Bass Blankstein Foundation

Lucy E Holcombe Charitable Foundation

Warren, RI

H a Vance Foundation Inc

West Hartford, CT

The H A Vance Foundation supports education programs, including public school initiatives, college and career planning, college success, and teacher development, primarily in Connecticut, with some funding in Massachusetts. Its 2025 grants ranged from $20,000 to $100,000, with a median grant of $50,000. It funds preselected charitable organizations and does not accept unsolicited requests.

Teel's Marsh Foundation

Avon, CT

Teel’s Marsh Foundation supports charitable organizations across areas including education, conservation, animal welfare, health, family services, and athletics for people with intellectual disabilities. Its 2025 grants ranged from $500 to $25,000, with a median of $2,500, and went mainly to organizations in Connecticut, followed by Montana, New York, Texas, and Vermont. It funds only preselected organizations and does not accept unsolicited requests.

The Ilsababy Foundation

Sullivans Island, SC

The Ilsababy Foundation funds medical aid, education, housing, homelessness assistance, disability services, and food access, with grants to organizations in South Carolina and across the country. Its 2025 grants ranged from $18,000 to $1 million, with a median of $77,500. It funds only preselected charities and does not accept unsolicited requests.

Hartford Hospital

Hartford, CT

Hartford Hospital’s grants support health, cancer, and community-focused organizations and programs. In 2025, it awarded 37 grants ranging from $5,200 to $138,333, with a median grant of $15,000; most funding went to Connecticut, though grants also went to other states. The materials do not state whether it accepts unsolicited grant requests.

The Petit Family Foundation Inc

Plainville, CT

The Petit Family Foundation funds education—especially for young people and women in science—support for people affected by chronic illness, and programs that help or protect people affected by violence. General Project Support grants are typically $500–$10,000, with preference for local New England nonprofits; most 2025 grant dollars went to Connecticut. It accepts applications for General Project Support, but does not accept unsolicited requests for Signature Grants.

The Herbert & Nell Singer Foundation Inc

Wilmington, DE

The foundation’s grants support varied charitable work, including research innovation, immigrant services, legal aid, and programs for young people and families; in 2025, most funding went to New York, followed by Connecticut. Grants ranged from $2,500 to $10 million, with a median of $17,500, but the foundation funds only preselected organizations and does not accept unsolicited requests.

The Robert & Margaret Patricelli Family

Simsbury, CT

The Robert & Margaret Patricelli Family supports higher education, community development, the arts, public policy, schools, and the environment, with 96% of its 2025 grant dollars going to Connecticut organizations. Grants ranged from $100 to $510,000, with a median of $2,350. Applicants must be 501(c)(3) public charities; the profile does not state whether unsolicited requests are accepted.

Harvard Pilgrim Health Care Foundation Inc

Canton, MA

The foundation funded community health and wellness work, including food access, healthy aging, health disparities, and community programs, in Connecticut, Maine, Massachusetts, and New Hampshire. Available filings do not establish a typical grant size, and the profile does not state whether it accepted unsolicited requests. It dissolved in 2022, transferring its assets and operations to Point32Health Foundation.

Tapper Charitable Foundation

Mashpee, MA

The foundation supports arts and cultural organizations, educational institutions, and nonprofits providing social, community, and hunger-relief services, with most 2025 funding going to New York and Massachusetts. Its median grant was $5,000, though awards ranged from $25 to $793,580. It does not accept unsolicited requests and gives only to preselected organizations.

Hampshire Foundation Inc

Wilmington, DE

Hampshire Foundation funds work that helps rural communities and disadvantaged youth increase incomes and adapt to change, including rural livelihoods, youth jobs, and environmental initiatives. Its 2024 grants ranged from $1,000 to $2 million, with a median of $250,000, supporting work in regions including Myanmar, Uganda, East Africa, and India. The profile does not state whether it accepts unsolicited requests.

The William and Alice Mortensen

West Hartford, CT

The foundation supports program assistance for arts and cultural, educational and science, library, conservation, housing, and social-service organizations, primarily in Connecticut, with a small share of giving in Massachusetts. Its 2025 grants ranged from $3,500 to $60,000, with a median of $10,000. It funds only preselected charitable organizations and does not accept unsolicited requests.