Mutual & Membership Benefit nonprofits in California

Mutual & Membership Benefit nonprofits in California. Browse 2,396 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Mason and Anna Morfit Foundation

    EIN 453239331 · Headquarters: LOS ANGELES, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  2. Masonic Hall Association Incorporated

    EIN 270642618 · Headquarters: Shasta, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Masonic Temple Association of Fallbrook

    EIN 237124089 · Headquarters: Fallbrook, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Masonic Temple Association of Nevada City

    EIN 237104895 · Headquarters: NEVADA CITY, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Matheson Trucking Inc Service Contract Act Employee Welfare Benefits Trust

    EIN 476840437 · Headquarters: SACRAMENTO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990

  6. Meadows Mobile Home Owners Assoc

    EIN 953332809 · Headquarters: Irvine, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Medical Expense Reimbursement Plan of the Burbank Employees Retiree Medical Trust

    EIN 016231970 · Headquarters: LOS ANGELES, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Medical Staff of Coast Plaza Hospital

    EIN 383914097 · Headquarters: Norwalk, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990

  9. Medical Staff of San Antonio Regional Hospital

    EIN 844886146 · Headquarters: Upland, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Meetings Assessment Partnership

    EIN 990692129 · Headquarters: NEWPORT BEACH, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Melita Heights Mutual Water Company

    EIN 942789487 · Headquarters: Santa Rosa, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Mendocino Encampment No 420

    EIN 471738671 · Headquarters: Point Arena, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Merced Co Hispanic Chamber of Commerce

    EIN 770198049 · Headquarters: MERCED, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Michael C Wong Md Medical Corp

    EIN 953786536 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  15. Micop Properties

    EIN 931524344 · Headquarters: OXNARD, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Mid-Coast Veterans Alliance Inc

    EIN 472942966 · Headquarters: Santa Maria, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Mid-coast Veterinary Medical Association

    EIN 237091440 · Headquarters: Pismo Beach, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Midway City Mutual Water Company

    EIN 951004475 · Headquarters: WESTMINSTER, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Mil Potrero Mutual Water Company

    EIN 741686600 · Headquarters: Frazier Park, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Military Deli & Bakery Services Employee Benefit Tr

    EIN 456677000 · Headquarters: RCH CUCAMONGA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

  21. Military Order of the Cootie of the United States

    EIN 237277911 · Headquarters: Canoga Park, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. Military Order of the Cootie of the United States

    EIN 510193482 · Headquarters: Santa Clara, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  23. Military Order of the Cootie of the United States

    EIN 510194672 · Headquarters: Paramount, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Military Order of the Cootie of the United States

    EIN 611572220 · Headquarters: Huntington Beach, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Military Order of the Cootie of the United States

    EIN 943128246 · Headquarters: Redding, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Military Order of the Cootie of the United States

    EIN 943460801 · Headquarters: Santee, CA, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Military Order of the Cootie of the Untied States Supreme Pup Tent

    EIN 942309264 · Headquarters: atwater, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  28. Military Order of the Cootie of the Us Supreme Pup Tent

    EIN 953498981 · Headquarters: Canoga Park, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Military Order of the Louse Supreme Hut

    EIN 680437323 · Headquarters: W SACRAMENTO, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  30. Milky Way Water Company

    EIN 823952121 · Headquarters: Aptos, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Mill CreekLassen Mutual Water Company

    EIN 010852515 · Headquarters: NAPA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Millies Inc

    EIN 311743321 · Headquarters: Brea, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  33. Millwright Labor-management Cooperation Committee

    EIN 462929476 · Headquarters: ONTARIO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Milpitas Police Officers Association Benefits Trust

    EIN 776167026 · Headquarters: Hayward, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Milton Road Water Company

    EIN 471526351 · Headquarters: Napa, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ministerio Del Reino Inc

    EIN 263767787 · Headquarters: Norwalk, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  37. Ministry Employee Benefits Trust

    EIN 352200244 · Headquarters: Escondido, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990

  38. Mission Bay Real Estate Association Inc

    EIN 952319672 · Headquarters: SAN DIEGO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Mission Small Business Association

    EIN 263208999 · Headquarters: SAN FRANCISCO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  40. Mission Street Lot Trust Ioof of San Francisco

    EIN 946079700 · Headquarters: SANTA CRUZ, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Mission Viejo Elks Ladies

    EIN 822007165 · Headquarters: Mission Viejo, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Misti Washington Gourd and Basket Guild

    EIN 851397389 · Headquarters: El Cajon, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. MMM West Inc

    EIN 812707764 · Headquarters: San Francisco, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Mobile Satellite Services Association

    EIN 991335197 · Headquarters: SAN RAMON, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Modern Woodmen of America

    EIN 201172409 · Headquarters: Fair Oaks, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  46. Modern Woodmen of America

    EIN 431971113 · Headquarters: Orangevale, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Modesto Cemetery Association

    EIN 940689440 · Headquarters: MODESTO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  48. Modesto Chapter 479 Women of the Moose

    EIN 942632462 · Headquarters: Modesto, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Modesto Independent Insurance Agents Association

