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
- Center for Insurance Research Inc
EIN 043197819 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Center for New Americans Inc
EIN 043224215 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Center for the Study of Classical Architecture Inc
EIN 651263278 · Headquarters: DUXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Center for the Study of Public Policy Inc
EIN 042449341 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Center Realty Trust of North Andover
EIN 042348294 · Headquarters: North Andover, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Center to Advance Integrated Community Health Inc
EIN 853870286 · Headquarters: Tyngsborough, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Centerboard Inc
EIN 043019658 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Centerville Historical Society Inc
EIN 046179287 · Headquarters: CENTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Centerville Public Library Association Inc
EIN 042221700 · Headquarters: CENTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Catholic High School of Lawrence Inc
EIN 042057906 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Cemetery Association of Randolph
EIN 042207412 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Ma Chapter Neca
EIN 042066027 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Ma Society of Financial Service Professionals Inc
EIN 237204489 · Headquarters: West Brookfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Central Mass Bandits
EIN 043623483 · Headquarters: GARDNER, MA, USA · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ
- Central Mass Baseball League Inc
EIN 046135035 · Headquarters: LEOMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Central Mass Model T Club Inc
EIN 223208666 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Central Mass South the Chamber at the Crossroads of New England Inc
EIN 041851915 · Headquarters: STURBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Central Mass Striders Inc
EIN 042802007 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Central Massachusetts Amateur Radio Association Inc
EIN 300627700 · Headquarters: Holden, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Central Massachusetts Branch of the International
EIN 461093024 · Headquarters: HUDSON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Central Massachusetts Bridge Association
EIN 900340483 · Headquarters: HOLLISTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Central Massachusetts Figure Skating Club
EIN 300486708 · Headquarters: Sutton, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Central Massachusetts Housing Alliance
EIN 042791448 · Headquarters: Worcester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Massachusetts Institute of Management Educ
EIN 042618809 · Headquarters: STURBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Central Massachusetts Paralegal Association
EIN 043015465 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Central Massachusetts R C Modelers Inc
EIN 042748968 · Headquarters: Northborough, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Central Massachusetts Soccer Officials Association
EIN 933532196 · Headquarters: Marlborough, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Central Massachussetts Labor Agency Inc
EIN 341976280 · Headquarters: Auburn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Central New England Brittany Club
EIN 043529785 · Headquarters: METHUEN, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Central New England Dental Research Group Inc
EIN 843904545 · Headquarters: NORTH READING, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Central Service Committee Aa
EIN 042031115 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Square Business Improvement District
EIN 043196111 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Central Surgical Association
EIN 386077274 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Central Surgical Association Foundation
EIN 383061851 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Centralville Sportsmen's Club Inc
EIN 042700959 · Headquarters: DRACUT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Centreport Properties Llc Co Aew Capital Management Lp
EIN 043363330 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Centro-luso American Club Inc
EIN 042349445 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cfa Society Boston Inc
EIN 237069432 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cflibotte Lvng Tr Memorial Scholars Cx7633
EIN 846472046 · Headquarters: RAYNHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- CH Neurology Foundation Inc
EIN 222678594 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Chaarg
EIN 922980346 · Headquarters: Brighton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Chaffins Recreation Association
EIN 042310977 · Headquarters: HOLDEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Challenge to Dream Foundation Inc
EIN 274531415 · Headquarters: wrentham, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Challenge Unlimited Inc
EIN 222478997 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Chamber of Commerce of East Boston
EIN 222518702 · Headquarters: EAST BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chamberlain Foundation
EIN 042752515 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Chaminade Opera Group Inc
EIN 042760401 · Headquarters: Rehoboth, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Champeau-Vilandre American Legion Post 109
EIN 046189416 · Headquarters: Fiskdale, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chandler Pta
EIN 042779838 · Headquarters: DUXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Change Inc
EIN 222905331 · Headquarters: Shrewsbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chapel Hill-chauncy Hall School
