F Curtis Thrall and Susan B Thrall Foundation

American Savings Foundation Inc

New Britain, CT

The foundation funds education, human services, and arts and culture, especially programs serving children, youth, and families, with a primary focus on New Britain and Waterbury and grants across 64 Connecticut towns. In 2025, its grants ranged from $238 to $150,000, with a median of $1,750; it also offers Community Grants of up to $5,000.

Hartford Foundation for Public Giving

Hartford, CT

The Greater Hartford Gives Foundation funds nonprofits, agencies, and scholarships, with priorities including equity, social and economic mobility, community wellbeing, civic engagement, and arts and culture. Its 2024 itemized grants had a median of about $21,600, with awards ranging from about $5,000 to $2.48 million, and it primarily serves 29 towns in Greater Hartford. It offers annual, priority-aligned grant opportunities; the profile does not state whether it accepts unsolicited requests.

Eversource Energy Foundation Inc

Hartford, CT

The Eversource Energy Foundation funds U.S. 501(c)(3) nonprofits working on basic needs, education, environmental stewardship, community engagement, and economic or workforce development. It gives in Eversource’s service territory in Connecticut, Massachusetts, and New Hampshire; its 2024 median grant was $2,000, though awards ranged from $250 to $700,000.

The Community Foundation for Greater New Haven

New Haven, CT

The Community Foundation for Greater New Haven supports nonprofits working in civic vitality, arts and culture, health, and education across its 20-town Greater New Haven service area. Its 2024 grants had a median of $15,000, though amounts varied widely; it offers competitive, online application-based programs, but whether it accepts unsolicited requests is not stated.

Women's Business Development Council Inc

Stamford, CT

Women’s Business Development Council funds defined business projects for eligible Connecticut women-owned small businesses, as well as grants and support for qualified child care businesses. Recent grants ranged from $5,100 to $41,705, with a median of $10,000; listed programs offer awards from $2,500 up to $25,000. It serves applicants across Connecticut, and the profile describes program applications but does not state whether unsolicited requests are accepted.

Fairfield County's Community Foundation Inc

Norwalk, CT

Fairfield County’s Community Foundation funds local nonprofits addressing education and careers, economic security, health equity, housing, civic engagement, and related community needs in Fairfield County, Connecticut. Awards vary widely: capacity-building grants are up to $10,000, Community Impact Grants are $10,000–$15,000, and reported 2025 grants had a median of $24,080. It accepts unsolicited applications for some programs, including rolling capacity-building and small-grant opportunities; Strategic Partner Grants are invitation-only.

Viking Global Foundation Inc

Stamford, CT

Ion Bank Foundation Inc

Naugatuck, CT

Synchrony Foundation

Stamford, CT

In 2024, Synchrony Foundation supported charitable organizations across workforce development, education, financial assistance, and giving, with grants ranging from $150 to $2.6 million and a median of $10,000. Its largest shares of grant funding went to Connecticut, New York, and South Carolina, followed by the District of Columbia and New Jersey; it does not accept unsolicited requests and funds preselected organizations only.

Knights of Columbus Charitable Fund Inc

New Haven, CT

The fund supports Catholic organizations and other charities whose missions align with Catholic teachings, primarily through donor-advised grants; 2024 awards had a median of $16,250, though amounts varied widely. Its grants went to organizations across the United States, with the largest shares in Washington, DC, Ohio, Connecticut, Virginia, and California. It does not accept unsolicited grant applications.

Thomaston Savings Bank Foundation Inc

Thomaston, CT

The foundation supports arts and culture, community development, education and youth services, health and human services, and public safety, including qualifying programs run by religious organizations. It funds communities where Thomaston Savings Bank has a physical presence in Connecticut; awards typically average $2,000–$3,000, though amounts vary. It accepts applications through annual grant cycles.

Americares Foundation Inc

Stamford, CT

Americares funds health care organizations and programs focused on disaster preparedness and recovery, access to medicines and medical supplies, and community health services. In 2025, its grants ranged from $5,073 to $3.86 million, with a median of about $58,700; it works in the United States and internationally, reaching an average of 80 countries each year. The profile does not state whether it accepts unsolicited requests.