Data / Nonprofits / Wyoming / Casper
Nonprofits in Casper, WY: 586 registered with the IRS
586 nonprofits are registered with the IRS in Casper, WY, 472 of them 501(c)(3) charities; the 194 that report revenue took in $223.6 million. The largest by revenue: Wyo Complex ($22.5 million), Community Health Center of Central Wyoming Inc ($20.9 million), Wyoming Machinery Company Employee Medical Benefit Trust ($15.9 million). Most common causes: education (43), recreation and sports (40), philanthropy, voluntarism and grantmaking foundations (35).
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The 500 largest by revenue
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Wyo Complex | Recreation and sports | 501(c)(3) | 2022 | $22.5 million | $43.9 million | 2024-12 |
| Community Health Center of Central Wyoming Inc | Health care | 501(c)(3) | 1999 | $20.9 million | $19.7 million | 2025-03 |
| Wyoming Machinery Company Employee Medical Benefit Trust | 501(c)(9) | 1975 | $15.9 million | $2.5 million | 2024-12 | |
| Central Wyoming Counseling Center | Mental health and crisis intervention | 501(c)(3) | 1961 | $13.4 million | $16.3 million | 2025-06 |
| Casper College Foundation | Education | 501(c)(3) | 1963 | $10.8 million | $159 million | 2025-06 |
| Central Wyoming Hospice Program | 501(c)(3) | 1981 | $8.9 million | $14.3 million | 2024-12 | |
| Child Development Center of Natrona County | 501(c)(3) | 1968 | $7.3 million | $8.6 million | 2025-06 | |
| Boys & Girls Clubs of Central Wyoming | Youth development | 501(c)(3) | 1970 | $6.8 million | $17.5 million | 2025-09 |
| Wyoming Rescue Mission | Housing and shelter | 501(c)(3) | 1985 | $5.5 million | $15 million | 2025-06 |
| Wyoming Health Fairs | 501(c)(3) | 1987 | $5.4 million | $2.4 million | 2024-12 | |
| Wyoming Independent Living Incorporated | Human services | 501(c)(3) | 1986 | $5.1 million | $1.1 million | 2025-09 |
| Wyoming Credit Union Ins Trust | Mutual and membership benefit | 501(c)(9) | 2007 | $4.9 million | $5.2 million | 2025-12 |
| Casper Country Club | 501(c)(7) | 1954 | $3.6 million | $5.8 million | 2025-09 | |
| Luther Classical College | Education | 501(c)(3) | 2021 | $3.6 million | $4.3 million | 2024-12 |
| Platte River Trails Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1984 | $3.3 million | $9.5 million | 2024-12 |
| Casper Family YMCA | 501(c)(3) | 1965 | $3.1 million | $28.7 million | 2025-12 | |
| Wyoming Housing Network Inc | Housing and shelter | 501(c)(3) | 2005 | $2.8 million | $22.5 million | 2025-09 |
| Natrona County Meals On Wheels | Human services | 501(c)(3) | 1972 | $2.6 million | $2.4 million | 2025-09 |
| Serve Wyoming | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $2.5 million | $418,348 | 2024-12 |
| Vision Beyond Borders Inc | Religion-related | 501(c)(3) | 1995 | $2.5 million | $2.4 million | 2025-12 |
| Boys and Girls Club of Central Wyoming Endowment Foundation Inc | Youth development | 501(c)(3) | 2003 | $2.4 million | $14.4 million | 2025-09 |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1940 | $2.2 million | $8.2 million | 2025-08 | |
| Wyoming High School Activities Association | Education | 501(c)(3) | 1988 | $2.1 million | $3.8 million | 2026-06 |
| Youth Crisis Center Inc | Housing and shelter | 501(c)(3) | 1985 | $2 million | $2.7 million | 2025-06 |
| Troopers Drum and Bugle Corps Inc | Arts, culture and humanities | 501(c)(3) | 1960 | $1.8 million | $1.9 million | 2024-11 |
| Central Wyoming Junior Livestock Sale Inc | Food, agriculture and nutrition | 501(c)(3) | 2025 | $1.6 million | $65,247 | 2024-12 |
| Leadership Wyoming | Public and societal benefit | 501(c)(3) | 2019 | $1.6 million | $3.3 million | 2025-06 |
| Jasons Friends Foundation Inc | Human services | 501(c)(3) | 1996 | $1.6 million | $7.2 million | 2025-12 |
| Petroleum Association of Wyoming | Community improvement and capacity building | 501(c)(6) | 1999 | $1.5 million | $990,528 | 2024-12 |
| The Caring Center Inc | 501(c)(3) | 1987 | $1.5 million | $2.7 million | 2025-12 | |
| Special Olympics Wyoming Inc | 501(c)(3) | 1975 | $1.4 million | $754,583 | 2024-12 | |
| Cadoma Foundation | Arts, culture and humanities | 501(c)(3) | 2006 | $1.3 million | $1.8 million | 2025-09 |
| United Way of Natrona County Inc | 501(c)(3) | 1958 | $1.2 million | $1.4 million | 2025-09 | |
| Matthew Shepard Foundation | Civil rights, social action and advocacy | 501(c)(3) | 1999 | $1.2 million | $1 million | 2025-06 |
| Central Wyoming Senior Services Inc | Human services | 501(c)(3) | 1976 | $1.1 million | $845,634 | 2025-09 |
| Wyoming Realtors Inc | 501(c)(6) | 1977 | $1.1 million | $2 million | 2024-12 | |
| Habitat for Humanity International Inc | Housing and shelter | 501(c)(3) | 1987 | $1.1 million | $1.8 million | 2025-06 |
| Make-A-Wish Foundation of Wyoming | Health care | 501(c)(3) | 1986 | $1 million | $3.9 million | 2025-08 |
| Casper Humane Society | Animal-related | 501(c)(3) | 1972 | $1 million | $5.2 million | 2025-12 |
| Mountain Plains Agricultural Service | Employment | 501(c)(5) | 2015 | $1 million | $440,954 | 2024-12 |
| Wyoming Joint Electrical Apprenticeship and Training Trust | Employment | 501(c)(3) | 1968 | $1 million | $4.6 million | 2025-06 |
| Wyoming Health Council | Health care | 501(c)(3) | 1990 | $1 million | $145,646 | 2025-12 |
| Mercer Family Resource Center Inc | Mental health and crisis intervention | 501(c)(3) | 1972 | $963,631 | $3 million | 2025-06 |
| Casper Area Economic Development Alliance Inc | 501(c)(6) | 1988 | $941,546 | $4.8 million | 2025-06 | |
| Renewed Hope Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2007 | $939,533 | $169,897 | 2025-12 |
| St Anthony Housing Inc | Housing and shelter | 501(c)(3) | 1981 | $894,762 | $1.9 million | 2025-06 |
