Nonprofits in Winthrop, Washington

Nonprofits in Winthrop, Washington. Browse 56 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. Barkley Irrigation Company

    EIN 911454858 · Headquarters: Winthrop, WA, US · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. Biota Maxima

    EIN 825518879 · Headquarters: Winthrop, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. C6 Forest to Farm

    EIN 845003532 · Headquarters: Winthrop, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. Chewuch Basin Council

    EIN 912112587 · Headquarters: WINTHROP, WA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  5. Chewuch Canal Company

    EIN 910626004 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Classroom in Bloom

    EIN 900480661 · Headquarters: Winthrop, WA, United States · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Down to Earth Expeditions

    EIN 831856729 · Headquarters: Winthrop, WA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Early Winters Ditch Association

    EIN 921695376 · Headquarters: Winthrop, WA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Fire Adapted Methow

    EIN 333380235 · Headquarters: Winthrop, WA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Fog Horn Ditch Co

    EIN 916058036 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Friends of Bear Creek

    EIN 261220127 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Friends of the Eagle School

    EIN 831114272 · Headquarters: Winthrop, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Friends of the Winthrop Pub Library

    EIN 821525939 · Headquarters: Winthrop, WA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Fulton Ditch Company

    EIN 910630767 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Harvest Home Ministries

    EIN 260905151 · Headquarters: Winthrop, WA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Home Range Wildlife Research

    EIN 872209175 · Headquarters: Winthrop, WA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Kiwanis Club of Winthrop

    EIN 916053984 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Liberty Bell Booster Club

    EIN 911869865 · Headquarters: Winthrop, WA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Little Star School Montessori

    EIN 911193700 · Headquarters: Winthrop, WA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Lost River Sewer Association

    EIN 911307867 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Marilyn Firminhac Whittaker Charitable Trust

    EIN 816185714 · Headquarters: WINTHROP, WA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  22. Methow Conservancy

    EIN 911588861 · Headquarters: WINTHROP, WA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Methow Dark Sky Coalition

    EIN 842776342 · Headquarters: Winthrop, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Methow Hockey

    EIN 872828713 · Headquarters: WINTHROP, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Methow Housing Trust

    EIN 820855915 · Headquarters: WINTHROP, WA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Methow Institute Foundation

    EIN 943122694 · Headquarters: Winthrop, WA, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Methow Valley Education Association

    EIN 423288392 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Methow Valley Education Foundation

    EIN 911255507 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Methow Valley Family Home Center Association

    EIN 455066269 · Headquarters: Winthrop, WA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Methow Valley Fly Fishers

    EIN 870725846 · Headquarters: Winthrop, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Methow Valley Nordic Ski Educational Foundation

    EIN 911948417 · Headquarters: Winthrop, WA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Methow Valley Radio

    EIN 464589517 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Methow Valley Riding Unlimited

    EIN 911607919 · Headquarters: Winthrop, WA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Methow Valley Sports Trail Association

    EIN 911027957 · Headquarters: Winthrop, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Methow Valley Trails Collaborative

    EIN 921776188 · Headquarters: Winthrop, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Mvr House of Prayer

    EIN 912016268 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Mvr Ministries

    EIN 911982028 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Northwest Charitable Productions

    EIN 922499957 · Headquarters: Winthrop, WA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Northwest Community Land Trust Coalition

    EIN 200496103 · Headquarters: WINTHROP, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Okanogan County Electric Cooperative

    EIN 910344665 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Palouse to Cascades Trail Coalition

    EIN 811306295 · Headquarters: Winthrop, WA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Public School Funding Alliance

    EIN 223886292 · Headquarters: Winthrop, WA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Ralph and Jeanne Jennings Family Foundation

    EIN 461486682 · Headquarters: Winthrop, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Red Hen Trading Company

    EIN 383700591 · Headquarters: Winthrop, WA, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Rural Peoples Platform

    EIN 844377602 · Headquarters: Winthrop, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Rural Peoples Voice

    EIN 854314269 · Headquarters: Winthrop, WA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Skyline Ditch Co Inc

    EIN 911887346 · Headquarters: Winthrop, WA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. The Creative Connection

    EIN 943056142 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. The United States Pony Clubs Inc

    EIN 475496268 · Headquarters: WINTHROP, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Twin Lakes 1 Assoc

    EIN 880781008 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Twin Lakes Aquifers Coalition

    EIN 050542515 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Washington State University

    EIN 842630658 · Headquarters: Winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Winthrop Auditorium Association

    EIN 911116636 · Headquarters: winthrop, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Winthrop Chamber of Commerce

    EIN 911625061 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Winthrop Ice & Sports Rink

    EIN 311676458 · Headquarters: Winthrop, WA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Winthrop Kiwanis Foundation

    EIN 237090044 · Headquarters: Winthrop, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