Home Organizations Montana Every cause Civil rights and advocacy 36 Environment and climate 317 Labor unions and worker centers 217 Housing and homelessness 139 Immigrant services and rights 3 Food banks and hunger 87 Legal aid 9 Voting and civic participation 7 Community health and reproductive care 22 LGBTQ+ services and rights 8 Criminal justice reform and reentry 12 Civil rights and advocacy (36) Organization City Type Revenue Montana Conservation Corps IncEIN 81-0467431 · filings Bozeman Charity, 501(c)(3) $13.9 million Forward MtEIN 13-4285849 · filings Missoula Advocacy, 501(c)(4) $2.8 million Aclu Of Montana Foundation IncEIN 81-0445339 · filings Missoula Charity, 501(c)(3) $1.8 million Upper Seven LawEIN 86-1632816 · filings Helena Charity, 501(c)(3) $1.3 million Montanans For ChoiceEIN 36-5031006 · filings Missoula Charity, 501(c)(3) $960,717 Inspire Action For Social Change IncEIN 26-2176385 · filings Montana City Charity, 501(c)(3) $564,686 Eastern Montana Casa-gal IncEIN 81-0490831 · filings Miles City Charity, 501(c)(3) $391,991 Montana Two Spirit SocietyEIN 94-3473673 · filings Missoula Charity, 501(c)(3) $373,292 Zachor Legal InstituteEIN 47-4687613 · filings Bozeman Charity, 501(c)(3) $324,448 Helping Hands In Hardin IncEIN 81-0512834 · filings Hardin Charity, 501(c)(3) $231,081 Mama DragonsEIN 82-5393053 · filings Billings Charity, 501(c)(3) $109,433 Stand Up America Us FoundationEIN 26-1907502 · filings Bigfork Advocacy, 501(c)(4) $68,393
The 36 largest →
Environment and climate (317) Organization City Type Revenue American Prairie FoundationEIN 81-0541893 · filings Bozeman Charity, 501(c)(3) $44.7 million Yellowstone ForeverEIN 47-5427975 · filings Bozeman Charity, 501(c)(3) $34.5 million Montana Land RelianceEIN 81-0369262 · filings Helena Charity, 501(c)(3) $28.2 million National Center For Appropriate Technology IncEIN 81-0361047 · filings Butte Charity, 501(c)(3) $10.1 million Flathead Land Trust IncEIN 36-3479966 · filings Kalispell Charity, 501(c)(3) $9.4 million Prickly Pear Land TrustEIN 81-0506868 · filings Helena Charity, 501(c)(3) $8.9 million Montana Land Reliance FoundationEIN 27-1125289 · filings Helena Charity, 501(c)(3) $8.6 million Greater Yellowstone Coalition IncEIN 81-0414042 · filings Bozeman Charity, 501(c)(3) $7.0 million Ecology Project InternationalEIN 91-2163952 · filings Missoula Charity, 501(c)(3) $5.9 million Yellowstone To Yukon Conservation InitiativeEIN 81-0535303 · filings Bozeman Charity, 501(c)(3) $5.4 million The Big Sky Community OrganizationEIN 81-0520589 · filings Big Sky Charity, 501(c)(3) $5.1 million Backcountry Hunters And AnglersEIN 20-1037177 · filings Missoula Charity, 501(c)(3) $5.1 million
The 300 largest →
Labor unions and worker centers (217) Organization City Type Revenue Farmers Educational & Cooperative Union Of America Montana DivisionEIN 81-0133490 · filings Great Falls Labor organization, 501(c)(5) $3.8 million Montana Farm Bureau FederationEIN 81-0246740 · filings Bozeman Labor organization, 501(c)(5) $3.1 million International Brotherhood Of TeamstersEIN 81-0157323 · filings Butte Labor organization, 501(c)(5) $2.5 million International Brotherhood Of Electrical WorkersEIN 81-0283332 · filings Butte Labor organization, 501(c)(5) $2.1 million International Union Of Operating Engineers Local 400EIN 81-0300789 · filings Helena Labor organization, 501(c)(5) $1.9 million American Federation Of Labor & Congress Of Industrial OrgsEIN 81-0171147 · filings Helena Labor organization, 501(c)(5) $1.7 million International Brotherhood Of Electrical WorkersEIN 81-0151375 · filings Billings Labor organization, 501(c)(5) $1.5 million Montana Electrical Joint Apprenticeship Training Council TrEIN 81-0306122 · filings Helena Labor organization, 501(c)(5) $1.5 million International Brotherhood Of TeamstersEIN 81-0151321 · filings Billings Labor organization, 501(c)(5) $1.4 million International Brotherhood Of Electrical WorkersEIN 81-0228648 · filings Kalispell Labor organization, 501(c)(5) $1.4 million Laborers International Union Of North AmericaEIN 81-6010711 · filings Helena Labor organization, 501(c)(5) $1.4 million International Brotherhood Of Electrical WorkersEIN 81-0499261 · filings Helena Labor organization, 501(c)(5) $1.0 million