| Montessori School of Casper | Education | 501(c)(3) | 1978 | $894,294 | $1.8 million | 2025-06 |
| Casper Boat Club | 501(c)(7) | 1968 | $893,706 | $323,386 | 2025-12 | |
| Casper Christian School | Education | 501(c)(3) | 2019 | $891,196 | $40,873 | 2025-06 |
| Science Zone | Arts, culture and humanities | 501(c)(3) | 2005 | $882,230 | $1.9 million | 2024-12 |
| David Street Station | Community improvement and capacity building | 501(c)(3) | 2024 | $868,765 | $362,377 | 2025-06 |
| Mother Seton Housing Inc | Housing and shelter | 501(c)(3) | 1946 | $844,904 | $2.4 million | 2025-06 |
| Child Development Center of Natrona County Foundation | Education | 501(c)(3) | 2009 | $779,854 | $7.1 million | 2025-06 |
| Arc of Natrona County | 501(c)(3) | 2013 | $755,060 | $647,185 | 2025-06 | |
| The Wyoming Amateur Wrestling Association | 501(c)(3) | 1988 | $727,908 | $285,336 | 2025-08 | |
| National Electrical Contractors Association Inc Wyoming | 501(c)(6) | 1963 | $724,368 | $1.9 million | 2025-12 | |
| 12-24 Club Inc | Mental health and crisis intervention | 501(c)(3) | 1997 | $685,363 | $4 million | 2025-12 |
| Skyline Towers Inc | 501(c)(4) | 1967 | $657,475 | $1.1 million | 2024-12 | |
| Holy Cross Center Inc | Food, agriculture and nutrition | 501(c)(3) | 1990 | $655,122 | $967,859 | 2025-06 |
| Blue Envelope Health Fund Inc | 501(c)(3) | 1961 | $625,460 | $2.9 million | 2024-12 | |
| Nicolaysen Art Museum | Arts, culture and humanities | 501(c)(3) | 1976 | $616,917 | $2.1 million | 2025-06 |
| Casper Soccer Club Inc | 501(c)(3) | 1988 | $604,713 | $380,119 | 2025-06 | |
| Olivia Caldwell Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2014 | $603,655 | $766,922 | 2025-12 |
| Wyoming Symphony Orchestra | 501(c)(3) | 1963 | $602,806 | $776,061 | 2025-06 | |
| Utility Workers Union of America Afl-Cio | 501(c)(5) | 1944 | $584,207 | $1.5 million | 2025-12 | |
| Childrens Advocacy Project Inc | Health care | 501(c)(3) | 2007 | $567,345 | $1.4 million | 2025-06 |
| Youth for Christ USA Inc | Youth development | 501(c)(3) | 1954 | $557,393 | $853,716 | 2025-06 |
| Wyoming Wool Growers Association | 501(c)(5) | 1953 | $548,838 | $830,371 | 2025-09 | |
| Casper Housing Authority Cares | Housing and shelter | 501(c)(3) | 2016 | $523,676 | $1.4 million | 2025-03 |
| Learning Junction Childrens Center Inc | Human services | 501(c)(3) | 2002 | $514,256 | $121,782 | 2024-12 |
| Two Fly Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $490,739 | $30,098 | 2025-12 |
| Brain Injury Association of Wyoming | Human services | 501(c)(3) | 1990 | $490,573 | $63,769 | 2025-09 |
| Izaak Walton League of America Inc | 501(c)(3) | 1985 | $482,872 | $206,185 | 2025-12 | |
| Wyoming Soccer Association | Recreation and sports | 501(c)(3) | 1998 | $474,820 | $618,103 | 2025-08 |
| Methods Innovation Inc | Social science | 501(c)(3) | 2023 | $445,252 | $485,145 | 2024-12 |
| Wyoming Trucking Association Inc | 501(c)(6) | 1945 | $440,513 | $183,155 | 2024-12 | |
| Wyoming Capital Access | Community improvement and capacity building | 501(c)(3) | 2007 | $431,873 | $3.6 million | 2025-09 |
| Court-Appointed Special Advocate of Natrona County | Human services | 501(c)(3) | 2001 | $420,302 | $2.8 million | 2025-06 |
| Casper Family Connections | Human services | 501(c)(3) | 2011 | $417,700 | $263,507 | 2025-06 |
| Casper Amateur Hockey Club Inc | 501(c)(3) | 1975 | $398,601 | $378,237 | 2025-07 | |
| Casper Area Chamber of Commerce | 501(c)(6) | 1949 | $373,227 | $519,161 | 2025-12 | |
| Natrona County Public Library Foundation | 501(c)(3) | 1973 | $363,100 | $4.5 million | 2025-06 | |
| Wyoming Cutting Horse Association Incorporated | 501(c)(5) | 1989 | $360,945 | $55,972 | 2024-12 | |
| Citizens for A Civic Auditorium | Recreation and sports | 501(c)(3) | 2001 | $343,086 | $2.5 million | 2025-06 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $334,111 | $851,657 | 2026-03 | |
| Meals On Wheels Foundation | Food, agriculture and nutrition | 501(c)(3) | 1986 | $332,579 | $5.1 million | 2025-09 |
| Wyoming Petroleum Foundation | Environment | 501(c)(3) | 2024 | $327,364 | $327,142 | 2024-12 |
| Wyoming Outfitters & Guides Association | 501(c)(6) | 1975 | $326,549 | $199,491 | 2024-12 | |
| Liberty Memes Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $321,841 | $17,139 | 2024-12 |
| Proud To Host the Best Inc | Public and societal benefit | 501(c)(3) | 2018 | $302,820 | $274,857 | 2025-06 |
| Wyoming Strong Families | Religion-related | 501(c)(3) | 2023 | $298,666 | $422,268 | 2025-12 |
| Three Trails Assessment and Resource Service Society Inc | Mental health and crisis intervention | 501(c)(3) | 2000 | $275,377 | $406,861 | 2024-12 |
| Wyoming Foundation for Cancer Care | Human services | 501(c)(3) | 2018 | $273,247 | $967,111 | 2024-12 |
| Wyoming Food for Thought Project | Food, agriculture and nutrition | 501(c)(3) | 2013 | $272,811 | $935,620 | 2025-06 |
| 307 Dance Academy | Arts, culture and humanities | 501(c)(3) | 2011 | $266,081 | $106,137 | 2025-08 |
| Conroy Building Association | Mutual and membership benefit | 501(c)(12) | 2000 | $256,550 | $332,419 | 2025-12 |
| Artcore Inc | Arts, culture and humanities | 501(c)(3) | 1980 | $253,622 | $18,952 | 2025-06 |
| Casper Boxing Club | Recreation and sports | 501(c)(3) | 2012 | $253,546 | $118,546 | 2024-12 |
| Casper Pride | Civil rights, social action and advocacy | 501(c)(3) | 2018 | $245,424 | $340,856 | 2025-12 |
| Sunshine Corner Day Care Center | Human services | 501(c)(3) | 1983 | $244,915 | $15,026 | 2024-12 |
| Casper Artists Guild Inc | 501(c)(3) | 1979 | $235,119 | $1.5 million | 2025-08 | |
| Martin and Zoe Rathvon Casper College Education Trust | Education | 501(c)(3) | 1980 | $227,663 | $1 million | 2025-10 |
| Veterans of Foreign Wars Department of Wyoming | 501(c)(19) | 1965 | $226,665 | $394,338 | 2025-06 | |
