Mutual & Membership Benefit nonprofits

Mutual & Membership Benefit nonprofits. Browse 38,861 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. Oliver Cemetery Association

    EIN 261338590 · Headquarters: VAN BUREN, AR, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Oliver Cemetery Trust Term

    EIN 716091084 · Headquarters: Searcy, AR, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Oliver Manufacturing Company Inc Employee Welfare Fund Plan And

    EIN 840897602 · Headquarters: Rocky Ford, CO, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  4. Olivet Cemetary Association Inc

    EIN 611989892 · Headquarters: Pavilion, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Olivet Masonic Temple Association

    EIN 946102900 · Headquarters: Corning, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990

  6. Olivet Methodist Cemetery Fund

    EIN 205286721 · Headquarters: MAYSVILLE, KY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Olivia Cemetery Association

    EIN 742700731 · Headquarters: Port Lavaca, TX, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Olympia Cemetery Association

    EIN 570646062 · Headquarters: COLUMBIA, SC, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Olympian Brothehood of America Olympos

    EIN 521313961 · Headquarters: Baltimore, MD, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  10. Olympic Valley Public Service District Trust

    EIN 301287849 · Headquarters: Olympic Valley, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Omaha Chapter of the Society of Crtd Prop & Casualty Underwriters

    EIN 476047025 · Headquarters: Omaha, NE, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  12. Omaha Firefighters Healthcare Trust

    EIN 475235322 · Headquarters: OMAHA, NE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Oman Temple No 72 Ancient Egyptian Arabic Order Nobles of the Mystic

    EIN 237536510 · Headquarters: Flint, MI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Omc Burial Park Association

    EIN 270091820 · Headquarters: SILVERTON, OR, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Omega Charitable Foundation of Omaha

    EIN 461007780 · Headquarters: Omaha, NE, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Omega Men of Horry County

    EIN 812425412 · Headquarters: Myrtle Beach, SC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Omega Psi Phi Fraternity

    EIN 461186786 · Headquarters: Portsmouth, VA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Omega Psi Phi Fraternity

    EIN 566060851 · Headquarters: Oxford, NC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Omega Psi Phi Fraternity

    EIN 582591435 · Headquarters: Lawrenceville, GA, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. Omega Psi Phi Fraternity

    EIN 726033329 · Headquarters: New Iberia, LA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Omega Psi Phi Fraternity

    EIN 800836921 · Headquarters: Olive Branch, MS, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Omega Psi Phi Fraternity Inc

    EIN 464307354 · Headquarters: APG, MD, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Omega Shriners Temple of Florida Inc

    EIN 871547383 · Headquarters: Miami Gardens, FL, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Omicron Alpha Lambda Foundation

    EIN 472203395 · Headquarters: STAFFORD, VA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Omicron Epsilon Lambda Foundation

    EIN 311569181 · Headquarters: Corpus Christi, TX, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Omicron Kappa Upsilon-honorary Dental Society

    EIN 956133461 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Omicron Omega Chapter Iota Phi Theta Fraternity Inc

    EIN 263486350 · Headquarters: Chesterfield, VA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Omicron Omicronchapter Omega Psi Phi Fraternity Inc

    EIN 811030275 · Headquarters: Port Orange, FL, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Omicron Zeta Sigma

    EIN 994780539 · Headquarters: Woodbridge, VA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Omni Fundraising Inc

    EIN 412997525 · Headquarters: Woodward, OK, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Omni Glass and Paint Inc Veba Health Savings Trust

    EIN 264828146 · Headquarters: Oshkosh, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Omnicare Inc Voluntary

    EIN 311701508 · Headquarters: CINCINNATI, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  33. Omnitrade Health Trust

    EIN 276838771 · Headquarters: MUKILTEO, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. On Purpose Inc

    EIN 593605161 · Headquarters: Winter Garden, FL, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Onalaska Volunteer Firefighters Association

    EIN 861307377 · Headquarters: ONALASKA, WA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Onamac Maintenance Association

    EIN 911434935 · Headquarters: STANWOOD, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. One Call Locates Inc

    EIN 721331083 · Headquarters: BATON ROUGE, LA, USA · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990

  38. ONE Gas Inc VEBA Master Trust for Collective Bargaining Unit Former Employe Es

    EIN 562542479 · Headquarters: TULSA, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. One-calls of America Inc Veba Trust

    EIN 316562320 · Headquarters: NORTH JACKSON, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. One-calls Psf Voluntary Employee Benefit Plan

    EIN 810992451 · Headquarters: NORTH JACKSON, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  41. ONEOK Inc Employees Retiree Medical Trust II

    EIN 276030717 · Headquarters: TULSA, OK, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Oneonta Cemetery Beautification Society Incorp

    EIN 630373494 · Headquarters: Oneonta, AL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Onesquethaw Union Cemetery

    EIN 141738663 · Headquarters: Selkirk, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Onesubsea Group Welfare Benefits Trust

    EIN 932735419 · Headquarters: HOUSTON, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Onevoice4freedom

    EIN 465609723 · Headquarters: WESTERVILLE, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Onks Cemetery

    EIN 621817821 · Headquarters: Johnson City, TN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Ontario Cemetery Association

    EIN 376031941 · Headquarters: Woodhull, IL, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Ontario Fire Fighters Local 1430 Retiree Healthcare Savings Trust

    EIN 810696905 · Headquarters: ONTARIO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Ontario Lodge No 345 of the Independent Order of Odd Fellows

    EIN 237594359 · Headquarters: Ontario, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Onteora Cemetery Association Incorporated

    EIN 471867235 · Headquarters: TANNERSVILLE, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Ontonagon Evergreen Cemetery Association Inc

