Nonprofits in Waltham, Massachusetts

Nonprofits in Waltham, Massachusetts. Browse 565 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. National Affordable Housing Foundation Taunton Inc

    EIN 043274975 · Headquarters: WALTHAM, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. National Biomedical Research Foundation Inc

    EIN 131926374 · Headquarters: WALTHAM, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. National Center for Jewish Film

    EIN 042764044 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. National Center on Adoption and Permanency Inc

    EIN 473149506 · Headquarters: Waltham, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Multiple Sclerosis Society Greater New England Chapter

    EIN 042178884 · Headquarters: WALTHAM, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  6. Neighbors Who Care Inc

    EIN 134244456 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. Nelson Memorial ApartmentsFirst Lutheran Church

    EIN 042631775 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Nepali Class Boston Corporation

    EIN 991515912 · Headquarters: Waltham, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. New England Assoc for Healthcare Phil C/o the Center for Assoc Management

    EIN 042761974 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. New England Development Research Association Inc

    EIN 042971962 · Headquarters: WALTHAM, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. New England Diabetes and Endocrinology Research Fund Inc

    EIN 222575193 · Headquarters: Waltham, MA, US · Medical Research · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. New England Donor Services

    EIN 237024479 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. New England Donor Services

    EIN 813650975 · Headquarters: Waltham, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. New England Harmony Brigade of SPEBSQSA

    EIN 454246311 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. New England Healthcare Exchange Network Inc

    EIN 270479458 · Headquarters: WALTHAM, MA, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990

  16. New England Model Engineering Society Inc

    EIN 043442880 · Headquarters: Waltham, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. New England Motion Picture and Television Producers Association

    EIN 271017680 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. New England Ophthalmological Society Inc

    EIN 222852977 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. New England Orthopedic Society Inc

    EIN 223208191 · Headquarters: WALTHAM, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. New England Otolaryngological Society

    EIN 454275395 · Headquarters: WALTHAM, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. New England Ugandan Muslim Society

    EIN 833156439 · Headquarters: Waltham, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. New Harmony Line Inc

    EIN 471986166 · Headquarters: Waltham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Newton Community Chorus Inc

    EIN 222717129 · Headquarters: Waltham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Next Gen 16 Addington Road Inc

    EIN 274001571 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Next Gen 17 Melton Road Inc

    EIN 260455250 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Next Gen 8 Corinne Road Inc

    EIN 204393337 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Next Generation Housing Foundation Inc

    EIN 753188132 · Headquarters: Waltham, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Nitas Kids Foundation Inc

    EIN 465037831 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Nkiima Foundation Inc

    EIN 880757099 · Headquarters: WALTHAM, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. No to More Casinos

    EIN 814201737 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  31. Noel's Dream Bully Rescue Inc

    EIN 831945890 · Headquarters: WALTHAM, MA, USA · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  32. Nonprofit VOTE Inc

    EIN 204568862 · Headquarters: Waltham, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Norfolk District Medical Society Educational Fund Inc

    EIN 237120689 · Headquarters: WALTHAM, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. North Atlantic Regional Business Law Association

    EIN 800570990 · Headquarters: Waltham, MA, US · Crime & Legal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Northeast Elementary Parent-teacher Organization

    EIN 844222452 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Nuova Associazione San Donato VC

    EIN 473257129 · Headquarters: Waltham, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  37. Oakpoint Charitable Foundation

    EIN 821895023 · Headquarters: Waltham, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Omicron Delta Epsilon Internatioanl Honor Society in Economics Inc

    EIN 742592896 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  39. 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

  40. Opportunities for Inclusion Inc

    EIN 042441728 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Organization of Action for the Developement of Fond Des Negres

    EIN 270354825 · Headquarters: Waltham, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  42. OSIA Charitable & Educational Trust

    EIN 046190445 · Headquarters: Waltham, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Our Generation Speaks Inc

    EIN 831059970 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Pacific Renal Care Foundation

    EIN 204243308 · Headquarters: WALTHAM, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Parent Booster USA Inc

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

  46. Parents Education Foundation Inc

    EIN 710893782 · Headquarters: WALTHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. 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

  48. Parents Rights Coalition Inc

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

  49. Paul & Phyllis Fireman Charitable Foundation

    EIN 222677986 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Paul A Mitchell Foundation

    EIN 933757599 · Headquarters: Waltham, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Paul Logue Charitable Foundation Inc