| Wyoming Professional Assistance Program Inc A Wyoming NNPRFT Corp | Mental health and crisis intervention | 501(c)(3) | 1999 | $225,039 | $698,786 | 2025-12 |
| 5150 Tourism Development Inc | Public and societal benefit | 501(c)(3) | 2018 | $214,727 | $279,902 | 2026-06 |
| Excel Academy LLC | Education | 501(c)(3) | 2019 | $206,478 | $471,683 | 2024-06 |
| Haven On the Rock | Youth development | 501(c)(3) | 2002 | $204,009 | $435,696 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $188,278 | $159,832 | 2025-06 | |
| Wyoming Dementia Care | Housing and shelter | 501(c)(3) | 2008 | $185,772 | $2 million | 2024-12 |
| Casper Legion Baseball Club Inc | Recreation and sports | 501(c)(3) | 1986 | $184,849 | $14,977 | 2025-12 |
| Casper Water Ski Club | 501(c)(7) | 1993 | $184,424 | $220,321 | 2025-12 | |
| Iris House Inc | Mental health and crisis intervention | 501(c)(3) | 2017 | $182,579 | $734,125 | 2024-12 |
| DSC of Wyoming | Public and societal benefit | 501(c)(3) | 2018 | $174,552 | $122,436 | 2024-12 |
| Casper Board of Realtors | 501(c)(6) | 1982 | $173,330 | $738,679 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $171,700 | $744,562 | 2024-12 | |
| Casper Youth Baseball Inc | Recreation and sports | 501(c)(3) | 1998 | $171,466 | $1.5 million | 2024-12 |
| Casper Shooters Club | Mutual and membership benefit | 501(c)(4) | 2019 | $170,167 | $221,316 | 2024-12 |
| Veterans of Foreign Wars of the United States Dept of Wyoming | 501(c)(19) | 1965 | $167,908 | $207,095 | 2025-12 | |
| Casper Swim Club | 501(c)(3) | 1982 | $167,678 | $176,910 | 2025-09 | |
| Casper Mountain Racers | Recreation and sports | 501(c)(3) | 1988 | $165,908 | $198,893 | 2025-09 |
| Central Wyoming Chapter of the American Petroleum Institute | Youth development | 501(c)(3) | 2003 | $165,418 | $380,851 | 2025-12 |
| Casper Wrestling Club | Recreation and sports | 501(c)(3) | 2022 | $156,050 | $50,934 | 2024-12 |
| International Mountain Bicycling Association | Recreation and sports | 501(c)(3) | 2016 | $152,208 | $124,972 | 2025-12 |
| Interfaith of Natrona County Inc | Human services | 501(c)(3) | 1985 | $150,397 | $163,634 | 2025-06 |
| Shrine Bowl of Wyoming Inc | 501(c)(3) | 1974 | $143,652 | $18,592 | 2025-09 | |
| Builder Group Trust Inc | Housing and shelter | 501(c)(3) | 2020 | $133,564 | $503 | 2024-12 |
| Community Recreation Foundation | 501(c)(3) | 1951 | $132,609 | $476,203 | 2025-06 | |
| Wyoming Western Nebraska Sheet Metal WRKRS JNT Appntcshp & TRNG C | 501(c)(5) | 1988 | $130,484 | $390,222 | 2024-12 | |
| Casper Childrens Theatre Inc | Arts, culture and humanities | 501(c)(3) | 2001 | $128,978 | $336,719 | 2025-12 |
| University of Wyoming | Youth development | 501(c)(3) | 2013 | $127,458 | $106,236 | 2025-06 |
| North Platte River Foundation Inc | Environment | 501(c)(3) | 2019 | $123,945 | $684,202 | 2025-12 |
| Casper Childrens Chorale Incorporated | 501(c)(3) | 1981 | $122,798 | $188,269 | 2025-06 | |
| Washington Square McKenzie Home | Housing and shelter | 501(c)(3) | 2022 | $120,009 | $290,632 | 2025-12 |
| Wyoming Education Association | 501(c)(6) | 1972 | $117,111 | $53,266 | 2025-08 | |
| Wyoming Engineering Society | 501(c)(6) | 1994 | $115,988 | $131,787 | 2024-12 | |
| Wyoming Arts Alliance | Arts, culture and humanities | 501(c)(3) | 2012 | $114,363 | $57,567 | 2025-06 |
| Central Wyoming Homebuilders Association | 501(c)(6) | 1980 | $111,313 | $83,088 | 2026-06 | |
| Hope House | Crime and legal-related | 501(c)(3) | 2019 | $110,745 | $460,739 | 2026-06 |
| American Legion | 501(c)(19) | 1946 | $109,183 | $557,360 | 2011-12 | |
| Casper Community Greenhouse Project | Environment | 501(c)(3) | 2014 | $106,525 | $33,507 | 2025-12 |
| Lions of Wyoming Foundation Inc | 501(c)(3) | 1984 | $106,351 | $901,061 | 2025-12 | |
| Eastside United Wrestling | Recreation and sports | 501(c)(3) | 2019 | $105,125 | $73,047 | 2025-12 |
| Casper Area Education Foundation | Education | 501(c)(3) | 2014 | $100,457 | $1.2 million | 2025-06 |
| Fireside Collective | Mental health and crisis intervention | 501(c)(3) | 2022 | $99,798 | $28,145 | 2024-12 |
| Wyo4kids Inc | Human services | 501(c)(3) | 2015 | $93,593 | $51,858 | 2025-12 |
| Stage III Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $91,456 | $128,089 | 2026-06 |
| Wyoming Cares | Human services | 501(c)(3) | 2002 | $90,195 | $187,932 | 2025-03 |
| Camp Hope Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1998 | $89,005 | $113,912 | 2025-12 |
| Casper Recreational Leagues Association | 501(c)(4) | 1988 | $82,881 | $20,710 | 2025-12 | |
| Pathfinder Boat Club | Recreation and sports | 501(c)(4) | 2005 | $82,720 | $120,236 | 2025-10 |
| Oil City Volleyball Club | Recreation and sports | 501(c)(3) | 2016 | $82,474 | $29,650 | 2025-07 |
| Shriners International | 501(c)(10) | 1940 | $81,755 | $222,603 | 2025-12 | |
| Concrete Association of Wyoming | 501(c)(6) | 1997 | $81,450 | $54,464 | 2024-12 | |
| 1D6 Foundation | Science and technology | 501(c)(3) | 2024 | $80,000 | $80,000 | 2023-12 |
| Discovery Depot Preschool | Human services | 501(c)(3) | 2015 | $75,525 | $20,934 | 2024-12 |
| Science Coordination Infrastructure and Operating Syste | Science and technology | 501(c)(3) | 2024 | $75,500 | $48,921 | 2024-12 |
| Vietnam Vets Legacy Vets Motorcycle Club Chapter D of Wyoming | Public and societal benefit | 501(c)(19) | 2014 | $75,150 | $133,923 | 2024-12 |
| Casper Softball Association | Recreation and sports | 501(c)(3) | 2017 | $74,759 | $1 | 2025-12 |
| Joshuas Storehouse & Distribution Center | Human services | 501(c)(3) | 1994 | $74,557 | $530,316 | 2024-12 |
| Wyoming Geological Association | 501(c)(3) | 1953 | $69,842 | $313,071 | 2024-12 | |
| Wyoming Music Educators Association | Education | 501(c)(3) | 1994 | $68,520 | $88,130 | 2025-06 |
