Unknown & Unclassified nonprofits
Unknown & Unclassified nonprofits. Browse 557,756 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
- Massachusetts Court Reporters Assn Inc
EIN 222951590 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Cruisers Auto Club
EIN 043124482 · Headquarters: Wrentham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Deaf Senior Citizens
EIN 992672323 · Headquarters: BUZZARDS BAY, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Defense Lawyers Association
EIN 043200073 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Delivery Association Inc
EIN 203513003 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990
- Massachusetts Delta Chapter of Sigma Alpha Epsilon
EIN 042276012 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Dental Care Providers for Better Dental Benefits
EIN 883227524 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Massachusetts Dental Hygienists' Association Inc
EIN 046148587 · Headquarters: Baldwinville, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Dental Society
EIN 041590155 · Headquarters: SOUTHBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Deputy Sheriffs Association
EIN 822720166 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massachusetts Down Syndrome Congress Inc
EIN 222596246 · Headquarters: BURLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Educational Opportunity Association Inc
EIN 042909643 · Headquarters: DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Massachusetts Educational Recruiting Consortium Inc
EIN 222873746 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Electrical Contractors Association Inc
EIN 042002840 · Headquarters: Braintree, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Employersseiu Local 888 Trust Fund
EIN 043240891 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Energy Marketers Association Inc
EIN 042183106 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts English Plus Coalition Inc
EIN 043151320 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Massachusetts Environmental Health Association
EIN 042576942 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Extended Care Finance Asso Ciation Inc
EIN 043338709 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Fair Housing Center Inc
EIN 223043308 · Headquarters: HOLYOKE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Massachusetts Families Organizing For Change Inc
EIN 223143924 · Headquarters: Dedham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Family & Probate Inn
EIN 043432595 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Farm Bureau FederationInc
EIN 042128453 · Headquarters: Marlborough, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Fine Art Auctioneers Incorporated
EIN 223061743 · Headquarters: MARLBOROUGH, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Massachusetts Fishermen's Partnership
EIN 043302036 · Headquarters: GLOUCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Fishermens Mobile Gear Alliance Inc
EIN 823109909 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Massachusetts Food Association
EIN 041590475 · Headquarters: MARLBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Foot and Ankle Society Inc
EIN 042487282 · Headquarters: WESTFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Massachusetts Foundation for Teaching and Learning Inc
EIN 222782827 · Headquarters: Taunton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Fraternal Order of Police
EIN 542075864 · Headquarters: NORTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Massachusetts Freedom Fighters
EIN 931665091 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Fruit Growers Asso
EIN 042211069 · Headquarters: North Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Gamma Sigma Alumni Association
EIN 042587334 · Headquarters: GROTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Golf Association Inc
EIN 042487562 · Headquarters: NORTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Health & Hospital Assoc Inc
EIN 042106700 · Headquarters: BURLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Health Data Consortium Inc
EIN 042647615 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Health Information Management Association
EIN 237315030 · Headquarters: WEST BOXFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Health Sciences Library Network Incorporated
EIN 222505016 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massachusetts Healthcare Human Resources Association Inc
EIN 042711924 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts High Technology Council Inc
EIN 042626050 · Headquarters: Burlington, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Higher Education Assistance Corporation
EIN 042254705 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Highway Association C/o William H Elovirta
EIN 046053067 · Headquarters: BECKET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Horsemans Council
EIN 042628069 · Headquarters: SEABROOK, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Independent Football Officials Association Inc
EIN 872271430 · Headquarters: Medfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Independent Physician Practice Association Inc
EIN 993397711 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Institute of Alternative Medicine Inc
EIN 043308814 · Headquarters: Wilbraham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Insurers Insolvency Fund
EIN 237304306 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Interscholastic Athletic Association Inc
EIN 042642190 · Headquarters: FRANKLIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Iota Tau Association
EIN 043506094 · Headquarters: ACTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Jobs with Justice Action Fund Inc
EIN 813561658 · Headquarters: JAMAICA PLAIN, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massachusetts Judges Conference of the Trial Court of the Commonwealth Inc
EIN 222485939 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Justices of the Peace Association Inc
EIN 042880372 · Headquarters: CANTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Laborers' Health & Welfare Fund
EIN 042214296 · Headquarters: BURLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Laundryowners Association
EIN 046058350 · Headquarters: Malden, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts League of Community Health Centers Inc
EIN 042507409 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Library Association
EIN 046056508 · Headquarters: WESTBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Lobstermen's Association
EIN 042587614 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Locksmiths Inc
EIN 042788145 · Headquarters: NORTH READING, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Massachusetts Lodging Association
EIN 043142502 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Manufactured Housing Association Inc
EIN 043323351 · Headquarters: HALIFAX, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Marine Trades Association Inc
EIN 042461691 · Headquarters: FOXBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Massachusetts Me-cfs & Fm Association Inc
EIN 043014644 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Massachusetts Medical Benevolent Society
EIN 237089741 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Medical Device Industry Council Inc
EIN 043345676 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Medical Group Management Association Inc
EIN 042642962 · Headquarters: Hamilton, NJ, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Massachusetts Medical Society
EIN 042050773 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Medical Society
EIN 042193016 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Massachusetts Medical Society
EIN 042730284 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 046148974 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369130 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369133 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369135 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369138 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369141 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369142 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369166 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 223369260 · Headquarters: Wilbrham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 237206114 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society
EIN 510193209 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massachusetts Medical Society Alliance Inc
EIN 237055291 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massachusetts Medical Society and Alliance Charitable Foundation
EIN 223199624 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Medical Society Essex South District
EIN 046290204 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Midwives Alliance Inc
EIN 223031390 · Headquarters: TURNERS FALLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Minority Court Officers Association Inc
EIN 474519498 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Massachusetts Minority State Police Officers Association Inc
EIN 043257423 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Massachusetts Mortgage Bankers Association
EIN 042605504 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Motor Transportation Association
EIN 041640940 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Movers Association Inc
EIN 042197135 · Headquarters: ACTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Massachusetts Municipal Human Resources Inc
EIN 042958688 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Museum of Contemporary Art Foundation Inc
EIN 043113688 · Headquarters: NORTH ADAMS, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Massachusetts Music Teacher Association Inc
EIN 222588476 · Headquarters: NATICK, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massachusetts Mutual Agents Health Benefit Trust
EIN 222553157 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Mutual Employee Health Benefit Trust
EIN 226463418 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Mutual Life Insurance Co Retired Lives Reserve
EIN 042798906 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Mutual Life Insurance General Agents Association
EIN 846036529 · Headquarters: HORSHAM, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Massachusetts National Rural Letter Carriers Ma
EIN 237233871 · Headquarters: REHOBOTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Newspaper Publishers Assoc
EIN 046058027 · Headquarters: Tewksbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Massachusetts Nursery & Landscape Association Inc
EIN 510151304 · Headquarters: PALMER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Nurses Association
EIN 041591164 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massachusetts Nurses Foundation Inc
EIN 042740257 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990