Mutual & Membership Benefit nonprofits in Connecticut

Mutual & Membership Benefit nonprofits in Connecticut. Browse 477 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. Most Worshipful Prince Hall of Free and Accepted Masons of Connecticut

    EIN 061418270 · Headquarters: Bridgeport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. Mountain Grove Cemetery-easton Inc

    EIN 061605949 · Headquarters: BRIDGEPORT, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Mountain View Cemetery Inc

    EIN 061305479 · Headquarters: SHERMAN, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Msgr James F Murphy Council 4716

    EIN 237106651 · Headquarters: Bridgeport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Mystic Order of Veiled Prophets of Enchanted Realm

    EIN 237535657 · Headquarters: Waterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  6. Nailandspa Ct Association Inc

    EIN 463942775 · Headquarters: ORANGE, CT, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  7. National Association of Insurance Women

    EIN 066069277 · Headquarters: Wallingford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. National Association of Insurance Women

    EIN 066108600 · Headquarters: Bethel, CT, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  9. National Association of Insurance Women

    EIN 066108601 · Headquarters: Fairfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. National Association of Insurance Women

    EIN 731327864 · Headquarters: East Haddam, CT, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. National Association of Insurance Women International

    EIN 066063542 · Headquarters: Fairfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  12. National Volumetric Mixer Association Inc

    EIN 061578382 · Headquarters: MIDDLETOWN, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  13. Neca-ibew Union No 35 Health Fund

    EIN 066037823 · Headquarters: WALLINGFORD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  14. New Hartford Village Cemetery

    EIN 066023988 · Headquarters: New Hartford, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. New Haven Beth Israel Cemetery Assn Inc

    EIN 262822549 · Headquarters: SHELTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. New Haven Chapter of Rose Croix Aasr Masonry Nmj

    EIN 066050337 · Headquarters: NEW HAVEN, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990

  17. New Mexico Health Connections Co Risk & Regulatory Consulting Llc

    EIN 451294709 · Headquarters: FARMINGTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. New York State Electric & Gas Corporation Post-retirement Medical Plan

    EIN 142013396 · Headquarters: ORANGE, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Nipsic Cemetery Association Inc

    EIN 060608740 · Headquarters: Glastonbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. North Branford Fraternal Order of Police Lodge 40

    EIN 853609468 · Headquarters: NORTHFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. North Madison West Side Cemetery

    EIN 300875381 · Headquarters: Madison, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Northeast Transportation Co Inc Voluntary Employees' Beneficiary Trust

    EIN 061526749 · Headquarters: WATERBURY, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Northville Cemetery Association

    EIN 222488800 · Headquarters: NEW MILFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Norwalk Cemetery Association

    EIN 066047376 · Headquarters: STRATFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Norwalk Dental Society

    EIN 061333761 · Headquarters: Norwalk, CT, US · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  26. Nut Plains Cemetery Association of Guilford

    EIN 061301419 · Headquarters: GUILFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Nutmeg Chapel No 29

    EIN 822462990 · Headquarters: Middletown, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Nutmeg Order 106 Sword of Bunker Hill Inc

    EIN 222535954 · Headquarters: MANCHESTER, CT, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  29. Old Burial Yard of Thirty Mile Island Inc

    EIN 814656610 · Headquarters: HIGGANUM, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Old Saybrook Riverside Cemetery Assoc In

    EIN 066038363 · Headquarters: OLD SAYBROOK, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Old Well Masonic Company Inc

    EIN 066035220 · Headquarters: NORWALK, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. 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

  33. Order of Ahepa Chapter No 117

    EIN 237566091 · Headquarters: NEW BRITAIN, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Order of Eastern Star Connecticut

    EIN 237126118 · Headquarters: Branford Center, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Order of Runeberg Supreme Lodge

    EIN 910563434 · Headquarters: Guilford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  36. Order of the Alhambra

    EIN 237505653 · Headquarters: Stratford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  37. Order of the Amaranth Inc Supreme Council

    EIN 237614041 · Headquarters: Shelton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Order of the Amaranth Inc Supreme Council

    EIN 237614052 · Headquarters: Canterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Order of the Eastern Star Inc of Connecticut

    EIN 060944085 · Headquarters: Meridan, CT, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  40. Order of the Eastern Star Inc of Connecticut

    EIN 222806978 · Headquarters: Danbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. Order of the Eastern Star Inc of Connecticut

    EIN 237126122 · Headquarters: Newington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. Order of the Eastern Star Inc of Connecticut

    EIN 237126124 · Headquarters: Baltic, CT, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  43. Order of the Eastern Star Inc of Connecticut

    EIN 237128241 · Headquarters: Terryville, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  44. Order of the Eastern Star Inc of Connecticut

    EIN 237128253 · Headquarters: Amston, CT, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Order of the Eastern Star Inc of Connecticut

    EIN 237128260 · Headquarters: Ellington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  46. Order of the Eastern Star Inc of Connecticut

    EIN 237128268 · Headquarters: Simsbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  47. Order of the Eastern Star Inc of Connecticut

    EIN 237128275 · Headquarters: Wallingford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  48. Order of the Eastern Star Inc of Connecticut

    EIN 237128277 · Headquarters: New Haven, CT, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Order of the Eastern Star Inc of Connecticut

    EIN 237128282 · Headquarters: East Lyme, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  50. Order of the Eastern Star Inc of Connecticut