| Healthy Birth and Infant Brains Foundation | Medical research | 501(c)(3) | 2016 | $67,642 | $650,564 | 2024-12 |
| National Historic Trails Center Foundation Inc | Environment | 501(c)(3) | 1997 | $67,140 | $6.2 million | 2025-12 |
| Kiwanis Club of Casper Foundation | 501(c)(3) | 1998 | $65,703 | $287,149 | 2025-09 | |
| Wyoming Water Quality and Pollution Control Association | 501(c)(6) | 1980 | $64,929 | $59,548 | 2026-04 | |
| Hogadon Basin Snowsports School | Recreation and sports | 501(c)(3) | 2018 | $64,747 | $5,609 | 2026-06 |
| Nami Wyoming | 501(c)(3) | 1987 | $63,697 | $94,712 | 2025-06 | |
| Foundation of St Marks Episcopal Church Casper Wy Inc | 501(c)(3) | 1992 | $63,581 | $772,931 | 2025-12 | |
| Mike Sedar BMX Parents Association Inc | Recreation and sports | 501(c)(3) | 2019 | $63,494 | $98,036 | 2025-12 |
| Natrona County 4-H Foundation | Youth development | 501(c)(3) | 1993 | $63,229 | $268,054 | 2024-12 |
| Wyoming Chiropractic Association Inc | Community improvement and capacity building | 501(c)(6) | 2010 | $62,673 | $92,251 | 2025-12 |
| Rocky Mountain Gun Club | Recreation and sports | 501(c)(4) | 2011 | $62,508 | $119,544 | 2025-09 |
| Ancient Free and Accepted Masons of | 501(c)(10) | 1973 | $60,554 | $1.2 million | 2025-06 | |
| Central Wyoming Kennel Club Incorporated | 501(c)(4) | 2021 | $56,130 | $0 | 2025-12 | |
| Local 904 Casper Professional Firefighters Iaff | Employment | 501(c)(5) | 2019 | $54,270 | $125,305 | 2024-06 |
| Fremont County Board of Realtors Incorporated | Community improvement and capacity building | 501(c)(6) | 2006 | $54,175 | $143,195 | 2024-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $52,215 | $82,630 | 2025-06 | |
| Wyoming Medical Center Auxiliary | 501(c)(4) | 1982 | $47,873 | $77,169 | 2025-06 | |
| Rotary International | 501(c)(4) | 1958 | $47,818 | $17,029 | 2025-06 | |
| Child Development Services of Wyoming | Human services | 501(c)(3) | 2002 | $42,000 | $73,641 | 2025-06 |
| Wyoming All State Marching Band | Youth development | 501(c)(3) | 2014 | $41,388 | $15,302 | 2025-12 |
| Wyoming Historical Foundation | Arts, culture and humanities | 501(c)(3) | 2026 | $39,374 | $283,717 | 2020-09 |
| Brooks Joshua Anderson Foundation | Education | 501(c)(3) | 2016 | $38,711 | $91,657 | 2023-12 |
| Fort Caspar Museum Association | 501(c)(3) | 1988 | $35,900 | $227,733 | 2025-09 | |
| Kiwanis International Inc | 501(c)(4) | 1940 | $23,827 | $14,846 | 2025-09 | |
| Casper Antique & Collectors Club | 501(c)(7) | 1972 | $22,911 | $27,890 | 2025-12 | |
| Casper Mountain Preservation Alliance | Environment | 501(c)(4) | 2024 | $19,020 | $37,026 | 2026-03 |
| Wca Parent Teacher Organization | Education | 501(c)(3) | 2024 | $18,675 | $40,630 | 2026-06 |
| Casper Rotary Club Foundation Inc | Community improvement and capacity building | 501(c)(3) | 1991 | $15,087 | $216,076 | 2024-12 |
| Veteran Building Charities Corporation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $14,442 | $3,257 | 2025-12 |
| Diamond Sage Grouse Foundation Inc | Animal-related | 501(c)(3) | 2019 | $2,479 | $5,863 | 2025-12 |
| Country Faith Christian Academy | Education | 501(c)(3) | 2022 | $2 | $8,120 | 2025-06 |
| 11TH Ohio Volunteer Cavalry | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-01 |
| A Salt Creek Roller Derby A Non Profit Corporation | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Accelerated Medicine Foundation Inc | Medical research | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Aglow International | 501(c)(3) | 1973 | $0 | $0 | 2021-12 | |
| Aglow International | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| Aglow International Wyoming SPC Position | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| Ali Shae Coleman Pink Rose Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Alliance for Attachment-Injured Families | Mental health and crisis intervention | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Allied Angels | Crime and legal-related | 501(c)(3) | 2025 | |||
| Amal Alumma Organization Inc | Food, agriculture and nutrition | 501(c)(3) | 2026 | $0 | $0 | 2026-04 |
| American Association of University Women | 501(c)(4) | 2010 | $0 | $0 | 2023-06 | |
| American Fisheries Society | Animal-related | 501(c)(3) | 1972 | $0 | $0 | 2026-07 |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-06 | |
| American Postal Workers Union | 501(c)(5) | 1973 | $0 | $0 | 2025-12 | |
| American Wound Academy Co | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Ancient Free & Acceptd Masons of Wyoming | 501(c)(10) | 1973 | $0 | $0 | 2025-12 | |
| Ancient Free & Accepted Masons of Wyoming | 501(c)(10) | 1973 | $0 | $0 | 2024-12 | |
| Ancient Free & Accepted Masons of Wyoming | 501(c)(10) | 1973 | $0 | $0 | 2025-06 | |
| Angelas Crown Foundation | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Another Chance Ministries | Crime and legal-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Apogee 307 Foundation | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Apollo Foundation Inc | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Architectural Education Foundation of Aia Wyoming | Education | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Be Kind | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Bellavita Foundation Inc | 501(c)(3) | 2026 | ||||
| Bethel Baptist Church | 501(c)(3) | 1955 | ||||
| Blessability Advocacy Inc | Civil rights, social action and advocacy | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Bob Galley Educational Foundation of Wyoming Association of Realtors | 501(c)(6) | 1987 | $0 | $0 | 2025-12 | |
| Boomtown Motocross | Recreation and sports | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Boys & Girls Clubs of America | 501(c)(3) | 1999 | ||||
| Bridge To Better Living Financial Advocacy Group Inc | Human services | 501(c)(3) | 2025 | |||
