Nonprofits in Cambridge, Massachusetts
Nonprofits in Cambridge, Massachusetts. Browse 1,541 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
- New England Chapter of the American Medical Writers Association Inc
EIN 815409435 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- New England Complex Systems Instituteinc
EIN 043332954 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- New England Friends of Bosnia and Herzegovina
EIN 451453399 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- New England Innocence Project
EIN 206187760 · Headquarters: CAMBRIDGE, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- New England Jazz Collaborative Inc
EIN 880713807 · Headquarters: CAMBRIDGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- New England Music & Stage Company Ltd
EIN 043275707 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- New England Ski for Light
EIN 043425494 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- New England Society for Microscopy Inc
EIN 237025811 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New England Unit Inc of Herb Society of America Inc
EIN 510172588 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- New School of Music Inc
EIN 042598978 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- New Union Project Inc
EIN 263459247 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Newbridge Medical Research Corp
EIN 900283124 · Headquarters: Cambridge, MA, USA · Medical Research · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Newtowne School Incorporated
EIN 042470070 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Next Steps Housing Corporation
EIN 830382839 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Noam Institute Inc
EIN 821541201 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nonantum Village Place Inc
EIN 300158221 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- North American Association for the Study of Welsh Culture & History
EIN 263003780 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- North American Chapter of the Barbara Pym Society
EIN 271042969 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- North American Submarine Cable Association
EIN 043557827 · Headquarters: CAMBRIDGE, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- North Cambridge Little Baseball League Inc
EIN 043539417 · Headquarters: Cambridge, MA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- North Charles Community Eruv Inc
EIN 043173399 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- North Charles Mental Health Research & Training Foundation Inc
EIN 237157222 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- North Eastern Philosophy of Education Society
EIN 844255422 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Northeast Popular Culture Association
EIN 043167558 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northeast Radio Observatory Corporation
EIN 046156432 · Headquarters: Cambridge, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Northwest Common Inc
EIN 043348399 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nosa Inc
EIN 208682042 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- NoticeAbility Inc
EIN 472392471 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Number Six Club
EIN 042325521 · Headquarters: Cambridge, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nuvu Innovation School Inc
EIN 992358963 · Headquarters: CAMBRIDGE, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean River Institute Inc
EIN 208273235 · Headquarters: Cambridge, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oceanic Labs Research Foundation
EIN 870824831 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Olmsted Green Skilled Nursing Facility Inc
EIN 010892964 · Headquarters: Cambridge, MA, US · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Olpc Foundation
EIN 205471780 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990
- Omega Psi Phi Fraternity Iota Chi Chapter
EIN 900616903 · Headquarters: cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- On the Rise Inc
EIN 043290689 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- One Caucasus Inc
EIN 881064294 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Common Heart Inc
EIN 475559038 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Fair Wage Inc
EIN 850692228 · Headquarters: CAMBRIDGE, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- One in a Billion Productions Inc
EIN 821286728 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- One Per Cent a Peace Army Ltd
EIN 043360236 · Headquarters: cambridge, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- One Plympton Preservation Foundation Inc
EIN 843058470 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Onyx Black Wealth Collective Inc
EIN 932499015 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Knowledge Commons Inc
EIN 263463867 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990
- Open Learning Exchange Inc
EIN 260211816 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Source Media Inc
EIN 202233057 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Openacc-standard Org
EIN 454132223 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Openboxscienceinc
EIN 871218147 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- OPERA CAMBRIDGE INC Formally Cambridge Chamber Ensemble Inc
EIN 352695331 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Opioid Spoon Project Inc C/o Domenic Esposito
EIN 834379142 · Headquarters: CAMBRIDGE, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Opsys Inc
EIN 455116578 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Organization For The Research Of Ancient Cultures
EIN 463844668 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Otus Labs and Initiatives Inc
EIN 931596611 · Headquarters: Cambridge, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Golden Lotus Inc
EIN 271336938 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Our Golden Years
EIN 208689583 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Owl Club
EIN 041696700 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Owl Club Capital Management Inc
EIN 204744523 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pangyrus Inc
EIN 472806306 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paniscus Project
EIN 844486154 · Headquarters: CAMBRIDGE, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Paragon Society Inc
EIN 851620124 · Headquarters: Cambridge, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parents Forum Inc
EIN 043135867 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parents' Nursery School
EIN 042169655 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Partners for Progress Inc
EIN 453995341 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990
- Pasand Inc
EIN 800876656 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Patch Inc
EIN 300789657 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Pathcheck Foundation
EIN 850629210 · Headquarters: Cambridge, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Pathway for Immigrant Workers
EIN 882441074 · Headquarters: Cambridge, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Patriots Heart Inc
EIN 882828116 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Patrons of the Arts of the Vatican Museums Inc
EIN 043401076 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Paul Logerfo Medical Research and Education Tr
EIN 137388511 · Headquarters: Cambridge, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Pca Foundation Inc
EIN 463912401 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Pdb Foundation
EIN 823779206 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Peking University Alumni Association of New England Inc
EIN 455051445 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- People for River Bend Park Trust
EIN 237448770 · Headquarters: CAMBRIDGE, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Peste Corporation
EIN 883848163 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Phi Beta Epsilon Corporation
EIN 046014162 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Phi Sigma Rho National Sorority
EIN 863895733 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Philips Electronics North America Foundation
EIN 132961300 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Phillip and Susan Ragon Foundation
EIN 050547000 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Phillips Brooks House Association Inc
EIN 046046123 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Phillipsusan Ragon Institute Foundation
EIN 263919459 · Headquarters: CAMBRIDGE, MA, USA · Medical Research · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Photographic Preservation Center
EIN 261136216 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Pi-tap Inc
EIN 844231111 · Headquarters: CAMBRIDGE, MA, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Pico Opera Inc
EIN 331788246 · Headquarters: CAMBRIDGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pleiades Society
EIN 043740911 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Poetry to Empower
EIN 271154024 · Headquarters: Cambridge, MA, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Poets Theatre Inc
EIN 043008410 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Policy and Institutional Research Project Inc
EIN 823306728 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pop Warner Little Scholars Inc
EIN 043205673 · Headquarters: Cambridge, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Pope John Paul Ii Council 14188
EIN 262779026 · Headquarters: Cambridge, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Porter Square Books Foundation Inc
EIN 471046467 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Powerful Beautiful Fierce Inc
EIN 365061912 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Praespero Farms Inc
EIN 833565255 · Headquarters: Cambridge, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Primary Source Inc
EIN 042911053 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Prime Coalition Inc
EIN 464621007 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Prion Alliance Inc
EIN 460732060 · Headquarters: CAMBRIDGE, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990
- Probalistic Computing Foundation Inc
EIN 823764421 · Headquarters: Cambridge, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Prod
EIN 873826850 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990
- Program on International Financial Systems Inc
EIN 822586755 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Progressive Approach Inc
EIN 271880442 · Headquarters: Cambridge, MA, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N