Mutual & Membership Benefit nonprofits in Delaware

Mutual & Membership Benefit nonprofits in Delaware. Browse 140 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. 10 Newark Chapter

    EIN 516016383 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  2. 50 Club of Delaware Inc

    EIN 332067988 · Headquarters: Middletown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Alpha Eta Chapter of Phi Sigma Pi

    EIN 332797980 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. American Board of Prolotherapy Inc

    EIN 510316005 · Headquarters: middletown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. American Society of Professional Estimators Delaware Chapter

    EIN 510391447 · Headquarters: Greenville, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Ancient Free & Accepted Masons of Delaware

    EIN 237097768 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Ancient Free & Accepted Masons of Delaware

    EIN 237208925 · Headquarters: Dover, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Ancient Free & Accepted Masons of Delaware

    EIN 237208929 · Headquarters: Ellendale, DE, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Ancient Free & Accepted Masons of Delaware

    EIN 237208930 · Headquarters: Milton, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. Ancient Free & Accepted Masons of Delaware

    EIN 237208931 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Ancient Free & Accepted Masons of Delaware

    EIN 237208932 · Headquarters: Millsboro, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Ancient Free & Accepted Masons of Delaware

    EIN 237208935 · Headquarters: Georgetown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Ancient Free & Accepted Masons of Delaware

    EIN 237208936 · Headquarters: Bear, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Ancient Free & Accepted Masons of Delaware

    EIN 237208940 · Headquarters: Milton, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. Ancient Free & Accepted Masons of Delaware

    EIN 237208944 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  16. Ancient Free & Accepted Masons of Delaware

    EIN 237208945 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Ancient Free & Accepted Masons of Delaware

    EIN 237405276 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. Ancient Free & Accepted Masons of Delaware

    EIN 510230545 · Headquarters: Dover, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Ancient Free & Accepted Masons of Delaware

    EIN 510295170 · Headquarters: Milford, DE, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Ancient Free & Accepted Masons of Delaware

    EIN 516016051 · Headquarters: Townsend, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. Ancient Free & Accepted Masons of Delaware

    EIN 516016165 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. Ancient Free and Accepted Masons of Delaware

    EIN 237128585 · Headquarters: Seaford, DE, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. Ancient Free and Accepted Masons of Delaware

    EIN 237208927 · Headquarters: Townsend, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Ancient Free and Accepted Masons of Delaware

    EIN 237208933 · Headquarters: Smyrna, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Ancient Free and Accepted Masons of Delaware

    EIN 237208941 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Ancient Free and Accepted Masons of Delaware

    EIN 237208942 · Headquarters: Selbyville, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Ancient Free and Accepted Masons of Delaware

    EIN 237208946 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Ancient Free and Accepted Masons of Delaware

    EIN 237208948 · Headquarters: Georgetown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Ancient Free and Accepted Masons of Delaware

    EIN 237209593 · Headquarters: Wyoming, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Ancient Free and Accepted Masons of Delaware

    EIN 237272420 · Headquarters: Milford, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Ancient Free and Accepted Masons of Delaware

    EIN 237416510 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Ancient Free and Accepted Masons of Delaware

    EIN 510036706 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  33. Ancient Free and Accepted Masons of Delaware

    EIN 510225303 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  34. Ancient Free and Accepted Masons of Delaware

    EIN 516015847 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Ancient Free and Accepted Masons of Delaware

    EIN 516021287 · Headquarters: New Castle, DE, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Ancient Order of Hibernians in America

    EIN 454356248 · Headquarters: Millville, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Art Fusion

    EIN 272114937 · Headquarters: WILMINGTON, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Ascenso

    EIN 413639848 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Astrazeneca Veba Trust Agreement for Retiree Health Benefits

    EIN 616287564 · Headquarters: WILMINGTON, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Auxiliary of the United Transportation Union

    EIN 522187838 · Headquarters: Laurel, DE, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. Bac Local 1- Depa Welfare Trust

    EIN 516015919 · Headquarters: WILMINGTON, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990

  42. Bethel Cemetery Association

    EIN 842869145 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Bethel Cemetery Association Inc

    EIN 526054195 · Headquarters: Seaford, DE, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  44. Bethel Methodist Cemetery Inc

    EIN 731729520 · Headquarters: LEWES, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Bryn Zion Cemetery Inc

    EIN 510276076 · Headquarters: SMYRNA, DE, US · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. Cathay Inc

    EIN 510394919 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  47. Centennial Lodge No 221 a F & a M Holding Corporation

    EIN 237591280 · Headquarters: Delmar, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Cio Civic Association

    EIN 134258278 · Headquarters: New Castle, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Confers Inc

    EIN 921121917 · Headquarters: DOVER, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Cornerstone Community Center