| Buck Off Bullying Inc | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2024-01 |
| CPL Jason Corbett Fallen Heroes Memorial | Education | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| CSSC Educational Charitable Trust | Recreation and sports | 501(c)(3) | 2022 | $17,326 | 2024-12 | |
| Calvary Baptist Church and Ministries | 501(c)(3) | 1978 | ||||
| Caras Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Carter Memorial Foundation | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Casper Alliance Church of the Christian and Missionary Alliance | 501(c)(3) | 1972 | ||||
| Casper Area Mountain Bike Youth Racing | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Casper Area Transportation Coalition Inc | Human services | 501(c)(3) | 1977 | $0 | $0 | 2025-06 |
| Casper Artists Collective | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Casper Autism Society | Diseases, disorders and medical disciplines | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Casper Balloon Roundup | Recreation and sports | 501(c)(3) | 2025 | |||
| Casper Carrying Kollins | Diseases, disorders and medical disciplines | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Casper Celtic Irish Festival | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Casper Christ United Methodist Church | 501(c)(3) | 1974 | ||||
| Casper Civic Chorale Inc | 501(c)(3) | 1974 | $0 | $0 | 2025-12 | |
| Casper Community Tennis Association | Recreation and sports | 501(c)(7) | 2011 | $0 | $0 | 2025-12 |
| Casper Community Tennis Foundation | Recreation and sports | 501(c)(3) | 2024 | |||
| Casper Crosshairs Baseball | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2022-12 |
| Casper Family Cooperative | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-04 |
| Casper Figure Skating Club Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-08 |
| Casper Firefighters Pipes & Drums | Public and societal benefit | 501(c)(3) | 2020 | $0 | $0 | 2023-03 |
| Casper Karma Yoga Festival | Arts, culture and humanities | 501(c)(3) | 2024 | |||
| Casper Midget Football Association Inc | 501(c)(3) | 1969 | $0 | $0 | 2023-03 | |
| Casper Mountain - Wildland Firefighters Fund | Public safety, disaster preparedness and relief | 501(c)(3) | 2021 | $0 | $0 | 2026-06 |
| Casper Mountain Pine Beetle Association | 501(c)(3) | 1982 | $0 | $0 | 2026-05 | |
| Casper Mountain Ski Patrol | Recreation and sports | 501(c)(3) | 2026 | |||
| Casper Mural Project | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-08 |
| Casper Nordic Club | Recreation and sports | 501(c)(4) | 2000 | $0 | $0 | 2025-08 |
| Casper Sports Alliance | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $10,878 | 2026-06 |
| Casper Theater Company | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Casper World War II Commemorative Association | Arts, culture and humanities | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Casper York Rite Bodies | Mutual and membership benefit | 501(c)(10) | 2014 | $0 | $0 | 2026-06 |
| Catalyze A Cure Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Catholic Daughters of America 1973 CT Patrician | 501(c)(3) | 1972 | ||||
| Catholic Laity and Clergy for Renewal Inc | Religion-related | 501(c)(3) | 2019 | $780,536 | 2025-12 | |
| Central Wyoming Chamber Foundation | Community improvement and capacity building | 501(c)(3) | 2022 | $0 | $1 | 2025-03 |
| Central Wyoming Model Railroad Association | Education | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Central Wyoming Spay & Neuter Foundation | Animal-related | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Christ Reformed Church | 501(c)(3) | 1970 | ||||
| Christian Solidartiy Worldwide-Usa | International, foreign affairs and national security | 501(c)(3) | 1999 | $0 | $0 | 2026-06 |
| Christs First Baptist Church of Casper Wyoming | 501(c)(3) | 1984 | ||||
| Church of God of Prophecy Bible Place | 501(c)(3) | 1969 | ||||
| City Park Church | 501(c)(3) | 1955 | ||||
| City Park Church of Casper Wy | Religion-related | 501(c)(3) | 2023 | |||
| Civic Duty Foundation | Civil rights, social action and advocacy | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Combat Veterans Motorcycle Association 36-1 | Public and societal benefit | 501(c)(19) | 2014 | $0 | $0 | 2025-12 |
| Commonwealth of Tezos Wyoming | Community improvement and capacity building | 501(c)(6) | 2019 | $0 | $0 | 2023-12 |
| Community Changemakers Inc | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Community Keys Project Inc | Housing and shelter | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Connect Rural America Inc | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-07 |
| Constitution Schools Inc | 501(c)(3) | 1988 | $0 | $0 | 2025-12 | |
| Construct and Conserve | Environment | 501(c)(3) | 2024 | |||
| Cops On Top Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Cornestone Evangelical Free Church of Casper Wyoming | 501(c)(3) | 1965 | ||||
| Cortez Cares Inc | Youth development | 501(c)(3) | 2025 | |||
| Cowboy Kids Cacfp Inc | Food, agriculture and nutrition | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Crime Stoppers of Central Wyoming | Crime and legal-related | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Crimson Dawn Association | 501(c)(3) | 1990 | $0 | $0 | 2025-12 | |
| Crossroads Ministries | 501(c)(3) | 1964 | ||||
| Cultivating Community and Wellness | 501(c)(3) | 2026 | ||||
| Darbis Gate Foundation | Health care | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Delta Kappa Gamma Society | 501(c)(6) | 1965 | $0 | $0 | 2026-06 | |
| Demolay International | Arts, culture and humanities | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Department of Wyoming VFW Auxiliary | Public and societal benefit | 501(c)(19) | 2011 | $0 | $0 | 2025-06 |
