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
- World School Schools Supporting Schools Inc
EIN 453565598 · Headquarters: BEDFORD, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- World Unity Inc
EIN 043221322 · Headquarters: JAMAICA PLAIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Worthington Golf Club
EIN 041991144 · Headquarters: Chesterfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Worthington Historical Society Inc
EIN 046055445 · Headquarters: Worthington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Worthington Senior Housing Inc
EIN 042732725 · Headquarters: WORTHINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Worthington Snowmobile Club Inc C/o Worthington Fire House
EIN 046358299 · Headquarters: Worthington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wound Healing Society
EIN 541543698 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wray Irma P Trust
EIN 206038954 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Wrentham Assn for Retarded Citizens Inc
EIN 046112571 · Headquarters: WRENTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wrentham Cable Access Corporation
EIN 043126509 · Headquarters: Wrentham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Wrentham Lions Club International Association of L
EIN 046109824 · Headquarters: Wrentham, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Ws Llc
EIN 844538630 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Wyantenuck Country Club
EIN 041992490 · Headquarters: GREAT BARRINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wyman Gordon
EIN 046142600 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Wyman Hill Foundation #0741421
EIN 222035424 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Wyman Lake Association Inc
EIN 237184812 · Headquarters: WESTMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wyoma Little League Inc
EIN 046197962 · Headquarters: Lynn, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- X Northeast Fishery Sector Inc
EIN 270247842 · Headquarters: Marshfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- Xaverian Brothers High School Inc
EIN 042314036 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Xeric Foundation
EIN 223149258 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Xiyangyang Music Ensemble Inc
EIN 263826501 · Headquarters: Wayland, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Y Service Clubs International Us Area
EIN 330179922 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yacht Club of Bass River Marina
EIN 392069070 · Headquarters: WEST DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990
- Yaguara - Support for Jaguars in the Osa Inc
EIN 452701764 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Yal-day New Day Care Center Inc
EIN 042713076 · Headquarters: ALLSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale Club of Cape Cod
EIN 134206126 · Headquarters: Osterville, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Yankee Alliance Inc
EIN 222561879 · Headquarters: Andover, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Yankee Atomic Electric Company Employee Welfare Program Trust
EIN 046567940 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yankee Beemers Inc
EIN 043234330 · Headquarters: FITCHBURG, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yankee Division Veterans Association
EIN 056011765 · Headquarters: WEYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Yankee Golden Retriever Club Inc
EIN 042608144 · Headquarters: BUZZARDS BAY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Yankee Miniature Pinscher Club Inc
EIN 043208422 · Headquarters: Ludlow, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Yankee Rescue Property Corp
EIN 043328654 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yarmouth Chapt No 1721 Women of the Moose
EIN 042871083 · Headquarters: South Yarmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yarmouth Library Association Inc
EIN 046048917 · Headquarters: YARMOUTH PORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yarmouth Pickleball Group
EIN 824841607 · Headquarters: Yarmouth Port, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Yarmouth Police Supervisors Association Inc
EIN 931403969 · Headquarters: West Yarmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yellow Moon Press Inc
EIN 222536537 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Yengii Biosciences Inc
EIN 872003956 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Yes for Belmont
EIN 825331176 · Headquarters: Belmont, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Yes in Brookline
EIN 933634240 · Headquarters: Brookline, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yes We Must Coalition
EIN 541439744 · Headquarters: BERLIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- YMCA Southcoast
EIN 042104749 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- York Riote of Boston
EIN 463401270 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- York Rite Sovereign College of North America
EIN 043159167 · Headquarters: Huntington, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- York Rite Sovereign College of North America
EIN 382819324 · Headquarters: Westborough, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Young at Heart Chorus Inc
EIN 042862189 · Headquarters: FLORENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Young Catholic Professionals - Boston Chapter
EIN 872547023 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Young Men's Club of Hadley Inc
EIN 042058907 · Headquarters: Hadley, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Young Mens Library Association
EIN 042152681 · Headquarters: Ware, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Young Presidents Organization Inc C/o Sondra Bloch
EIN 010448905 · Headquarters: CENTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Young Professionals of Amherst
EIN 814628761 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Young Scholars Fund Inc
EIN 461246652 · Headquarters: Amherst, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Your Inheritance Inc
EIN 873042366 · Headquarters: Bellingham, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Yourarlingtonorg Inc
EIN 871248884 · Headquarters: ARLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Youth Center Inc
EIN 042591290 · Headquarters: CHESHIRE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Youth Dance Weekend
EIN 365091932 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Youth Enrichment Services Inc
EIN 042509466 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Youth Opportunities Upheld Inc
EIN 237112665 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990
- Youth Services Managers Inc
EIN 043121678 · Headquarters: BOXFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Youth Sports and Education Inc
EIN 995126347 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Youthbuild Boston Inc
EIN 043080098 · Headquarters: ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Youths Friends Association Inc
EIN 136097828 · Headquarters: GLOUCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Youville Healthcare Center Inc
EIN 043239582 · Headquarters: Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Youville Hospital & Rehabilitation Center Inc
EIN 043239563 · Headquarters: Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ypo Boston Inc
EIN 931630106 · Headquarters: MILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- YPO Gold New England Chapter Inc
EIN 223485612 · Headquarters: Shrewbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ywboston
EIN 474508807 · Headquarters: BROOKLINE, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- YWCA Cambridge
EIN 042103968 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ywca Northeastern Massachusetts Inc
EIN 042130847 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ywca of Southeastern Massachusetts Inc
EIN 042104747 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Zabriskie Family Foundation Inc
EIN 222592798 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Zacharias James Trust Uw
EIN 576203282 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Zacks Cliffs Association
EIN 883502666 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Zadok Howe Tr
EIN 046055932 · Headquarters: billerica, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Zeba Trust
EIN 237181985 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Zeitz Foundation
EIN 650190440 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Zell Family Foundation Inc C/o Loring Wolcott & Coolidge Office
EIN 042767470 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Zeta Alpha Alumnae Association
EIN 046048175 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Zeta Beta Tau Fraternity
EIN 042242419 · Headquarters: Brookline, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Zeta Beta Tau Fraternity
EIN 043076837 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Zeta Beta Tau Fraternity
EIN 201641890 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Zeta Beta Tau Fraternity
EIN 223235517 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Zeta Phi Beta Soroity Inc
EIN 800801331 · Headquarters: Stoughton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Zeta Phi Beta Sorority
EIN 046147892 · Headquarters: Marlborough, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Zeta Phi Beta Sorority - Delta Chi Chapter
EIN 991989922 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Zeta Phi Beta Sorority Inc - Commonwealth of Massachusetts
EIN 863269785 · Headquarters: Hyde Park, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Zeta Phi Beta Sorority Inc Beta Chi Chapter
EIN 932723418 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Zeta Phi Chapter House Corporation Alpha Phi International Fraternity Inc
EIN 222768441 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Zeta Psi Fraternity Rho Alpha Chapter Mit
EIN 042826250 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Zimmerman Shleifer Charitable Foundation C/o Bracebridge Capital Management
EIN 276202703 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Zion Impact Ministries - United States
EIN 991396413 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Zionist House Inc
EIN 042105886 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Zock Endowment Trust 5129887
EIN 226098288 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Zonta International
EIN 042684859 · Headquarters: Florence, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Zonta International
EIN 046112846 · Headquarters: Malden, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Zonta International
EIN 850671477 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Zoryan Institute Inc
EIN 042760377 · Headquarters: Arlington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Zw Foundation Inc % Zomana Majid
EIN 850683999 · Headquarters: WESTON, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N