The 217 largest →
Housing and homelessness (139) Organization City Type Revenue Montana Homeownership Network IncEIN 81-0543240 · filings Great Falls Charity, 501(c)(3) $13.1 million Homeword IncEIN 81-0522626 · filings Missoula Charity, 501(c)(3) $10.3 million Residential Support ServicesEIN 23-7396137 · filings Billings Charity, 501(c)(3) $8.2 million Poverello Center IncEIN 23-7439391 · filings Missoula Charity, 501(c)(3) $4.9 million Headwaters Community Housing TrustEIN 85-1374727 · filings Bozeman Charity, 501(c)(3) $4.2 million Big Sky Community Housing TrustEIN 84-3391892 · filings Big Sky Charity, 501(c)(3) $4.0 million 100 Fold StudioEIN 27-2204504 · filings Lakeside Charity, 501(c)(3) $3.5 million Energy Share Of Montana IncEIN 81-0411562 · filings Helena Charity, 501(c)(3) $3.5 million Prairie Ridge Village LlpEIN 81-0515202 · filings Glasgow Charity, 501(c)(3) $2.6 million Neighborhood Housing Services Inc Of Great FallsEIN 81-0389825 · filings Great Falls Charity, 501(c)(3) $2.6 million American Covenant Senior Housing Foundation IncEIN 01-0788133 · filings Kalispell Charity, 501(c)(3) $2.1 million Missoula Manor HomesEIN 81-0332551 · filings Missoula Charity, 501(c)(3) $2.0 million
The 139 largest →
Immigrant services and rights (3) Organization City Type Revenue American Indian InstituteEIN 81-0339551 · filings Bozeman Charity, 501(c)(3) $359,509 Angelas Piazza IncEIN 81-0514997 · filings Billings Charity, 501(c)(3) $257,019 Red Thunder InitiativeEIN 42-4205723 · filings Poplar Charity, 501(c)(3) —
Food banks and hunger (87) Organization City Type Revenue Billings Food Bank IncEIN 36-3519470 · filings Billings Charity, 501(c)(3) $39.1 million Montana Food Bank Network IncEIN 81-0421243 · filings Missoula Charity, 501(c)(3) $34.8 million Missoula Food Bank & Community Center IncorporatedEIN 81-0414143 · filings Missoula Charity, 501(c)(3) $7.1 million Helena Food Share IncEIN 36-3507623 · filings Helena Charity, 501(c)(3) $6.1 million Flathead Food Bank IncEIN 81-0399818 · filings Kalispell Charity, 501(c)(3) $3.0 million Livingston Food Pantry Of Park CountyEIN 20-3550306 · filings Livingston Charity, 501(c)(3) $1.3 million Bigfork Food Bank IncEIN 47-2397420 · filings Bigfork Charity, 501(c)(3) $693,848 Valley Community Emergency Food Bank IncEIN 81-0466404 · filings Glasgow Charity, 501(c)(3) $496,707 Essential Eats Distributors IncEIN 82-2488669 · filings Missoula Charity, 501(c)(3) $460,365 West Shore Food BankEIN 20-0353235 · filings Lakeside Charity, 501(c)(3) $423,588 A Ray Of HopeEIN 81-6089463 · filings Kalispell Charity, 501(c)(3) $413,022 Columbia Falls Food BankEIN 20-5725475 · filings Columbia Fls Charity, 501(c)(3) $400,116
The 87 largest →
Legal aid (9) Organization City Type Revenue Montana Justice FoundationEIN 81-0391131 · filings Helena Charity, 501(c)(3) $2.9 million Montana Innocence ProjectEIN 26-2603477 · filings Missoula Charity, 501(c)(3) $757,319 Cascade County Law Clinic IncEIN 81-0502047 · filings Great Falls Charity, 501(c)(3) $100,081 Montana Generational Justice FoundationEIN 47-4026832 · filings Helena Charity, 501(c)(3) $8,240 Fathers For JusticeEIN 33-4071710 · filings Plains Charity, 501(c)(3) — Youth Imperative IncEIN 81-0532561 · filings Bozeman Charity, 501(c)(3) — Rural Montana FoundationEIN 81-1372714 · filings Helena Charity, 501(c)(3) — Louise Burke Center For Holistic Representation IncEIN 82-0660739 · filings Arlee Charity, 501(c)(3) — Last Best Place CharitiesEIN 99-1242462 · filings Bozeman Charity, 501(c)(3) —