| Disabled American Veterans | 501(c)(4) | 1942 | $0 | $0 | 2025-12 | |
| Do More Good | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $349,589 | 2025-12 | |
| Dominican Starfish USA | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Double 4 Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2012 | $5 million | 2025-06 | |
| Douglas Board of Realtors | Community improvement and capacity building | 501(c)(6) | 2019 | $0 | $0 | 2024-12 |
| Eddington Foundation Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | $13,235 | 2025-12 | |
| Elevating Therapy Inc | Mental health and crisis intervention | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Embroiderers Guild of America Inc | 501(c)(3) | 1976 | ||||
| Empower Foundation | Medical research | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Energy Capital Chapter | Community improvement and capacity building | 501(c)(6) | 2013 | $0 | $0 | 2025-12 |
| Enrich Communities Inc | Public and societal benefit | 501(c)(3) | 2025 | |||
| Episcopal Diocese of Wyoming | 501(c)(3) | 1940 | 2012-12 | |||
| Evelynelaine | Health care | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Faith Assembly of God | 501(c)(3) | 1964 | ||||
| Faith Bible Chapel of Casper | 501(c)(3) | 1976 | ||||
| Faith Bible Chapel of Casper | 501(c)(3) | 1976 | ||||
| Feed307 | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Ferguson Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $99,568 | 2025-12 | |
| First Assembly of God | 501(c)(3) | 1964 | ||||
| First Christian Church | 501(c)(3) | 1951 | 1996-12 | |||
| First Presbyterian Church of Casper | 501(c)(3) | 1982 | ||||
| Fitness Fun Day | Education | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| Focused Giving | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $2.4 million | 2024-12 | |
| Fortuna Ledge Foundation | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fostering Hope Childrens Home | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-09 |
| Foundation for Fair Contracting of Wyoming | Employment | 501(c)(5) | 1999 | $0 | $1,384 | 2025-12 |
| Foundation for the Episcopal Diocese of Wyoming | Religion-related | 501(c)(3) | 2003 | |||
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2025-05 | |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2025-05 | |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2025-05 | |
| Fraternal Order of Police Lodge 6 Inc | 501(c)(8) | 2017 | $0 | $0 | 2025-12 | |
| Freeland Cemetery Association | Mutual and membership benefit | 501(c)(13) | 2023 | $0 | $0 | 2025-12 |
| Friends Of@fossil Fuels | Environment | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Friends of Community Action Partnership of Natrona County | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $0 | $0 | 2024-06 |
| Friends of Dallason Park | Recreation and sports | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Friends of Hogadon | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Friends of Natrona County Library | 501(c)(3) | 1971 | $0 | $0 | 2025-12 | |
| Friends of the Wyoming Veterans Museum | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Friscos Friends Ferret Rescue | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ft Caspar Parent-Teacher Organization | 501(c)(3) | 1987 | $0 | $0 | 2026-05 | |
| Full Plates Full Hearts | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2024-10 |
| Fuller Center for Housing Inc | Housing and shelter | 501(c)(3) | 2008 | |||
| Fund for Renewal | Religion-related | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Future Farmers of America | 501(c)(3) | 1945 | $0 | $0 | 2026-08 | |
| G William Hurley Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $2.5 million | 2025-12 | |
| Garden Creek Volleyball Club | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Gateway Ministries | Religion-related | 501(c)(3) | 1999 | |||
| George Fox Fund Inc | Religion-related | 501(c)(3) | 1984 | $0 | $0 | 2025-12 |
| Global Bright Futures Foundation in C | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Good Shepherd Lutheran Church | 501(c)(3) | 1961 | ||||
| Goodstein Foundation | 501(c)(3) | 1954 | $5.7 million | 2026-06 | ||
| Grace Chapel African Methodist Episcopal Church | 501(c)(3) | 1982 | ||||
| Grants House of Pits at Going Ranch | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2024-05 |
| Growing Stem Futures | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Guardians of the Children Wyoming | Crime and legal-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Harvest Fields Ministries | Religion-related | 501(c)(3) | 1996 | $0 | $0 | 2025-06 |
| Hawthorn Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $964,876 | 2026-06 | |
| Healthy Kingdom Family Movement | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Hebrew Roots Congregation of Casper | Religion-related | 501(c)(3) | 2010 | |||
| Hero | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Heros Legacy Rescue and Transport | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Hey Ministries | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| High Plains Nordic Ski Education Association | Recreation and sports | 501(c)(3) | 2025 | |||
| Highland Park Community Church Cody Campus | 501(c)(3) | 1960 | ||||
| His Outpouring Inc | Religion-related | 501(c)(3) | 2019 | |||
| Hogadon Night Skiing Project | Education | 501(c)(3) | 2019 | $165 | 2025-12 | |
| Homeschoolers of Wyoming | Education | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Hope Church | Religion-related | 501(c)(3) | 2003 | |||
| Hot Rod Hooligans Car Club | Mental health and crisis intervention | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| House of Refuge Ministries | Mental health and crisis intervention | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Iglesia Cristiana Pentecostes Fuent E de Vida Inc | Religion-related | 501(c)(3) | 2026 | |||
