Nonprofits in Williamson, New York

Nonprofits in Williamson, New York. Browse 41 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 Federation of Teachers

    EIN 237365464 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Legion Auxiliary

    EIN 237197058 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Arctic Fox Daily Wildlife Rescue Inc

    EIN 853867645 · Headquarters: WILLIAMSON, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Civil Service Employees Association

    EIN 161570781 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Csea Unit 0859-911100 Wayne County Town of Ontario

    EIN 161159133 · Headquarters: Williamson, NY, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. East Palmyra Cemetery Association

    EIN 150557996 · Headquarters: WILLIAMSON, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. East Williamson Fire Department Inc

    EIN 461986359 · Headquarters: WILLIAMSON, NY, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Firewall Coffee Hall of Faith Inc

    EIN 454619699 · Headquarters: Williamson, NY, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. Free & Accepted Masons of New York

    EIN 237579118 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Friends of the Williamson Public Library Inc

    EIN 384084063 · Headquarters: Williamson, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Henry-barbara Prior Community Outreach Ministries

    EIN 364619749 · Headquarters: Williamson, NY, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. High Mountain Prayer House

    EIN 471340899 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Lakeview Cemetery Assn Inc

    EIN 156017488 · Headquarters: WILLIAMSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Lilliana S Heart Association Inc

    EIN 872123561 · Headquarters: Williamson, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Lions Club of Sodus Pride Lioness

    EIN 863492511 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Loving Education at Home

    EIN 113807698 · Headquarters: Williamson, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Mew-mew House

    EIN 921712266 · Headquarters: WILLIAMSON, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Order of Eastern Star of New York

    EIN 237549908 · Headquarters: Williamson, NY, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. Professional Photographers Socie Ty of New York Inc

    EIN 141578698 · Headquarters: WILLIAMSON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Pta New York Congress

    EIN 161168974 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Redeem Bethel Church of God in Christ Community Fellowship Center

    EIN 300235462 · Headquarters: Williamson, NY, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Refuge at Saddlecreek Inc

    EIN 932164045 · Headquarters: Williamson, NY, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Retail Wholesale & Department Store 220 Local Rwdsu

    EIN 160866173 · Headquarters: WILLIAMSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Ridge Chapel Cemetery Association

    EIN 994012472 · Headquarters: Williamson, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Roadkill Racing

    EIN 934127575 · Headquarters: Williamson, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Rotary International

    EIN 166092877 · Headquarters: Williamson, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  27. Ssgt Matt Williams Fund

    EIN 813824776 · Headquarters: WILLIAMSON, NY, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. The American Legion Williamson Post No 394

    EIN 166093697 · Headquarters: WILLIAMSON, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Trail Works Inc

    EIN 161553381 · Headquarters: Williamson, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Wayne County Rural Ministrycome-unity Center Inc

    EIN 160927057 · Headquarters: WILLIAMSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Whispering Woods Homeowners Assoc

    EIN 371644452 · Headquarters: Williamson, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  32. Williamson Booster Club Inc

    EIN 814253350 · Headquarters: Williamson, NY, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Williamson Chamber of Commerce

    EIN 161507341 · Headquarters: Williamson, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. Williamson Cheerleader Booster Club

    EIN 311785359 · Headquarters: Williamson, NY, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. Williamson Cooperative Nursery School

    EIN 160908827 · Headquarters: Williamson, NY, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. Williamson Driftriders Snowmobile

    EIN 161023729 · Headquarters: Williamson, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Williamson Fire Company Number One

    EIN 161491746 · Headquarters: WILLIAMSON, NY, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Williamson REC

    EIN 161536897 · Headquarters: WILLIAMSON, NY, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Williamson Rod & Gun Club Inc Dba Williamson Conservation & Sport

    EIN 161502428 · Headquarters: WILLIAMSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Williamson Volunteer Ambulance

    EIN 237129588 · Headquarters: WILLIAMSON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Williamson Wildcats Soccer Club Inc

    EIN 161548057 · Headquarters: Williamson, NY, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N