    EIN 461091698 · Headquarters: WALTHAM, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Paul Tracey 16 Memorial Foundation

    EIN 334131320 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Pearl Danforth Inc C/o Argent Wealth Management Llc

    EIN 043305989 · Headquarters: WALTHAM, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990

  54. Pediatric Foundation of Massachusetts Inc

    EIN 300586101 · Headquarters: WALTHAM, MA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  55. Pedigastro Research Foundation Inc

    EIN 222954901 · Headquarters: Waltham, MA, US · Medical Research · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  56. Peter Manzon Scholarship Corp

    EIN 850811863 · Headquarters: WALTHAM, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Phi Kappa Psi Fraternity

    EIN 043510343 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  58. Photographic Historical Society of New England Inc

    EIN 042594139 · Headquarters: Waltham, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Physician Health Services Inc

    EIN 223234975 · Headquarters: WALTHAM, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Piety Corner Club

    EIN 041727915 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Pilot Scholarships Inc

    EIN 203743800 · Headquarters: WALTHAM, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. Planned Giving Group of New England

    EIN 042767452 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Plympton School Parent Teacher Organization

    EIN 562303744 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Privitere Family Charitable Foundation

    EIN 043493854 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  65. Professional Liability Foundation Ltd

    EIN 043267680 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Proprietors of the Burnett Burial Park

    EIN 042581472 · Headquarters: Waltham, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Prospect Hill Community Foundation Inc

    EIN 371775440 · Headquarters: Waltham, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Proteus Action League

    EIN 223888268 · Headquarters: WALTHAM, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Proteus Fund Inc

    EIN 043243004 · Headquarters: WALTHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Psi Chi the International Honor Society in Psychology

    EIN 043145735 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Radio Uganda Boston Boston Inc

    EIN 883448318 · Headquarters: Waltham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. REACH Beyond Domestic Violence

    EIN 042735449 · Headquarters: Waltham, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Reagle Music Theatre of Greater Boston Inc

    EIN 510213270 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Recovery Homes Collaborative Inc CO Robert Mills Middlesex Hum Serv

    EIN 043207044 · Headquarters: Waltham, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Rediscovery Inc

    EIN 043554291 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990

  76. Refrigeration Service Engineers Society

    EIN 046117059 · Headquarters: Waltham, MA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Refugee Projects Inc

    EIN 881582302 · Headquarters: Waltham, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Rett Syndrome Association of Massachusetts Inc

    EIN 043583648 · Headquarters: WALTHAM, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  79. Revere Can Do Better

    EIN 814078880 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  80. Revive In Action Inc

    EIN 872753434 · Headquarters: Waltham, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Revvity Foundation F/k/a Perkinelmer Foundation

    EIN 042683042 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Rexhame Beach Community Association

    EIN 222993643 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Right to Immigration Institute Inc

    EIN 814220881 · Headquarters: Waltham, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Rise and Read International Inc

    EIN 392305335 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Road Runners Club of America

    EIN 454304872 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Robert Treat Paine Historical Trust

    EIN 223095451 · Headquarters: WALTHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  87. Rosalyn and Richard Slifka Charitable Trust

    EIN 046560021 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Rotary Club of Waltham Massinc

    EIN 046050981 · Headquarters: WALTHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Russ and Nancy Malone Memorial Foundation Inc

    EIN 834650093 · Headquarters: Waltham, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Rvty Foundation F/k/a Pki Foundation

    EIN 853585519 · Headquarters: WALTHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Santa Claus Anonymous Inc

    EIN 043140079 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Score House of Hope Inc

    EIN 832933515 · Headquarters: Waltham, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Seoul Christian University Foundation Inc

    EIN 932416144 · Headquarters: Waltham, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Seth Tiberius Foundation Inc

    EIN 331998940 · Headquarters: WALTHAM, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Seven Miles From Jerusalem Inc

    EIN 832487556 · Headquarters: Waltham, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. Sigma Alpha Epsilon Pi

    EIN 831904873 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Sigma Alpha Mu Fraternity

    EIN 311235014 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Sigma Chi - Lambda Upsilon Housing Corporation

    EIN 464872247 · Headquarters: Waltham, MA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Sigma Delta Tau Society

    EIN 883911208 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Signs and Wonders Liberty Ministries

    EIN 300400578 · Headquarters: WALTHAM, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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