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
- Ciao
EIN 936355127 · Headquarters: Canton, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Cider Brook Cemetery Association Inc
EIN 060913553 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cinnabelle and Benjamin Esterman Foundation Inc
EIN 043284834 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Circle Company Inc
EIN 042801797 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- Circle Home Inc
EIN 042103812 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Cistercian Abbey of Spencer Inc
EIN 042104006 · Headquarters: SPENCER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Cistercians of the Strict Observance in Mass Inc
EIN 046039381 · Headquarters: Wrentham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Citizens Awareness Network
EIN 043135668 · Headquarters: SHELBURNE FALLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Citizens Commission on Human Rights
EIN 911938843 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens Energy Corporation
EIN 042691955 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Citizens for a Better Government Group
EIN 262352881 · Headquarters: methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Citizens for a Fiscally Responsible Belmont
EIN 870880463 · Headquarters: Belmont, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Citizens for Fiscal Responsibility
EIN 300502313 · Headquarters: South Hamilton, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Citizens for Route 40 Inc
EIN 814766777 · Headquarters: Westford, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Citizens Research and Environmental Watch Inc
EIN 043288032 · Headquarters: Concord, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Citizensgov
EIN 862588783 · Headquarters: Brookline, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- City Mission Inc
EIN 042104003 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- City of Boston Credit Union
EIN 041103180 · Headquarters: SOUTH BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- City of Taunton Management Association
EIN 043263013 · Headquarters: Taunton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- City Pop Inc
EIN 811430295 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- City Year Inc
EIN 222882549 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Civic Education Foundation
EIN 046111643 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Civil War Round Table of Greater Boston Inc
EIN 222481074 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Cjl Charitable Foundation
EIN 046552121 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Claire Delorey Whitten Memorial Scholarship
EIN 822207093 · Headquarters: Braintree, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Clam Point Civic Association
EIN 421751463 · Headquarters: Dorchester, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Clan Macnicol Society Inc
EIN 042940715 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clapp Memorial Library Inc
EIN 046068806 · Headquarters: BELCHERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clara B Winthrop Charitable Trust
EIN 046039972 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Clara E Hudson Trus Fbo Plainfield Con
EIN 046057195 · Headquarters: GREENFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Clark Charitable Trust
EIN 046037650 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Clark Tournament Committee Inc
EIN 043080418 · Headquarters: Charlton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clark-haddad Post 188 American Legion Building Corp
EIN 046136560 · Headquarters: SANDWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Class of 2014
EIN 471264579 · Headquarters: Mattapoisett, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Classic Toy Dog Club of Western Massachusetts Inc
EIN 223221332 · Headquarters: Ludlow, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clear Choice Action Inc
EIN 991554031 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clearway School Inc
EIN 042576523 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleghorn Athletic Assn St Joseph Club
EIN 042137225 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Clemens Family Foundation C/o Marshall Clemens
EIN 363705143 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Clementi Family Charitable Trust
EIN 043105942 · Headquarters: LEOMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Clermont Foundation C/o Martha H Keith
EIN 223177379 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Click Workspace
EIN 273755883 · Headquarters: Northampton, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Cliff Rodgers Free Library Assoc
EIN 046068148 · Headquarters: MARSHFIELD HILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clifford Charitable Foundation Inc
EIN 042690883 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Clifton W Tillson Tr Uw Fbo Schol
EIN 046044870 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Climate Action Now - Western Massachusetts
EIN 822852765 · Headquarters: Easthampton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Climate Conservancy Inc
EIN 933356866 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Climate Disobedience Action Fund
EIN 812714433 · Headquarters: Buckland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clinical & Support Options Inc
EIN 042206041 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clinton Firefighters Local 3189
EIN 223395680 · Headquarters: Clinton, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Clinton Historical Society
