Data / Nonprofits / Missouri / Saint Charles / Mutual and membership benefit
Mutual and membership benefit nonprofits in Saint Charles, MO: 4 registered with the IRS
4 mutual and membership benefit nonprofits are registered with the IRS in Saint Charles, MO, 1 of them 501(c)(3) charities; the 2 that report revenue took in $1.5 million. The largest by revenue: Cottleville Fire Protection District Veba Health Savings Trust ($1.4 million), Iota Mu Chapter of Theta Chi Fraternity Alumni Corporation ($96,804).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Cottleville Fire Protection District Veba Health Savings Trust | 501(c)(9) | 2020 | $1.4 million | $7.6 million | 2025-12 |
| Iota Mu Chapter of Theta Chi Fraternity Alumni Corporation | 501(c)(7) | 2018 | $96,804 | $3.5 million | 2025-06 |
| Central Region Umpires for Womens Lacrosse Association | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Usw Local Union 11 531 | 501(c)(5) | 2022 | $0 | $0 | 2024-12 |
Other causes in Saint Charles, MO
- Religion-related 60
- Human services 53
- Recreation and sports 48
- Education 43
- Arts, culture and humanities 37
- Philanthropy, voluntarism and grantmaking foundations 33
- Youth development 16
- Health care 15
- Community improvement and capacity building 15
- Animal-related 12
- Mental health and crisis intervention 12
- Public and societal benefit 11
- Housing and shelter 8
- Food, agriculture and nutrition 7
- Employment 6
- Environment 5
- Diseases, disorders and medical disciplines 5
- International, foreign affairs and national security 5
- Public safety, disaster preparedness and relief 4
- Civil rights, social action and advocacy 4
- Medical research 3
Every nonprofit in Saint Charles, MO · Mutual and membership benefit nonprofits across the state · 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.