501(c)(3) $7.4 million Food Outreach IncEIN 43-1492878 · filings Saint Louis Charity, 501(c)(3) $3.7 million Peace PantryEIN 43-1814790 · filings Cedar Hill Charity, 501(c)(3) $3.0 million Urban Produce PushEIN 33-1840102 · filings Kansas City Charity, 501(c)(3) $2.3 million Springfield Community GardensEIN 27-1883334 · filings Springfield Charity, 501(c)(3) $2.0 million Child Nutrition Service IncEIN 43-1398419 · filings Smithville Charity, 501(c)(3) $1.9 million Elevate BransonEIN 26-4727548 · filings Branson Charity, 501(c)(3) $1.7 million
The 254 largest →
Legal aid (34) Organization City Type Revenue Legal Aid Of Western MissouriEIN 43-0824638 · filings Kansas City Charity, 501(c)(3) $13.4 million Legal Services Of Eastern Mo IncEIN 43-0816805 · filings Saint Louis Charity, 501(c)(3) $13.1 million Arch City Defenders IncEIN 80-0471494 · filings Saint Louis Charity, 501(c)(3) $7.3 million Landmark Legal FoundationEIN 51-0203802 · filings Kansas City Charity, 501(c)(3) $3.7 million Heart Of Missouri CasaEIN 20-2408567 · filings Columbia Charity, 501(c)(3) $2.4 million Kc Asylum ClinicEIN 82-1240928 · filings N Kansas City Charity, 501(c)(3) $1.9 million Jasper County CasaEIN 82-3934601 · filings Joplin Charity, 501(c)(3) $1.3 million Midwestern Innocence Project IncEIN 43-1914499 · filings Kansas City Charity, 501(c)(3) $1.0 million Great Rivers Environmental Law CenterEIN 43-1943334 · filings Saint Louis Charity, 501(c)(3) $737,633 St Louis Survivors Legal Support IncEIN 35-2767324 · filings Eureka Charity, 501(c)(3) $460,796 Neighborhood Legal Support Of Kansas CityEIN 81-3880382 · filings Kansas City Charity, 501(c)(3) $390,055 Pen & SwordEIN 45-2957139 · filings Kansas City Charity, 501(c)(3) $260,152
The 34 largest →
Voting and civic participation (37) Organization City Type Revenue Missouri Organizing And Voter Engagement CollaborativeEIN 43-1619531 · filings Saint Louis Charity, 501(c)(3) $3.2 million Missouri Organizing And Voter Engagement ActionEIN 82-1450617 · filings Saint Louis Advocacy, 501(c)(4) $2.7 million Veterans For All VotersEIN 86-1852155 · filings Brentwood Charity, 501(c)(3) $1.9 million Missouri Jobs With Justice Voter ActionEIN 46-3985290 · filings Saint Louis Advocacy, 501(c)(4) $684,744 Rich Hill 4th Of July CommitteeEIN 47-3388247 · filings Rich Hill Charity, 501(c)(3) $105,068 Corps Of Engineers Naturalresources Education FoundationEIN 20-5545091 · filings Kansas City Charity, 501(c)(3) $93,812 Mo Pirg Citizen OrganizationEIN 43-1609044 · filings Jefferson City Advocacy, 501(c)(4) $43,184 Coalition Opposing Governmental SecrecyEIN 99-1632569 · filings Saint Louis Charity, 501(c)(3) $27,556 Washington Guard Foundation IncEIN 99-1502359 · filings Washington Charity, 501(c)(3) $25,546 Nwpc FoundationEIN 46-0543877 · filings Florissant Charity, 501(c)(3) $22,355 Jeffco PatriotsEIN 87-1882364 · filings Cedar Hill Advocacy, 501(c)(4) $5,935 League Of Women Voters Of Kansas City Jackson Clay And Platt CountiEIN 23-7010089 · filings Kansas City Charity, 501(c)(3) —
The 37 largest →
