Unknown & Unclassified nonprofits in Massachusetts

Unknown & Unclassified nonprofits in Massachusetts. Browse 12,299 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. Orleans Yacht Clubinc

    EIN 042102842 · Headquarters: ORLEANS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Orthodox Christian Educational Society Inc

    EIN 042695241 · Headquarters: West Brookfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Orthopedic Scientific and Educational Trust

    EIN 042767813 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  4. Oscar Miller Family Private Foundation

    EIN 650460358 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Oscar Romero House Inc

    EIN 454745438 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Oscar Smith Mitchell American Legion Post 140 Inc

    EIN 046189453 · Headquarters: Hull, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Osterville Free Library Corporation

    EIN 042128454 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Osterville Historical Society Inc

    EIN 046113382 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Osterville Mens Club

    EIN 237059706 · Headquarters: CENTERVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Osterville Veterans Association Inc

    EIN 042077326 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Otis Civilian Advisory Council Inc

    EIN 042965649 · Headquarters: Falmouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Otis Fish & Game Club Inc

    EIN 061836143 · Headquarters: Otis Ang Base, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. Otis Library Inc

    EIN 046382917 · Headquarters: OTIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Otis Rescue Squad Inc

    EIN 510201186 · Headquarters: OTIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Our Community First Action Inc

    EIN 993511630 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Our Fathers Table Inc

    EIN 043031827 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Our Grateful Garden

    EIN 874824320 · Headquarters: NORWELL, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Our Lady's Haven of Fairhaven Inc

    EIN 042106632 · Headquarters: FAIRHAVEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Our Revolution-Massachusetts Inc

    EIN 821097522 · Headquarters: Wayland, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Our Sister and Brothers Keeper Inc

    EIN 822002618 · Headquarters: ABINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  21. Our Teens Our Schools Inc

    EIN 800628105 · Headquarters: Revere, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  22. Out of the Basement

    EIN 320777606 · Headquarters: CHELSEA, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Outdoor Amusement Business Association

    EIN 411236025 · Headquarters: WEST SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Outer Cape Health Services Inc

    EIN 042509828 · Headquarters: HARWICH PORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Outlets for Hope Inc

    EIN 831633045 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Over-thirty Baseball Inc

    EIN 043249399 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Overseas Chinese American Entrepreneurs Association Inc

    EIN 854272459 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  28. Owl Club

    EIN 041696700 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Oxford High School Booster Club Inc

    EIN 043248172 · Headquarters: OXFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Oxford Youth Soccer Association Inc

    EIN 205702016 · Headquarters: NORTH OXFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Oyster Harbors Club Inc

    EIN 042026125 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Oyster River Hills Association Inc

    EIN 237046596 · Headquarters: West Chatham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. P a C E New England Inc

    EIN 812071522 · Headquarters: NORTH ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. PACE - People Acting In Community Endeavors

    EIN 042777810 · Headquarters: New Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Pace Community Housing Corporation

    EIN 223208703 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Packard Manse

    EIN 042236039 · Headquarters: STOUGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Painted Rock Micro Farms Inc

    EIN 852450887 · Headquarters: MEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  38. Painters Afl-cio Local 691

    EIN 041839441 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Painters and Allied Trades Dc #35 Allied Trades District Council #35

    EIN 041699540 · Headquarters: ROSLINDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Painters District Council No 35 Health Benefits Fund

    EIN 042150983 · Headquarters: ROSLINDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Painting & Finishing Employers Association of New England Inc

    EIN 237129570 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Pakachoag Acres Day Care Centerinc

    EIN 042635069 · Headquarters: AUBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Pakistan Association of Greater Boston Inc

    EIN 043176291 · Headquarters: Dover, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Palmer Cove Yacht Club Inc

    EIN 041700347 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Palmer Foundry Employees Union

    EIN 042768260 · Headquarters: Palmer, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Palmer High School Tennis Team

    EIN 271485165 · Headquarters: PALMER, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Palmer Kickers' Soccer Association Inc

    EIN 042931635 · Headquarters: PALMER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Palmer Knights of Columbus 376 Building Association

