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Data / Nonprofits / Wyoming / Mutual and membership benefit

Mutual and membership benefit nonprofits in Wyoming: 45 registered with the IRS

45 mutual and membership benefit nonprofits are registered with the IRS in Wyoming, 8 of them 501(c)(3) charities; the 15 that report revenue took in $7.4 million. The most are in Casper (6), Cheyenne (5), Sheridan (4). The largest by revenue: Wyoming Credit Union Ins Trust ($4.9 million), Water for Wildlife Foundation ($431,634), Scottish Rite Foundation of Wyoming ($373,335).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCityTypeSinceRevenueAssetsFiling
Wyoming Credit Union Ins TrustCasper501(c)(9)2007$4.9 million$5.2 million2025-12
Water for Wildlife FoundationLander501(c)(3)1975$431,634$1.3 million2025-12
Scottish Rite Foundation of WyomingMills501(c)(3)1979$373,335$6.4 million2025-12
Young Presidents OrganizationJackson501(c)(10)2020$355,966$392,6892025-06
Conroy Building AssociationCasper501(c)(12)2000$256,550$332,4192025-12
Old Baldy Water & Sewer CompanySaratoga501(c)(12)2019$213,959$514,1742025-12
Casper Shooters ClubCasper501(c)(4)2019$170,167$221,3162024-12
Fraternal Order of EaglesRock Springs501(c)(8)1991$148,716$902,9452025-05
Nine Mile Water and Sewer DistrictLaramie501(c)(3)1999$121,076$126,5982025-06
Wyoming Ground Water AssociationRock Springs501(c)(5)2014$96,173$194,4332024-12
Fraternal Order of EaglesSheridan501(c)(8)1991$85,810$86,4382025-05
Charture InstituteJackson501(c)(3)2016$78,721$180,1652024-12
Fraternal Order of EaglesWorland501(c)(8)1991$64,778$55,2122024-05
Lucerne Canal and Power CompanyLingle501(c)(12)2025$47,722$40,2702025-12
Wyoming Sugar TrampsWorland501(c)(3)2024$24,793$14,6952023-12
7 CreeksSaratoga501(c)(12)2024$0$02025-12
Blacks Fork Canal CompanyLyman501(c)(12)2011$0$02025-12
Casper York Rite BodiesCasper501(c)(10)2014$0$02026-06
Cheyenne Knights of Pythias Lodge 122Cheyenne501(c)(10)2023$0$02025-12
Fraternal Order of EagelsLaramie501(c)(8)1991$0$02025-05
Freeland Cemetery AssociationCasper501(c)(13)2023$0$02025-12
Johnson Holt Ditch IncBuffalo501(c)(12)2022$0$02025-12
Knight Templar Apollo Commandery No 8Casper501(c)(10)2014$0$02026-06
Knights Templar of the United States of AmericaThermopolis501(c)(10)1964$0$02025-12
Knights Templar of the United States of AmericaSheridan501(c)(10)1964$0$02026-06
Knights Templar of the United States of AmericaCody501(c)(10)1964$0$02025-06
Knights of ColumbusGreen River501(c)(8)1940$0$02025-12
Last Chance Ditch CompanySheridan501(c)(12)2000$0$02025-12
Masons OfthermopolisThermopolis501(c)(10)2025$0$02026-06
Mountain View Cemetery AssociationEncampment501(c)(13)2023$0$02025-12
Muchmore Family AssociationCheyenne501(c)(3)2023$5,0612024-12
Neff Irrigation AssociationCody501(c)(5)2015$0$02025-12
Nez Perce Irrigation AssociationCody501(c)(12)2023$0$02025-12
North Fork Valley Ditch CoWapiti501(c)(12)2021$0$02026-02
Old Dalton Ditch Users Group IncStory501(c)(12)2019$0$02025-12
Powder River Basin Chapter Society for Human Resource ManagementGillette501(c)(6)2010$0$02025-12
Serb National FederationRiverton501(c)(8)1986$0$02025-12
Sheridan Elks Cemetery IncSheridan501(c)(13)2019$0$02025-03
South Pass Historical Lodge No 1869Lander501(c)(10)2024$0$02025-12
Southwest Pipe Line CompanySmoot501(c)(12)2025$0$02025-12
The Mead Lake FoundationBuffalo501(c)(3)2021$23,0992025-12
Unit Activity FundCheyenne501(c)(3)2017$0$02025-12
Usmc CommitteePowell501(c)(19)2014$0$02023-12
Wyoming Coalition for A Healthy RetirementCheyenne501(c)(4)2026$0$02025-12
Wyoming Gaming and Entertainment AssociationCheyenne501(c)(6)2022$0$02025-12

Every nonprofit in Wyoming

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.