    EIN 237128287 · Headquarters: WATERBURY, CT, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Order of the Eastern Star Inc of Connecticut

    EIN 237134283 · Headquarters: Columbia, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. Order of the Eastern Star Inc of Connecticut

    EIN 237539135 · Headquarters: Torrington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. Order of the Eastern Star Inc of Connecticut

    EIN 237539140 · Headquarters: Canterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  54. Order of the Eastern Star Inc of Connecticut

    EIN 273731895 · Headquarters: Wallingford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Order of the White Shrine of Jerusalem

    EIN 066065798 · Headquarters: Coventry, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  56. Order of the White Shrine of Jerusalem

    EIN 237514182 · Headquarters: Coventry, CT, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  57. Oregon's Health Co-op

    EIN 453321455 · Headquarters: FARMINGTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Oriental Lodge No 6 Free & Accepted Masons Prince Hall Incorporated

    EIN 237636189 · Headquarters: New Haven, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Ormont Unit 69 American Legion Auxiliary Portland Connecticut

    EIN 352374591 · Headquarters: Portland, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Our Saviors Cemetery Inc

    EIN 451861428 · Headquarters: Granby, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Palmer Cemetery Association

    EIN 237132829 · Headquarters: PRESTON, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Pancretan Association of America E Venizelos Chapter of Connecticut

    EIN 112763908 · Headquarters: HARTFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  63. Park Cemetery Assn

    EIN 060485030 · Headquarters: Bridgeport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. Park City Fraternal Order of Police Lodge 29 Inc

    EIN 320095956 · Headquarters: Bridgeport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Pcu Idaho Ssn 799 Cpoa

    EIN 990721229 · Headquarters: Marlborough, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Pine Meadow Cemetery Association

    EIN 571229964 · Headquarters: NEW HARTFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Plainfield Grave Guardians Association Inc

    EIN 854354486 · Headquarters: PLAINFIELD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Polish Army Veterans Association of America Inc

    EIN 066071260 · Headquarters: New Britain, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. Pomfret Cemetery Corporation

    EIN 066073998 · Headquarters: Pomfret Center, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Pomfret Street Cemetery Association Incorporated

    EIN 383805359 · Headquarters: POMFRET CENTER, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Ponemah Cemetery Association

    EIN 464504699 · Headquarters: Colchester, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Portland Burying Ground Associ

    EIN 066061242 · Headquarters: PORTLAND, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Potter Memorial Inc

    EIN 872729528 · Headquarters: Pawcatuck, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Professional Association of Athlete Development Specialists Inc

    EIN 450997821 · Headquarters: WEST HARTFORD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Putnam Lodge of Elks #574

    EIN 060258938 · Headquarters: Putnam, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Ramstein Lodge No 30 Order of Hermann Sons of the State of Ct

    EIN 933156694 · Headquarters: Berlin, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Raytheon Welfare Benefits Trust

    EIN 752547072 · Headquarters: FARMINGTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Rediscovering History Inc

    EIN 863085549 · Headquarters: Columbia, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Rev J C Martin Council No 3901 Knights of Columbus

    EIN 237142441 · Headquarters: EAST HARTFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ridgefield Cemetery Association

    EIN 066047679 · Headquarters: Ridgefield, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Ridgefield Ladies Golf Association

    EIN 061619535 · Headquarters: Danbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Ridgefield Professional Fire Fighters Local 1739 Veba Trust Fund

    EIN 455138898 · Headquarters: Ridgefield, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Riverside Cemetery Association Norwalk Inc

    EIN 854382687 · Headquarters: NORWALK, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Rockville Lodge No 1574 Loyal Order of Moose

    EIN 060433710 · Headquarters: ROCKVILLE, CT, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  85. Rotary Club of Meriden

    EIN 066049117 · Headquarters: Meriden, CT, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Rowayton Union Cemetery Association

    EIN 223202054 · Headquarters: Rowayton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Roxbury Cemetery of Stamford Inc

    EIN 066072061 · Headquarters: stamford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  88. Royal & Select Masters of Connecticut

    EIN 237123380 · Headquarters: Brookfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Royal & Select Masters of Rhode Island

    EIN 473373128 · Headquarters: Stonington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Royal and Select Masters of Connect Icut

    EIN 237123377 · Headquarters: New Haven, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Royal and Select Masters of Connectictut

    EIN 237217352 · Headquarters: MILFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. Royal and Select Masters of Connecticu

    EIN 237123386 · Headquarters: Brookfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  93. Royal and Select Masters of Connecticut

    EIN 237337159 · Headquarters: Clinton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. Royal and Select Masters of Conneticut

    EIN 223221128 · Headquarters: Trumbull, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. Royal Arch Mason of Connecticut

    EIN 237119361 · Headquarters: MILFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. Royal Arch Masons 23 Eureka Chapter

    EIN 066057944 · Headquarters: Brookfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  97. Royal Arch Masons of Connecticut

    EIN 237119340 · Headquarters: Ellington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. Royal Arch Masons of Connecticut

    EIN 237119345 · Headquarters: Cheshire, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. Royalandselectmastersofconnecticut

    EIN 237108833 · Headquarters: STRATFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  100. Sellecks Corners Cemetery Association Inc

    EIN 066051213 · Headquarters: New Canaan, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

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