Nonprofits in Williamstown, New York

Nonprofits in Williamstown, New York. Browse 10 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

  1. American Legion Auxiliary

    EIN 300513876 · Headquarters: Williamstown, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. American Legion Post 1128

    EIN 166093696 · Headquarters: WILLIAMSTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Central Oswego County Riders Inc

    EIN 334994077 · Headquarters: Williamstown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Fairview Cemetery Assn Inc

    EIN 150596030 · Headquarters: Williamstown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Independent Order of Odd Fellows

    EIN 161503428 · Headquarters: Williamstown, NY, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  6. Kasoag Trailblazers Inc

    EIN 222526956 · Headquarters: Williamstown, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. West Amboy Cemetery Association

    EIN 364981978 · Headquarters: Williamstown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Williamstown Library

    EIN 861149674 · Headquarters: Williamstown, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Williamstown Memorial Vfw Post 136

    EIN 800834741 · Headquarters: Williamstown, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Williamstown Volunteer Fire Corporation

    EIN 161217136 · Headquarters: WILLIAMSTOWN, NY, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990