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
- Project Insulin
EIN 873385962 · Headquarters: Cambridge, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Project Prakash Foundation Inc
EIN 271164796 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Project Prana Foundation Inc
EIN 850928311 · Headquarters: Cambridge, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Proprietors of Mount Auburn Cemetery
EIN 041641320 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Prospect Hill Academy Charter School Foundation Inc
EIN 010851252 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Prosper Mama Africa
EIN 834488424 · Headquarters: cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Proyecto Chispa Inc
EIN 812812397 · Headquarters: Cambridge, MA, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- PRX
EIN 263347402 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Punarnava Healing Community Inc
EIN 813381881 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Putnam Avenue Family Association
EIN 462504525 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Putnam Square Apartments Inc C/o Harvard Real Estate Inc
EIN 046251287 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Pyle Nye Family Foundation
EIN 876878254 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Queenality Cares
EIN 862066764 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Queer Film Institute
EIN 880707014 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Queer Soup Inc
EIN 364565182 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Race Cancer Foundation Inc
EIN 271859289 · Headquarters: Cambridge, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990
- Radcliffe Child Care Centers Inc
EIN 042487200 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990
- Radcliffe Choral Society Inc
EIN 042650764 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Radcliffe Class of 1955 Association
EIN 042900632 · Headquarters: CAMBRIDGE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Radical Scholar Inc
EIN 205697881 · Headquarters: CAMBRIDGE, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rainbow Television Workshop Inc
EIN 942399612 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Raise the Sky Inc
EIN 264468578 · Headquarters: Cambridge, MA, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Raise Uganda Now
EIN 471470763 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Rapha Care Foundation Inc
EIN 871664679 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Rational Games Inc
EIN 043508656 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Real Colegio Complutense Inc
EIN 043134531 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Real Estate Agents for Real Agency Inc
EIN 900097892 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Rebuild Africa Inc
EIN 142007728 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Reclaim Childhood Inc
EIN 263653081 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Reimagining Democracy Fund
EIN 822968222 · Headquarters: CAMBRIDGE, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Religious Witness for the Earth Inc
EIN 562353653 · Headquarters: Cambridge, MA, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Reroot Stem
EIN 934497473 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Resident Services Empowerment Inc
EIN 832304984 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Resilient Coders
EIN 471882343 · Headquarters: Cambridge, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Resilient New England Inc
EIN 883503242 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Resilient Sisterhood Project Inc
EIN 831771945 · Headquarters: CAMBRIDGE, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Revelsinc
EIN 042557549 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Riverside Boat Club of Cambridge
EIN 042664080 · Headquarters: CAMBRIDGE, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Robert and Iris Fanger Family Foundation
EIN 043425988 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Robert R Taylor Network Inc
EIN 042880369 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Robin Blecher Celtic Arts Inc
EIN 043265387 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Rocket Learning Foundation
EIN 873912378 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Root Capital Inc
EIN 043478123 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rosemarie Beck Foundation
EIN 731663290 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Rotary Club of Cambridge
EIN 046113151 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Routes to Africa Inc
EIN 262728278 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Royal Arch Masons of Massachusetts
EIN 237159757 · Headquarters: Cambridge, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rudden Posner Family Foundation
EIN 043544626 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Rugby Tackling Life Inc
EIN 842340585 · Headquarters: Cambridge, MA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Running from Anxiety
EIN 822113219 · Headquarters: Cambridge, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ruth Leppson Charitable Foundation Inc
EIN 203426340 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sachamama Center for Biocultural Regener
EIN 461672650 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Safe Campus Initiative
EIN 204195954 · Headquarters: CAMBRIDGE, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Sahiyo US Inc
EIN 331605655 · Headquarters: Cambridge, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sakya Tradition Inc
EIN 842510890 · Headquarters: Cambridge, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Salient Publications
EIN 871592912 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sancta Maria Hospital Inc
EIN 042066524 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sancta Maria's Windsor House Inc
EIN 043486094 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990
- Sand County Charitable Trust C/o Tyler Lynch Pc
EIN 046935804 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sankara Travel Inc
EIN 833095468 · Headquarters: Cambridge, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sapan Foundation
EIN 933105901 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sarahs Place Inc
EIN 202657125 · Headquarters: Cambridge, MA, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sarasa Inc
EIN 043540519 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- School of Honk Inc
EIN 474087144 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Schweizer Foundation for Art & Innovation
EIN 842047013 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Science and Technology Futures Inc
EIN 883129122 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Science Club for Girls Inc
EIN 141892866 · Headquarters: CAMBRIDGE, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Science Clubs International Inc
EIN 824931454 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Science for America Inc
EIN 882763460 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Second Foundation Inc
EIN 880743054 · Headquarters: Cambridge, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- Second Nature Inc
EIN 043195772 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Securebio Inc
EIN 883068255 · Headquarters: Cambridge, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seneducation Foundation Inc
EIN 810911363 · Headquarters: Cambridge, MA, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990
- Seniorsconnect Inc
EIN 043076150 · Headquarters: Cambridge, MA, US · Housing & Shelter · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Sense & Sustainability
EIN 464346084 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seo-china
EIN 814959375 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Seraphim Singers Inc
EIN 050544595 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Serenagroup Research Foundation
EIN 830739611 · Headquarters: CAMBRIDGE, MA, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990
- Service with a Name
EIN 883481007 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Serving Grace Foundation Inc
EIN 352346609 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Shadida Solutions Corporation
EIN 820611749 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shady Hill School
EIN 042103628 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shady Hill Square Association
EIN 272900476 · Headquarters: Cambridge, MA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Shady Hill Square Association Inc
EIN 271937340 · Headquarters: Cambridge, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Shalom Catholic Community of Boston
EIN 830809688 · Headquarters: Cambridge, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sigma Alpha Epsilon Florida Gamma Alumni Association
EIN 842233669 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity Massachusetts Gamma
EIN 043558254 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sigma Chi Fraternity
EIN 043576445 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Signet Associates
EIN 046040508 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Signet Society
EIN 041833930 · Headquarters: CAMBRIDGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sirad Foundation Inc
EIN 043484554 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Skin Cancer Outcomes Consortium
EIN 832663169 · Headquarters: CAMBRIDGE, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Small House Inc
EIN 871849442 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Small Planet Institute Inc
EIN 204549249 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Small Property Owners Association Inc
EIN 043118975 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Smarter in the City Inc
EIN 471127201 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smma Fund Inc
EIN 273372469 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Snapdragon Montessori School
EIN 812350019 · Headquarters: Cambridge, MA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Social Impact Partners
EIN 921203692 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Social Structural Research Inc
EIN 042711980 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N