EIN 046069672 · Headquarters: CLINTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Clinton Home Foundation Inc
EIN 042131745 · Headquarters: CLINTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Clinton O & Lura Curtis Jones Memorial Trust
EIN 046173271 · Headquarters: Pittsfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Clinton Turnverein Corporation
EIN 041185795 · Headquarters: Clinton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clinton Youth Soccer Association Inc
EIN 042954622 · Headquarters: Clinton, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Clipped Wings United Air Lines Stewardess Alumnae & Flight Attend
EIN 237171803 · Headquarters: Paxton, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Clipper Ship Foundation Inc
EIN 042687384 · Headquarters: MILTON VILLAGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Clover Club of Boston % Sullivan Sorgi and Dimmock LLP
EIN 046014311 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Cloverdale Cooperative Preschool
EIN 042474531 · Headquarters: Florence, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Club 24 Inc
EIN 237002420 · Headquarters: MALDEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Club 72
EIN 460778616 · Headquarters: West Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Club Adriatic
EIN 800758364 · Headquarters: malden, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Club Cultural Cubano Inc
EIN 510189837 · Headquarters: WEST ROXBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Club Franco American De Westford MA
EIN 042499276 · Headquarters: Westford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Club Franco-americain De Naturalization Dathol
EIN 042015780 · Headquarters: Athol, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Club Madeirense Ss Sacramento Inc
EIN 042750450 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Club of San Filarmonica Society Inc
EIN 042764734 · Headquarters: STOUGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Club Portuguese De Instrucao E Recrei
EIN 042577276 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Club Recordacoes De Portugal Inc
EIN 237168846 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Clube Desportivo Faialense Inc
EIN 043068212 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clube Irmandade Do Espririto Santo
EIN 472684733 · Headquarters: Taunton, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Clube Recreativo Lusitania Inc
EIN 528777000 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Clube Uniao Faialense Inc
EIN 042586545 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Cmarc Woburn Street Inc
EIN 223218442 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cmd Corporation
EIN 200404059 · Headquarters: Swampscott, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Cmea the Employers Association
EIN 041988960 · Headquarters: STURBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cnrg Concord
EIN 824662370 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Co-ttee Uw Clara Endicott Sears
EIN 046025576 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coach Manzelli Foundation
EIN 562667977 · Headquarters: Kingston, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Coalition for Healty Democracy C/o Vedolino & Lowey Pc
EIN 994651771 · Headquarters: FOXBOROUGH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Coalition for Safe Communities
EIN 992805715 · Headquarters: Beverly, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Coalition for the Advancement of Student Activities Inc
EIN 043210697 · Headquarters: Marshfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Coalition of Accreditation Managers of Massachusetts Inc
EIN 043070048 · Headquarters: Walpole, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Coalition of City Chief Information Security Officers
EIN 853622051 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Coalition of Ne Companies for Trade Inc
EIN 043129918 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Coalition of Public Safety Unit 5
EIN 042749862 · Headquarters: Shrewsbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Coalition to Lower Energy Costs Inc
EIN 472042749 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Coastal Medical Associates Inc
EIN 043170333 · Headquarters: SOUTH WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Coastal Neighbors Network Inc
EIN 812927547 · Headquarters: DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Cobb Library Inc
EIN 042602048 · Headquarters: BRYANTVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cobra Volleyball Inc
EIN 412671012 · Headquarters: Canton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Coburn Charitable Society Inc
EIN 042104012 · Headquarters: IPSWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Codescilab Inc
EIN 851882188 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cofar Inc
EIN 222893166 · Headquarters: LEOMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cohasse Country Club
EIN 041189280 · Headquarters: Southbridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cohasset Appalachia Service Project Group Inc
EIN 823927417 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cohasset Arts Boosters Club
EIN 042951923 · Headquarters: Cohasset, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cohasset Central Cemetery
EIN 042266050 · Headquarters: Cohasset, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cohasset Conservation Trust Inc
EIN 043270892 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Cohasset Garden Club
EIN 042800411 · Headquarters: Cohasset, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N