    EIN 863066808 · Headquarters: Bridgeville, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Daimler Chrysler Employee Benefit Trust

    EIN 382668328 · Headquarters: NEWARK, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  52. Delmarva Ufcw Health and Welfare Fund

    EIN 510080049 · Headquarters: MILLSBORO, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

  53. Duck Creek Cemetery Group Inc

    EIN 883706937 · Headquarters: SMYRNA, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Ellendale and New Market Cemeteries Inc

    EIN 412065015 · Headquarters: Milton, DE, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. Fraternal Order of Eagles

    EIN 270936617 · Headquarters: OCEAN VIEW, DE, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Fraternal Order of Eagles

    EIN 310913754 · Headquarters: newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. Fraternal Order of Police

    EIN 273022492 · Headquarters: Laurel, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. Fraternal Order of Police

    EIN 510344207 · Headquarters: Seaford, DE, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  59. Fraternal Order of Police

    EIN 510405640 · Headquarters: Milford, DE, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Friends of Pigeon Run Cemetery

    EIN 842624790 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Friends of the Mounted Patrol New C

    EIN 863659411 · Headquarters: HOCKESSIN, DE, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Georgetown Cemetery Inc

    EIN 300352697 · Headquarters: DOVER, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Guest House Inc Welfare Benefit Trust

    EIN 383059800 · Headquarters: NEWARK, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990

  64. Health and Welfare Benefits Trust for Mafmc Employees and Retirees

    EIN 461602484 · Headquarters: DOVER, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Hillside Memorial Park Trust

    EIN 826643982 · Headquarters: WILMINGTON, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Hollywood Cemetery Company Inc

    EIN 454483813 · Headquarters: Harrington, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  67. Holy Angels Council No 12104 Knights of Columbus

    EIN 522072762 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Ibew Local 313-Neca Labor Management Cooperation Committee

    EIN 456178932 · Headquarters: NEW CASTLE, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Improved Order of Red Men Degree of Pocahontas of New Jersey Great

    EIN 237537938 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Independent Online Booksellers Association

    EIN 471456003 · Headquarters: Lewes, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Independent Order of Odd Fellows

    EIN 232355995 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  72. Independent Order of Odd Fellows

    EIN 237167316 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Independent Order of Odd Fellows

    EIN 237601978 · Headquarters: Felton, DE, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  74. Independent Order of Odd Fellows

    EIN 237601982 · Headquarters: Laurel, DE, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  75. Independent Order of Odd Fellows

    EIN 237608029 · Headquarters: Dover, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  76. Independent Order of Odd Fellows

    EIN 510025543 · Headquarters: LAUREL, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990

  77. Independent Order of Odd Fellows

    EIN 510270522 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  78. Independent Order of Odd Fellows

    EIN 510274097 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  79. Independent Order of Odd Fellows

    EIN 510288273 · Headquarters: Dover, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. Independent Order of Odd Fellows

    EIN 510364202 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  81. Independent Order of Odd Fellows

    EIN 516015934 · Headquarters: Newark, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Independent Order of Odd Fellows

    EIN 516016373 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  83. Independent Order of Odd Fellows

    EIN 516016381 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Independent Order of Odd Fellows

    EIN 911850462 · Headquarters: Hockessin, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Independent Order of Odd Fellows

    EIN 911851135 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  86. Independent Order of Oddfellows 53 Ms Enc

    EIN 236432066 · Headquarters: HARRINGTON, DE, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  87. Ingalls Health System Malpractice And

    EIN 366935067 · Headquarters: NEWARK, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990

  88. Ironworkers Local 451 Vacation Fund

    EIN 611597033 · Headquarters: WILMINGTON, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Jenkintown True Blue

    EIN 237353408 · Headquarters: WILMINGTON, DE, US · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Knights of Columbus

    EIN 010945973 · Headquarters: Millsboro, DE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Knights of Columbus

    EIN 222438056 · Headquarters: Hockessin, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Knights of Columbus

    EIN 222662040 · Headquarters: Wilmington, DE, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  93. Knights of Columbus

    EIN 237106688 · Headquarters: Middletown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. Knights of Columbus

    EIN 237541441 · Headquarters: New Castle, DE, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  95. Knights of Columbus

    EIN 352339300 · Headquarters: BEAR, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Knights of Columbus

    EIN 454933784 · Headquarters: CLAYMONT, DE, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  97. Knights of Columbus

    EIN 455004106 · Headquarters: Claymont, DE, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  98. Knights Templar of the United States of America

    EIN 237143900 · Headquarters: Georgetown, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Ladies of Dover Lodge No 1903 of B P O E Inc

    EIN 510341683 · Headquarters: Dover, DE, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Lafayette Lodge 14 AF & AM

    EIN 237208934 · Headquarters: Wilmington, DE, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

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