Nonprofits in Middlefield, Connecticut

Nonprofits in Middlefield, Connecticut. Browse 24 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. Brotherhood of Maintenance of Way Employees

    EIN 066106910 · Headquarters: MIDDLEFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Charles B Merwin Fund

    EIN 066034795 · Headquarters: MIDDLEFIELD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Coginchaug Soccer Club

    EIN 061254201 · Headquarters: MIDDLEFIELD, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Connecticut Association of Assessing Officers Inc

    EIN 061317665 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Connecticut Federation of School Administrators

    EIN 462675966 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Connecticut Gilbert & Sullivan Society

    EIN 061049830 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Connecticut Junior Women Inc

    EIN 061267212 · Headquarters: Middlefield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  8. Durham Middlefield Youth Football Durham Middlefield Youth Football

    EIN 204246711 · Headquarters: MIDDLEFIELD, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Durham-Middlefield Youth & Family Services Inc

    EIN 061402128 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. International Association of Lions Clubs

    EIN 066070882 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Kate Stopper Music Studies Scholarship

    EIN 464052017 · Headquarters: Middlefield, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. Kids 4 Public Service - U2 Can Do Math

    EIN 812082226 · Headquarters: Middlefield, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Memorial School Parent Teacher Council

    EIN 461044254 · Headquarters: Middlefield, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Middlefield Childrens Center

    EIN 061245399 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Middlefield Historical Society

    EIN 061333315 · Headquarters: Middlefield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Middlesex County Farm Bureau Inc % Mrs William Mintz

    EIN 060664992 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Shifting Strides Inc

    EIN 990823421 · Headquarters: Middlefield, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. The Boulanger Foundation Inc

    EIN 874044132 · Headquarters: MIDDLEFIELD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. The Harp Guitar Foundation

    EIN 264211583 · Headquarters: MIDDLEFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. The Independent Day School Inc

    EIN 066012653 · Headquarters: MIDDLEFIELD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. The Levi E Coe Library Association

    EIN 066045521 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The Middlefield Volunteer Fire Company Incorporated

    EIN 472195001 · Headquarters: MIDDLEFIELD, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Toastmasters International

    EIN 061550292 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Tops Club Inc

    EIN 352567853 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N