Voting and civic participation (7) Organization City Type Revenue Forward MtEIN 13-4285849 · filings Missoula Advocacy, 501(c)(4) $2.8 million Big Sky Fifty Five PlusEIN 82-4712803 · filings Helena Advocacy, 501(c)(4) $489,187 Montanas Continental Divide Honor FlightEIN 93-3226356 · filings Deer Lodge Charity, 501(c)(3) $66,127 Citizens Against Excessive RegulationsEIN 33-3811078 · filings Clinton Advocacy, 501(c)(4) $13,450 Patriots For Republican ValuesEIN 42-2583779 · filings Kalispell Advocacy, 501(c)(4) — Great Falls Rising IncEIN 82-4292147 · filings Great Falls Advocacy, 501(c)(4) — Montana Concerned Citizen Foundation FundEIN 92-0391406 · filings Red Lodge Charity, 501(c)(3) —
Community health and reproductive care (22) Organization City Type Revenue Rocky Boy Health CenterEIN 81-0349437 · filings Box Elder Charity, 501(c)(3) $65.9 million Bighorn Valley Health Center IncorporatedEIN 27-3113428 · filings Hardin Charity, 501(c)(3) $63.8 million Butte Silver Bow Primary Health Care Clinic IncEIN 81-0432169 · filings Butte Charity, 501(c)(3) $24.8 million Intermountain Planned Parenthood IncEIN 81-0307201 · filings Billings Charity, 501(c)(3) $7.0 million Sapphire Community Health IncEIN 81-0542716 · filings Hamilton Charity, 501(c)(3) $5.2 million Blue Mountain Clinic IncEIN 81-0365291 · filings Missoula Charity, 501(c)(3) $3.3 million Smiles Across Montana LlcEIN 82-1823593 · filings Bozeman Charity, 501(c)(3) $1.9 million Billings Crisis Pregnancy Center IncEIN 81-0465159 · filings Billings Charity, 501(c)(3) $1.7 million Hope Pregnancy Ministries Of Kalispell Montana IncEIN 43-2005890 · filings Kalispell Charity, 501(c)(3) $742,396 Pregnancy Care Center IncEIN 81-0465428 · filings Libby Charity, 501(c)(3) $362,360 Aurora Pregnancy SupportEIN 33-2258310 · filings Havre Charity, 501(c)(3) $283,847 Shepherds Hand Free ClinicEIN 37-1603581 · filings Whitefish Charity, 501(c)(3) $207,004
The 22 largest →
LGBTQ+ services and rights (8) Organization City Type Revenue Montana Two Spirit SocietyEIN 94-3473673 · filings Missoula Charity, 501(c)(3) $373,292 Mama DragonsEIN 82-5393053 · filings Billings Charity, 501(c)(3) $109,433 406 PrideEIN 37-1625450 · filings Billings Charity, 501(c)(3) — Happiness & Joy FoundationEIN 46-5697806 · filings Helena Charity, 501(c)(3) — Anaconda Pride FoundationEIN 61-2250059 · filings Anaconda Charity, 501(c)(3) — Great Falls Lgbtq CenterEIN 81-0829072 · filings Great Falls Charity, 501(c)(3) — Butte Pride FoundationEIN 93-4910005 · filings Butte Charity, 501(c)(3) — Queer BozemanEIN 93-4954673 · filings Chinook Charity, 501(c)(3) —
Criminal justice reform and reentry (12) Organization City Type Revenue AlternativesEIN 81-0382745 · filings Billings Charity, 501(c)(3) $19.8 million Boyd Andrew Community ServicesEIN 81-0370219 · filings Helena Charity, 501(c)(3) $9.2 million Community Supervision AlternativesEIN 45-1587838 · filings Missoula Charity, 501(c)(3) $383,047 Prison Impact MinistriesEIN 91-1263835 · filings Kalispell Charity, 501(c)(3) $210,665 Helena Community Offender Reentry ProgramEIN 27-1398558 · filings Helena Charity, 501(c)(3) $131,008 Paid In Full MontanaEIN 33-2706709 · filings Bozeman Charity, 501(c)(3) — Opening DoorsEIN 71-1032816 · filings Billings Charity, 501(c)(3) — Catalyst MontanaEIN 81-0472423 · filings Helena Charity, 501(c)(3) — Flathead Reservation Human Rights Coalition IncEIN 81-0519405 · filings Ronan Charity, 501(c)(3) — Resurrection Study GroupEIN 87-2050706 · filings Ryegate Charity, 501(c)(3) — Montana Community Corrections OrganizationEIN 92-0397363 · filings Helena Advocacy, 501(c)(4) — Montana Racial Equity ProjectEIN 47-5462992 · filings Bozeman Charity, 501(c)(3) —
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.