    EIN 237412698 · Headquarters: Modesto, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  50. Molino Masonic Hall Association

    EIN 800176773 · Headquarters: Los Molinos, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Monfric Inc Employee Benefit Plan

    EIN 953756748 · Headquarters: SAN DIEGO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  52. Mongolian Business Council of Los Angeles

    EIN 934540474 · Headquarters: PASADENA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Monrovia Columbian Club

    EIN 956079691 · Headquarters: MONROVIA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Monrovia Masonic Building Corporation

    EIN 950980442 · Headquarters: San Francisco, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  55. Monrovia Police Association Retiree Medical Reimbursement Plan & Trust

    EIN 957003558 · Headquarters: MONROVIA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Monterey Bay Associattion of Life Underwriters

    EIN 946102839 · Headquarters: Capitola, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. Monterey Bay Public Employees H&w Plan

    EIN 770217858 · Headquarters: DUBLIN, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990

  58. Monterey County Hospitality Association Health and Welfare Trust

    EIN 817122045 · Headquarters: SAN DIEGO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990

  59. Monterey Moose Chapter 630 Women of the Moose

    EIN 237149991 · Headquarters: SEASIDE, CA, US · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Monterey Peninsula Restaurant &

    EIN 941316350 · Headquarters: PACIFIC GROVE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990

  61. Moon Mountain Winegrowers Association

    EIN 990373185 · Headquarters: Sonoma, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Moraga-orinda Professional Firefighter Association

    EIN 475352045 · Headquarters: ORINDA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Morro Bay Mutual Water Company

    EIN 770518563 · Headquarters: Morro Bay, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California

    EIN 942484746 · Headquarters: Oakland, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  65. Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California

    EIN 942484844 · Headquarters: Richmond, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  66. Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California

    EIN 953229513 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  67. Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California

    EIN 953229517 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  68. Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California

    EIN 953231420 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. Most Worshipful Hiram of Tyre Grand Lodge Af&am State of California

    EIN 953231422 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. Most Worshipful Prince Hall Grand Ldg F Am State of California Inc

    EIN 237517606 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. Most Worshipful Prince Hall Grand Lodge F&am State of California

    EIN 680470889 · Headquarters: Oakland, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  72. Mount Pleasant Cemetery Association

    EIN 680329683 · Headquarters: Cohasset, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Mu Delta Fraternity

    EIN 821563776 · Headquarters: Goleta, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. Murphys Masonic Temple Association

    EIN 680192198 · Headquarters: murphys, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  75. Muslim Cemetery of Northern Ca

    EIN 800014772 · Headquarters: LIVE OAK, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Mustang Mutual Water Company

    EIN 953611498 · Headquarters: Bakersfield, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  77. Mustang Springs Mutual Water Company

    EIN 770524450 · Headquarters: Paso Robles, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Mustang Valley Mutual Water Co

    EIN 680025449 · Headquarters: GRASS VALLEY, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Mw John a Bell Sovereign Grand Lodge Af&am for the United States

    EIN 030452494 · Headquarters: Palmdale, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Myers Marsh Mutual Water Company

    EIN 942822460 · Headquarters: LOS ALTOS, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Mystic Order of Veiled Prophets of Enchanted Realm

    EIN 237535661 · Headquarters: San Jose, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. Mystical City of God Ministry

    EIN 010904793 · Headquarters: Hemet, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Napwc Health Insurance Trust Fund

    EIN 207056147 · Headquarters: SAN DIEGO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  84. National Active and Retired Federal Employees

    EIN 261908988 · Headquarters: tehachapi, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. National Alliance of Nonprofits for Insurance Inc

    EIN 061555321 · Headquarters: SANTA CRUZ, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. National Assoc of Ins and Fin Advisor Central Valley

    EIN 946173404 · Headquarters: LODI, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  87. National Association of Government Technology Alliance Partners

    EIN 882854482 · Headquarters: Fair Oaks, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Association of Insurance and Financial Advisors-inland Emp

    EIN 330156719 · Headquarters: Corona, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. National Association of Insurance Women

    EIN 274196692 · Headquarters: Palm Desert, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  90. National Association of Insurance Women

    EIN 510151891 · Headquarters: Stockton, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  91. National Association of Insurance Women

    EIN 510228648 · Headquarters: Ventura, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  92. National Association of Insurance Women

    EIN 912057933 · Headquarters: Oakland, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. National Association of Insurance Women

    EIN 942586602 · Headquarters: Santa Rosa, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  94. National Association of Insurance Women

    EIN 942673709 · Headquarters: San Leandro, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  95. National Association of Insurance Women

    EIN 943183162 · Headquarters: Pleasanton, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. National Association of Insurance Women

    EIN 946107722 · Headquarters: Sunnyvale, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  97. National Association of Insurance Women

    EIN 946138970 · Headquarters: Loomis, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  98. National Association of Insurance Women

    EIN 946187849 · Headquarters: Pleasant Hill, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  99. National Association of Insurance Women

    EIN 953103048 · Headquarters: GOLETA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  100. National Association of Insurance Women

    EIN 954476027 · Headquarters: Studio City, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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