    EIN 046056394 · Headquarters: Palmer, MA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. Pampi and Lore for Education Social Change and the Arts

    EIN 800848482 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Pan-Mass Challenge

    EIN 042746912 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Pancretan Association of America

    EIN 112763905 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Pancretan Association of America

    EIN 237641161 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Pancretan Association of America

    EIN 237641365 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Pancretan Association of America

    EIN 237641366 · Headquarters: SOMERVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Panepirotic Federation of America

    EIN 237138155 · Headquarters: WESTBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Paper City Post 325 American Legion Inc

    EIN 042389311 · Headquarters: HOLYOKE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Paperboard Packaging Council

    EIN 526072363 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Paradise on Earth Inc

    EIN 042914629 · Headquarters: worchester, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  59. Paralyzed Veterans of America New England Chapter

    EIN 046112881 · Headquarters: WEST ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Parent Booster USA Inc

    EIN 352939191 · Headquarters: Westwood, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Parent Booster USA Inc

    EIN 394475578 · Headquarters: Lynn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Parent Booster USA Inc

    EIN 395045713 · Headquarters: Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Parent Booster USA Inc

    EIN 395061131 · Headquarters: Acton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Parent Booster USA Inc

    EIN 412944931 · Headquarters: Hyannis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Parent Booster USA Inc

    EIN 471768084 · Headquarters: Brookline, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Parent Booster USA Inc

    EIN 810739668 · Headquarters: Walpole, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  67. Parent Booster USA Inc

    EIN 813044457 · Headquarters: Boxford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Parent Booster USA Inc

    EIN 813144040 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. Parent Booster USA Inc

    EIN 831107308 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Parent Booster USA Inc

    EIN 883311323 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Parent Booster USA Inc

    EIN 921182777 · Headquarters: Easthampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Parent Booster USA Inc

    EIN 933265290 · Headquarters: Burlington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Parent Booster USA Inc

    EIN 933455469 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Parents Families & Friends of Lesb- Ians &Gays Inc Pflag Greater Boston

    EIN 043272394 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Parents Forum Inc

    EIN 043135867 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Parents of Murdered Children

    EIN 900792949 · Headquarters: Buzzards Bay, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Parents Rights Coalition Inc

    EIN 043271722 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Parents' Nursery School

    EIN 042169655 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Paris Fashion Instituteinc

    EIN 042708869 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  80. Paris Street Community Council Inc

    EIN 042764692 · Headquarters: EAST BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Parish Center of Sl Inc

    EIN 042922950 · Headquarters: DRACUT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Park Spirit of Worcester Inc

    EIN 042985201 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Parkway Baseball League Inc

    EIN 383861052 · Headquarters: West Roxbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Parkway Concert Orchestra Inc

    EIN 042887293 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Parkway Youth Hockey Inc

    EIN 237131752 · Headquarters: West Roxbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Parkway Youth Soccer League Inc

    EIN 222606738 · Headquarters: WEST ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Parkwood Beach Association Inc

    EIN 042835478 · Headquarters: Wareham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Partners for a Healthier Community Inc

    EIN 043342182 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Partners for Community

    EIN 043397486 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Partners for Health

    EIN 271372396 · Headquarters: Brighton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Partners for Youth with Disabilities Inc

    EIN 222627798 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Partners In Democracy

    EIN 881812080 · Headquarters: FOXBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Partners in Patriotism Fund

    EIN 472510546 · Headquarters: FOXBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Partnership for Financial Equity Inc

    EIN 043093735 · Headquarters: READVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. Pascommuck Conservation Trust Inc

    EIN 042777082 · Headquarters: EASTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Paskamansett Bird Club

    EIN 990765937 · Headquarters: Dartmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Pastel Painters Society of Cape Cod Inc

    EIN 043303630 · Headquarters: Barnstable, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Pathlight Inc

    EIN 042210685 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Pathways Adult Education & Training Inc

    EIN 042679573 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Pathways for Change Inc

    EIN 042734584 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

First page and all pages