| Imitate the Image Ministries | Religion-related | 501(c)(3) | 1995 | |||
| Immediate Aid Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | |||
| Impact Wyoming | Public and societal benefit | 501(c)(3) | 2020 | $0 | $81 | 2024-12 |
| In Him Ministries of Casper Wyoming | 501(c)(3) | 1981 | ||||
| International Alliance Theatrical Stage Employees & Moving Picture M | 501(c)(5) | 1941 | $0 | $0 | 2025-12 | |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2026-06 | |
| International Foressics Association | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-05 |
| Irish Dance Association of Central Wyoming | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-07 |
| Isaac Cummings Family Association | Arts, culture and humanities | 501(c)(3) | 2007 | $30,331 | 2025-12 | |
| Its for the Children Foundation | Human services | 501(c)(3) | 2014 | $0 | $0 | 2026-08 |
| JC Bradley Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $1,936 | 2025-12 | |
| JRS Hunt for Life | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Jack & Jami Hardy Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $3,467 | 2025-12 | |
| Jackalope Foundation | Youth development | 501(c)(3) | 2025 | $4.2 million | 2025-12 | |
| Jeans Angel Fund Inc | Human services | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Jewish Community Association Ofcasper | Religion-related | 501(c)(3) | 2007 | |||
| Jim and Audrey Bailey Foundation | 501(c)(3) | 1991 | $2 million | 2024-12 | ||
| John P Ellbogen Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $61.2 million | 2024-12 | |
| KWHS Booster Club | Education | 501(c)(3) | 2025 | $71,732 | 2025-06 | |
| Kaiser Foundation Inc | 501(c)(3) | 1987 | $3.9 million | 2025-12 | ||
| Kindness Wyoming | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Kittens Without Mittens Rescue | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Kiwanis Club of Casper 307 | Community improvement and capacity building | 501(c)(4) | 2025 | $0 | $0 | 2025-09 |
| Knight Templar Apollo Commandery No 8 | Mutual and membership benefit | 501(c)(10) | 2014 | $0 | $0 | 2026-06 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| Korein Shriners Group Return | 501(c)(10) | 1940 | $0 | $0 | 2023-12 | |
| Learning Village Foundation | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Legacy Charities | Health care | 501(c)(3) | 2026 | |||
| Liberty Baptist Church | 501(c)(3) | 1983 | ||||
| Lifeline Global Corp | Human services | 501(c)(3) | 2025 | |||
| Lift Wyoming | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Lord of Lords Lutheran Church | 501(c)(3) | 1966 | ||||
| M E Tate Royalty Trust | 501(c)(3) | 2002 | $254,245 | 2025-12 | ||
| Margaretta Leavitt Trust | Education | 501(c)(3) | 2004 | $124,590 | 2025-12 | |
| Marine Corps League | 501(c)(4) | 1946 | $0 | $0 | 2025-06 | |
| Mary Bennion Foundation Inc | Health care | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Masonic Temple Association of Casper | 501(c)(2) | 1974 | $0 | $0 | 2025-12 | |
| Masterson Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $858,957 | 2025-08 | |
| McMurry Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $22 million | 2024-12 | |
| Milliken Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $500,440 | 2025-12 | |
| Missing People of Wyoming | Public safety, disaster preparedness and relief | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Mobilizing Civic Engagement Inc | Civil rights, social action and advocacy | 501(c)(3) | 2023 | $0 | $1 | 2023-12 |
| Moses Song Ministries | Religion-related | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Mount Hope Lutheran Church | 501(c)(3) | 1941 | ||||
| Murie Audubon Society | Environment | 501(c)(3) | 1970 | $0 | $0 | 2025-12 |
| NCHS Millennium Fund | Education | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| Nami-Casper | 501(c)(3) | 1985 | $0 | $0 | 2024-12 | |
| National Association of Housing & Redevelopment Officials | 501(c)(3) | 1989 | $0 | $0 | 2025-12 | |
| National Society United States Daughters of 1812 | 501(c)(3) | 1972 | $0 | $0 | 2025-12 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| Natrona Collective Health Trust | Health care | 501(c)(3) | 2021 | $288.3 million | 2024-12 | |
| Natrona Community Pioneer Association | Arts, culture and humanities | 501(c)(7) | 2004 | $0 | $0 | 2025-12 |
| Natrona County Child Protection Team | Human services | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Natrona County Historical Society | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2025-09 |
| Natrona County Master Gardeners | Environment | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Natrona County Nurse Honor Guard | Health care | 501(c)(4) | 2024 | $0 | $0 | 2026-02 |
| Natrona County Sheriff Cadets | Education | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Natrona County United Veterans Council | Public and societal benefit | 501(c)(19) | 2008 | $0 | $0 | 2025-12 |
| Natrona County Wool Growers Assc | 501(c)(6) | 1985 | $0 | $0 | 2024-11 | |
| Nehmiyahfoundationinc | Youth development | 501(c)(3) | 2025 | |||
| Neverforgoten77 | Mental health and crisis intervention | 501(c)(3) | 2019 | $0 | $0 | 2024-05 |
| New Day Soldiers | Diseases, disorders and medical disciplines | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Nicachange USA | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Noelani Respite Care Foundation | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| North American Lutheran Church | Religion-related | 501(c)(3) | 2014 | |||
| Oil City Fastpitch | Recreation and sports | 501(c)(3) | 2022 | $70,940 | 2025-12 | |
| Oit Principles Corp | Science and technology | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Opera Wyoming | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2024-06 |