    EIN 571173207 · Headquarters: Mass City, MI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Onyx Acquisition LLC C/O JP MORGAN INVESTMENT MANAGEMENT INC

    EIN 462117424 · Headquarters: NEW YORK, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990

  53. Oou Alumni North America Chapter

    EIN 475105823 · Headquarters: Chicago, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Opdahl Farm Mutual Insurance Co

    EIN 460173784 · Headquarters: CASTLEWOOD, SD, USA · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990

  55. Opdal Cemetery Association

    EIN 833641815 · Headquarters: SACRED HEART, MN, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Opeiu Local 98 Veba Trust

    EIN 311262618 · Headquarters: Cincinnati, OH, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Open Gate Cemetery Association

    EIN 416037439 · Headquarters: Osseo, MN, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Open Source Collective

    EIN 822037583 · Headquarters: COVINA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Opengate Inn Inc C/o Mark Germagian

    EIN 833865388 · Headquarters: HARVARD, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  60. Operating Engineers Local 112 Health & Welfare Trust

    EIN 261382332 · Headquarters: ANDERSON, IN, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Operating Engineers Local Union No 3 Vacation and Holiday Pay Plan

    EIN 946169594 · Headquarters: ALAMEDA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  62. Operating Engineers Local Union No 3 Vacation Holiday and Sick Pay Trust Fund

    EIN 816631261 · Headquarters: ALAMEDA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Operating Engineers Public and Misc Employees Health and Welfare Trust Fund

    EIN 942567865 · Headquarters: Alameda, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Operation Firm Handshake Inc

    EIN 833098546 · Headquarters: LOST CREEK, WV, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Operation Relief Inc

    EIN 454277285 · Headquarters: Midway, GA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  66. Operative Plaster & Cement Masons International Association

    EIN 720276386 · Headquarters: NEW ORLEANS, LA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  67. Operative Plasterers' & Cement Masons'

    EIN 237307587 · Headquarters: PEORIA, IL, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  68. Operative Plasters & Cement Masons Intl Association Local 262 Welfare Fund

    EIN 112478917 · Headquarters: ROCKVILLE CENTRE, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  69. Operative Plasters and Cement Masons Local 132

    EIN 061802193 · Headquarters: Ironton, OH, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Operator Qualification Integrity Process

    EIN 851542705 · Headquarters: Plano, TX, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Ophthalmic Consultants of Boston Inc Health Welfare & Benefits Plan

    EIN 611433916 · Headquarters: WALTHAM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Oppd Post 12-31-07 Employees Med Tr

    EIN 262492164 · Headquarters: OMAHA, NE, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Opportunity Cemetery Association

    EIN 910517988 · Headquarters: Spokane, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  74. Opportunity Cemetery Endowment Care Fund

    EIN 916059598 · Headquarters: Spokane, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  75. OPTA OPSRP Benefit Trust Fund

    EIN 207444380 · Headquarters: West Seneca, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Optimist Club Of Arroyo Grande

    EIN 237455475 · Headquarters: Arroyo Grande, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  77. Optimist Club of Lexington Ne Inc

    EIN 470618919 · Headquarters: LEXINGTON, NE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Optimist Club of West Pembroke Pines Inc

    EIN 650434706 · Headquarters: Hollywood, FL, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Optimist International

    EIN 237305572 · Headquarters: New York Mills, NY, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Optimist International

    EIN 391719383 · Headquarters: JANESVILLE, WI, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Optimist International 24313 Breakfast Oc of Putnam County

    EIN 341687665 · Headquarters: OTTAWA, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Optimus Steel Llc Beaumont Texas Retiree Health Benefit Plan

    EIN 827024084 · Headquarters: PITTSBURGH, PA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Oquirrh Mountain Water Company

    EIN 870631290 · Headquarters: LAKE POINT, UT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Or Shalom Bisc Cemetery Assn Inc

    EIN 061502287 · Headquarters: ORANGE, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Orange County Electrical Industry Health

    EIN 956041108 · Headquarters: rockville, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990

  86. Orange County Employees Association Health and Welfare Trust

    EIN 330660405 · Headquarters: SANTA ANA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Orange County Professional Firefighters Association Group Benefit Plan

    EIN 336216448 · Headquarters: TUSTIN, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Orange County Training Managers Association Corp

    EIN 872021164 · Headquarters: Orange, CA, US · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Orange Glen High School Football Booster Club

    EIN 812112629 · Headquarters: Escondido, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Orange Hill Cemetery Restoration Association Inc

    EIN 371582713 · Headquarters: TAMPA, FL, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Orange Pba Local #89 Inc

    EIN 223153289 · Headquarters: ORANGE, NJ, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Orange Valley Lodge 13

    EIN 237517573 · Headquarters: Riverside, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Orangefield Water Supply Corporation

    EIN 760461747 · Headquarters: ORANGEFIELD, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Orangeport Union Cemetery Association

    EIN 160773548 · Headquarters: Gasport, NY, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  95. Orbis Cascade Alliance Veba Health Savings Trust

    EIN 832245520 · Headquarters: Eugene, OR, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Orchard Grove Community Water Association

    EIN 916055875 · Headquarters: Maple Valley, WA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Orchard Mesa Canal Company

    EIN 742546339 · Headquarters: Duchesne, UT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Orchard Park Water Users Association

    EIN 841309727 · Headquarters: Avondale, CO, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Orchid Awareness & Education Group

    EIN 660885661 · Headquarters: Christiansted, VI, VQ · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Orden Francmasonica Universal Inc

    EIN 462545794 · Headquarters: Houston, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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