Data / Nonprofits / California / San Diego / Mutual and membership benefit
Mutual and membership benefit nonprofits in San Diego, CA: 56 registered with the IRS
56 mutual and membership benefit nonprofits are registered with the IRS in San Diego, CA, 10 of them 501(c)(3) charities; the 30 that report revenue took in $354.8 million. The largest by revenue: California Institute of Technology Retiree Medical Plan JPL Veba Trust ($75.5 million), San Diego City Employees Retiree Medical Trust ($63.3 million), Udw Afscme Local 3930 Riverside County Benefits Trust ($62.6 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|
| California Institute of Technology Retiree Medical Plan JPL Veba Trust | 501(c)(9) | 2017 | $75.5 million | $491.3 million | 2024-12 |
| San Diego City Employees Retiree Medical Trust | 501(c)(9) | 2013 | $63.3 million | $288.8 million | 2025-03 |
| Udw Afscme Local 3930 Riverside County Benefits Trust | 501(c)(9) | 2016 | $62.6 million | $39 million | 2024-12 |
| United Domestic Workers Benefits Trust | 501(c)(9) | 2007 | $47.4 million | $20.3 million | 2024-12 |
| Udw Afscme 3930 San Diego Health and Benefits Trust | 501(c)(9) | 2012 | $40.1 million | $15.2 million | 2024-12 |
| Sheet Metal Workers Local 206 Health Benefit Trust | 501(c)(9) | 2014 | $18.8 million | $25.1 million | 2025-12 |
| Restaurant Industry Health and Welfare Trust Fund | 501(c)(9) | 2014 | $9.1 million | $1.3 million | 2024-12 |
| San Diego Associated General Contractors Vacation Sick Pay Trust F | 501(c)(9) | 2017 | $5.6 million | $1.6 million | 2025-06 |
| Udw Afscme Local 3930 Imperial County Benefits | 501(c)(9) | 2021 | $4.7 million | $2.7 million | 2024-12 |
| San Diego Gas & Electric Company Post-6 30 2008 Union Retiree Welfa | 501(c)(9) | 2010 | $4.3 million | $72.7 million | 2024-12 |
| San Diego Unified School Dist & S D Edn Association Joint Retiree Med Ben Trust | 501(c)(9) | 2000 | $3.9 million | $12.9 million | 2025-12 |
| San Diego County Public Safety Retiree Medical Trust | 501(c)(9) | 2014 | $3.9 million | $33.9 million | 2024-12 |
| TC Construction Company Inc Health and Welfare Ins Trust | 501(c)(9) | 2019 | $3.5 million | $1.2 million | 2024-12 |
| Escondido Educators Retirement Supplementary Benefits Trust | 501(c)(9) | 2005 | $2.2 million | $12.2 million | 2025-06 |
| Udw Afscme 3930 Placer County Health and Benefits Fund | 501(c)(9) | 2014 | $2 million | $1.7 million | 2024-12 |
| Udw Afscme Local 3930 Stanislaus Benefits Trust | 501(c)(9) | 2016 | $1.9 million | $271,355 | 2024-12 |
| Udw Afscme Local 3930 Santa Barbara County Benefits | 501(c)(9) | 2021 | $1.4 million | $1 million | 2024-12 |
| Udw Afscme Local 3930 San Luis Obispo County Benefits Trust | 501(c)(9) | 2018 | $894,176 | $996,046 | 2024-12 |
| TC Construction Company Inc Vacation and Sick Pay Trust | 501(c)(9) | 2020 | $698,639 | $74,296 | 2024-12 |
| United Domestic Workers Afscme Local 3930 El Dorado City Benefits | 501(c)(9) | 2014 | $694,598 | $819,465 | 2024-12 |
| California Construction Insurance Trust Welfare Benefit Plan | 501(c)(9) | 2002 | $613,034 | $250,305 | 2024-12 |
| Neca-Ibew Drug-Free Workforce Trust | 501(c)(9) | 2005 | $530,184 | $2.2 million | 2025-09 |
| Udw Afscme Local 3930 Sutter County Benefits | 501(c)(9) | 2022 | $402,018 | $320,095 | 2024-12 |
| San Diego Cnty Regional Airport Auth 2ND Gen Retiree Veba Trust | 501(c)(9) | 2013 | $280,492 | $2.3 million | 2025-12 |
| Sdsu Foundation Health Veba Trust for Post Ret Health Care Benefits | 501(c)(9) | 1999 | $249,843 | $18.1 million | 2025-12 |
| American Council of Hypnotist Examiners Inc | 501(c)(6) | 2015 | $125,733 | $430,189 | 2025-12 |
| San Diego Creative Investors Association Inc | 501(c)(6) | 2014 | $116,816 | $156,693 | 2025-12 |
| Mission Bay Real Estate Association Inc | 501(c)(6) | 2020 | $95,447 | $75,478 | 2025-12 |
| North American Collection Agency Regulatory Association | 501(c)(6) | 2017 | $31,990 | $64,131 | 2025-06 |
| Herencia Hispana San Diego | 501(c)(3) | 2018 | $31,799 | $1 | 2024-12 |
| Al Bahr Shriners | 501(c)(10) | 1940 | $0 | $0 | 2025-12 |
| Areaa Greater Tampa Bay | 501(c)(6) | 2020 | $0 | $0 | 2025-02 |
| Breathe United Incorporated | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| British American Business Council San Diego | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
| Calvary Chapel Mountain Fellowship | 501(c)(3) | 2001 | | | |
| El Rey Beer Club | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Emerging Workforce Association | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Fairfield Fairways LP | 501(c)(25) | 2017 | | | |
| Finnish-American Chamber of Commerce San Diego California Chap | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Irish American Bar Association of San Diego | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-06 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-06 |
| Ministry Healthplan Trust | 501(c)(9) | 2023 | | | |
| Pacific Southwest Chapter of the American Medical Writers Associati | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Pan Pacific Law Enforcement Association | 501(c)(3) | 2000 | $0 | $0 | 2024-03 |
| Repo Alliance Inc | 501(c)(4) | 2025 | | | |
| San Antonians of San Diego County Incorporated | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Sheet Metal Workers Retirees and Outreach Club | 501(c)(9) | 2014 | $0 | $0 | 2025-12 |
| Solidarity Makes A Difference | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sorrento Valley Town Council | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Spark Bio | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Udw Afscme Local 3930 Butte County Benefits Trust | 501(c)(9) | 2025 | | | |
| United Domestic Workers Kern County Benefits Trust | 501(c)(9) | 2007 | $0 | $0 | 2025-12 |
| Zeta Phi Beta Sorority Incorporated Mu Sigma Zeta Chapter | 501(c)(7) | 2022 | $0 | $0 | 2025-06 |
Other causes in San Diego, CA
Every nonprofit in San Diego, CA · 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.