| Orrs Hope Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $911,915 | 2025-06 | |
| Our Fathers House Ministries | 501(c)(3) | 1993 | ||||
| Our Saviours Lutheran Church | 501(c)(3) | 1987 | ||||
| PB Steam Inc | Science and technology | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Park Elementary Dli Student Trip | Education | 501(c)(3) | 2019 | $9,353 | 2025-12 | |
| Patricia Marie Foundation Corporation | Housing and shelter | 501(c)(3) | 2025 | |||
| Paws2help | Animal-related | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Platte Bridge Company | Education | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Platte River Judo | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Poverty Resistance Food Pantry | Food, agriculture and nutrition | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Powder River Prep Inc | Education | 501(c)(3) | 2025 | |||
| Powderhorn Foundation Inc | Religion-related | 501(c)(3) | 2025 | |||
| Presbytery of Wyoming | 501(c)(3) | 1964 | ||||
| Project Aruga Inc | Human services | 501(c)(3) | 2025 | |||
| Promise Hub Foundation | International, foreign affairs and national security | 501(c)(3) | 2026 | |||
| Psychiatry Philosophy & the Arts Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2010 | $243 | 2025-09 | |
| Ramps for Heroes | Public and societal benefit | 501(c)(3) | 2024 | |||
| Reading League Wyoming | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Reign Research Foundation | Science and technology | 501(c)(3) | 2026 | |||
| Rescue Rangers | Animal-related | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Restoration Church | Religion-related | 501(c)(3) | 2002 | |||
| Reva Foundation Limited | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Rising Phoenix Therapeutic Community & Rescue Center | Mental health and crisis intervention | 501(c)(3) | 2022 | $0 | $0 | 2025-09 |
| Road Runners Club of America | 501(c)(3) | 1976 | $0 | $0 | 2025-12 | |
| Road Runners Club of America | 501(c)(3) | 1976 | $0 | $0 | 2025-12 | |
| Rock the Block | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Royal Arch Masons of Wyoming | 501(c)(10) | 1973 | $0 | $0 | 2026-06 | |
| Royal Order of Jesters | 501(c)(10) | 1941 | $0 | $0 | 2025-12 | |
| Safari Club International | 501(c)(4) | $0 | $0 | 2025-12 | ||
| Saint Anthony Tri-Parish School Foundation | 501(c)(3) | 1946 | ||||
| Sean Nicholas Michael Shockey Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $427,435 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Shriners International | 501(c)(10) | 1940 | $0 | $0 | 2024-12 | |
| Sikhi Sidak Inc | Religion-related | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Smartcents Company | Education | 501(c)(3) | 2025 | |||
| Society for Preservation & Encourmt of Barbershop Quartet Singing Amer | 501(c)(3) | 1946 | $0 | $0 | 2025-12 | |
| Soil Conservation Society of America Wyoming Chapter | 501(c)(3) | 1971 | $0 | $0 | 2024-12 | |
| Soldiers of the Light | Religion-related | 501(c)(3) | 2009 | |||
| Souls Anchor Legacy Fund | Religion-related | 501(c)(3) | 2026 | |||
| Spiritual Assembly of the Bahais of Casper | 501(c)(3) | 1995 | ||||
| Stacy Marie True Memorial Trust | 501(c)(3) | 1978 | $486,612 | 2025-06 | ||
| Still Me Foundation | Human services | 501(c)(3) | 2025 | |||
| Strong Tower Family Church | Religion-related | 501(c)(3) | 2006 | |||
| Summitcares Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| TW Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $5.2 million | 2025-12 | |
| Tate Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $5 million | 2025-11 | |
| Teapot Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $3.5 million | 2024-12 | |
| The Alira Project | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| The Foundation for C A T C | Arts, culture and humanities | 501(c)(3) | 1988 | $0 | $0 | 2025-06 |
| The Joseph J Scott Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $4.4 million | 2024-12 | |
| The Martin Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $35.9 million | 2024-12 | |
| The Table | Religion-related | 501(c)(3) | 2015 | |||
| Theatre of the Poor | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Thrive Together Initiative Tti Corp | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1953 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1966 | $0 | $0 | 2025-12 | |
| Tops Club Inc | Health care | 501(c)(3) | 2008 | $0 | $0 | 2026-03 |
| Training Loving Companions | Animal-related | 501(c)(3) | 2025 | |||
| Tree of Life Church | Religion-related | 501(c)(3) | 2018 | |||
| Trinity Lutheran Church | 501(c)(3) | 1941 | 2011-12 | |||
| Trinkle Brass Works Inc | 501(c)(3) | 1986 | $0 | $0 | 2026-05 | |
| Troopers Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $251,227 | 2025-12 | |
| Trout Unlimited | 501(c)(3) | 1972 | $0 | $0 | 2026-03 | |
| Truecos Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $2.5 million | 2025-06 |
By cause in Casper, WY
- Education 43
- Recreation and sports 40
- Philanthropy, voluntarism and grantmaking foundations 35
- Religion-related 32
- Arts, culture and humanities 31
- Human services 31
- Youth development 21
- Public and societal benefit 19
- Community improvement and capacity building 19
- Mental health and crisis intervention 17
- Animal-related 16
- Housing and shelter 14
- Health care 12
- Food, agriculture and nutrition 12
- Environment 11
- Diseases, disorders and medical disciplines 9
- Public safety, disaster preparedness and relief 7
- Mutual and membership benefit 6
- Civil rights, social action and advocacy 5
- Crime and legal-related 5
- Science and technology 5
- Medical research 4
- Employment 4
Nonprofits in every city of the state
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.