EIN 042534161 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Chaplain David Sanford Fund
EIN 046036660 · Headquarters: ROCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chappaquiddick Beach Club Inc
EIN 042311692 · Headquarters: EDGARTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charitable Association of the Boston Fire Department
EIN 041168775 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charles E McGee Chapter Tuskegee Airmen Inc
EIN 043526725 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Charles F Kiefer Jr Scholarship Fund Inc
EIN 042735411 · Headquarters: Marblehead, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Charles H Cross Charitable Foundation
EIN 046437778 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charles H Hood Fund
EIN 046036788 · Headquarters: LYNNFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charles H Lane Amvets Post 1977
EIN 042809998 · Headquarters: STOUGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Charles J Connick Stained Glass Foundation Ltd
EIN 042911231 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Charles J Paine Scholarship Fund C/o Taylor Ganson & Perrin LLP
EIN 046028710 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Charles J Tasker Memorial Scholarship Fund
EIN 046432409 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Charles Mosesian Family Foundation
EIN 222859862 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Charles River Association for Retarded Citizens Inc
EIN 042393108 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charles River Chorale Inc
EIN 222893160 · Headquarters: Millis, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Charles River Country Club Inc
EIN 041169250 · Headquarters: NEWTON CENTRE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charles River District Medical Society
EIN 237085936 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Charles River Laboratories Foundation Inc
EIN 510188208 · Headquarters: Wilmington, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charles River Regional Chamberinc
EIN 041670500 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Charles River Tennis Club Inc
EIN 223076864 · Headquarters: Medway, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Charles River Transportation Management Association Inc
EIN 043273602 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charles River Valley Garden Club
EIN 542189159 · Headquarters: Dover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Charles River Valley Shrine Club
EIN 046357878 · Headquarters: WILMINGTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Charles River Yacht Club Inc
EIN 042401785 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charles Robert Gens Foundation
EIN 046044429 · Headquarters: Wilmington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Charles S & Carmen Demora Hale Foundation
EIN 954480051 · Headquarters: Quincy, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charles Sanders Trust Uw C/o G West Saltonstall
EIN 046022091 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charlesbank Homes
EIN 042103755 · Headquarters: WALPOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charlesgate Yacht Club Inc
EIN 046016189 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charlestown Youth Hockey Assoc Inc
EIN 043040076 · Headquarters: CHARLESTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Charlesview Inc
EIN 237099102 · Headquarters: BRIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charlotte Dunning School PTO
EIN 912162390 · Headquarters: Framingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Charlotte Palmer Phillips FoundationInc C/O Kotin Crabtree & Strong LLP
EIN 136100994 · Headquarters: Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Charlton Beagle Club Inc
EIN 042400050 · Headquarters: CHARLTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charlton Business Alliance
EIN 990742138 · Headquarters: Charlton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Charlton Historical Society
EIN 510172258 · Headquarters: CHARLTON, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Charlton Police Charitable Organization
EIN 471163202 · Headquarters: Charlton, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Charlton Public Library Charitable Trust Fund
EIN 043086970 · Headquarters: CHARLTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Charlton Southbridge
EIN 593830254 · Headquarters: Charlton, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Chatham Beach & Tennis Club Inc
EIN 041171225 · Headquarters: BREWSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Chatham Chamber of Commerce
EIN 042619692 · Headquarters: CHATHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Chatham Chorale Inc
EIN 042661314 · Headquarters: WEST DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chatham Fire Association Inc C/o Gerard Smith Treasurer
EIN 237110518 · Headquarters: CHATHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Chatham Historical Society Inc
EIN 046045540 · Headquarters: CHATHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Chatham Platform Tennis Association Inc
EIN 042631818 · Headquarters: CHATHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chauncy House Community Corporation
EIN 043318919 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Chelmsford Business Association Inc
EIN 043077071 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chelmsford Friends of the Library
EIN 043086577 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chelmsford High School Alumni Association Foundation Inc
EIN 262537210 · Headquarters: NO CHELMSFORD, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Chelmsford Hockey Association Inc
EIN 237121411 · Headquarters: Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990