Community health and reproductive care (61) Organization City Type Revenue Mercy Clinic Springfield CommunitiesEIN 43-1560263 · filings Chesterfield Charity, 501(c)(3) $570.8 million Saint Thomas Medical PartnersEIN 62-1529858 · filings Saint Louis Charity, 501(c)(3) $366.2 million Mercy Clinic Fort Smith CommunitiesEIN 26-1318597 · filings Chesterfield Charity, 501(c)(3) $159.2 million Mercy Aco Clinical Services IncEIN 46-4504901 · filings Chesterfield Charity, 501(c)(3) $125.5 million Presence Healthcare ServicesEIN 36-3330928 · filings Saint Louis Charity, 501(c)(3) $61.7 million Betty Jean Kerr Peoples Health Centers IncEIN 43-1036785 · filings Saint Louis Charity, 501(c)(3) $34.0 million Samuel U Rodgers Health Center IncEIN 43-0899356 · filings Kansas City Charity, 501(c)(3) $30.8 million Family Care Health CentersEIN 23-7076112 · filings Saint Louis Charity, 501(c)(3) $28.6 million Southampton Community Healthcare IncEIN 86-2607359 · filings Saint Louis Charity, 501(c)(3) $13.3 million Planned Parenthood Great Rivers-missouriEIN 43-0652666 · filings Saint Louis Charity, 501(c)(3) $11.5 million Fordland Clinic IncEIN 43-1791656 · filings Fordland Charity, 501(c)(3) $9.0 million Childrens Smile CenterEIN 57-1196229 · filings Nixa Charity, 501(c)(3) $5.2 million
The 61 largest →
LGBTQ+ services and rights (18) Organization City Type Revenue Gay And Lesbian Community Center Of The OzarksEIN 43-1753837 · filings Springfield Charity, 501(c)(3) $278,499 Mid-missouri PridefestEIN 88-2139258 · filings Columbia Charity, 501(c)(3) $63,712 Tsl IncEIN 02-0796349 · filings Saint Louis Charity, 501(c)(3) — LikemeEIN 27-3549585 · filings Raymore Charity, 501(c)(3) — Jubilee ProjectEIN 33-3274192 · filings Florissant Charity, 501(c)(3) — Queery IncEIN 39-3312918 · filings Saint Louis Charity, 501(c)(3) — Amplify The ArchEIN 42-2173299 · filings Saint Louis Charity, 501(c)(3) — St Louis Black Gay And Lesbian Prid E CommitteeEIN 43-1884989 · filings Saint Louis Charity, 501(c)(3) — Life Counseling And WellnessEIN 46-2895834 · filings Saint Louis Charity, 501(c)(3) — Pflag Hannibal-quincyEIN 46-5114933 · filings Hannibal Charity, 501(c)(3) — Missouri Gay Rodeo Association IncEIN 47-2449336 · filings Kansas City Charity, 501(c)(3) — Midland Empire Equality CoalitionEIN 81-2583653 · filings Saint Joseph Charity, 501(c)(3) —
The 18 largest →
Criminal justice reform and reentry (55) Organization City Type Revenue Criminal Justice MinistryEIN 46-2647318 · filings Saint Louis Charity, 501(c)(3) $6.0 million Missouri Girls Town Foundation IncEIN 44-0648649 · filings Kingdom City Charity, 501(c)(3) $2.8 million Center For Women In TransitionEIN 43-1799627 · filings Saint Louis Charity, 501(c)(3) $1.7 million American Rehabilitation Ministry IncEIN 43-1037106 · filings Joplin Charity, 501(c)(3) $1.3 million Springboard To Learning IncEIN 43-1202003 · filings Saint Louis Charity, 501(c)(3) $881,868 Forward Through FergusonEIN 81-1359671 · filings Saint Louis Charity, 501(c)(3) $874,920 Pride St LouisEIN 43-1331630 · filings Saint Louis Charity, 501(c)(3) $748,014 Community Alternative Service Program IncEIN 43-1379396 · filings Springfield Charity, 501(c)(3) $503,196 Metro Organization For Racial And Economic Equity IncEIN 20-2470054 · filings Kansas City Charity, 501(c)(3) $497,019 Btc Building Brighter FuturesEIN 26-0273824 · filings Kansas City Charity, 501(c)(3) $409,319 Safety And Health Council Of Western Missouri And KansasEIN 44-0545291 · filings Kansas City Charity, 501(c)(3) $386,625 New Life Mission Inn-missouriEIN 26-4787265 · filings Perryville Charity, 501(c)(3) $208,076
The 55 largest →
Matched by IRS activity code and listed by the revenue on the organization's latest return. Inclusion is not an endorsement; check an organization's own site and filings before you give. Gifts to 501(c)(4) and 501(c)(5) organizations are not tax-deductible.
Source: IRS Exempt Organizations Business Master File . Updated Nov 9, 2026.