GrantAuthority

Grantmaking foundations in Portland, ME

174 grantmaking foundations in Portland, Maine, ranked by recent giving reported to the IRS (about $200M combined).

Top foundations by giving

  1. Harold Alfond Foundation
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $63M (2024)
  2. Lunder Foundation
    Portland, ME
    $24M (2025)
  3. Maine Technology Institute
    Portland, ME · Human Services
    $22M (2025)
  4. John T Gorman Foundation
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $7.5M (2024)
  5. A Mainehealth Hcsr
    Portland, ME · Public Safety, Disaster Preparedness and Relief
    $6.1M (2025)
  6. University of Southern Maine Foundation
    Portland, ME · Community Improvement and Capacity Building
    $4.5M (2025)
  7. Libra Foundation Owen W Wells Trustee
    Portland, ME
    $4.4M (2025)
  8. United Way Inc
    Portland, ME · Crime and Legal-Related
    $4.2M (2025)
  9. Reverb Inc
    Portland, ME · Civil Rights, Social Action and Advocacy
    $4M (2025)
  10. Catholic Charities Maine
    Portland, ME · Community Improvement and Capacity Building
    $3.3M (2025)
  11. Sam L Cohen Foundation
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $3.3M (2025)
  12. Hawk Rock Foundation
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.9M (2024)
  13. The Bill and Joan Alfond Foundation
    Portland, ME
    $2.8M (2024)
  14. P D Merrill Charitable Tr U-A Dtd 11-02-06
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.5M (2022)
  15. Albert B Glickman Family Foundation
    Portland, ME
    $2.3M (2024)
  16. J Blair and Tena Frank Foundation
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $2M (2025)
  17. Maine Initiatives Inc
    Portland, ME · Public Safety, Disaster Preparedness and Relief
    $1.9M (2025)
  18. Maine Immigrants Rights Coalition
    Portland, ME · Community Improvement and Capacity Building
    $1.7M (2024)
  19. Fore River Foundation
    Portland, ME
    $1.6M (2025)
  20. Catholic Foundation of Maine
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.6M (2025)
  21. Hannaford Charitable Foundation
    Portland, ME
    $1.4M (2025)
  22. Protein Foundation
    Portland, ME
    $1.4M (2025)
  23. Maine Peoples Resource Center
    Portland, ME · Public Safety, Disaster Preparedness and Relief
    $1.4M (2024)
  24. Roxanne Quimby Foundation Inc
    Portland, ME · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.4M (2024)
  25. Morton-Kelly Charitable Tr
    Portland, ME
    $1.3M (2025)

Showing the top 100 by giving. Search all 174 with a free account.

Find the right funders faster. Filter every foundation by location, cause, giving size and openness, and see full grantee histories, with a free GrantAuthority account.

Create free account

Causes in Maine