The American Radio Relay League Inc

Andrew Kramer Foundation

Lake Elsinore, CA

The Tinybell Charitable Fund

Wilmington, DE

The Tinybell Charitable Fund supports charitable organizations, including educational institutions, with recent grants going to recipients in California, Hawaii, New York, and Rhode Island. In 2024, it made 11 grants totaling $453,000, ranging from $1,000 to $170,000, with a median grant of $10,000. It funds only preselected organizations and does not accept unsolicited requests.

The Yasme Foundation

Indianola, WA

Karen Alice Nilsen Olsen

Parker, CO

This foundation supports a broad range of charitable work, including blood cancer services, youth programs, homelessness prevention, veterans, food security, animal care, and community services. Its 2025 grants ranged from $800 to $10,000, with a median of $2,000, and went mainly to organizations in Washington, Oregon, Colorado, California, and Florida, as well as other states. It gives only to preselected organizations and does not accept unsolicited requests.

Duke Energy Foundation

Charlotte, NC

The Duke Energy Foundation funds workforce and local economic development, disaster resilience, conservation, clean water, and economic opportunity in North Carolina, South Carolina, Florida, Ohio, Kentucky, and Indiana. Its 2024 grants had a median of $25,000; applications for grants of $20,000 or less are accepted year-round, after applicants discuss proposals with a state representative.

Amateur Radio Digital Communications

San Diego, CA

Amateur Radio Digital Communications funds amateur radio, digital communications, education, research and development, and open-source communications projects in the United States and internationally. Its 2025 grants ranged from $1,000 to $507,500, with a median award of $10,662. Its 2025 filing says it does not accept unsolicited requests, although its application instructions describe an online application process for eligible organizations.

Posner-Wallace Foundation

Wilmington, DE

Conrad N Hilton Foundation

Westlake Village, CA

The Conrad N. Hilton Foundation funds nonprofits working to improve lives and alleviate poverty, with initiatives including early childhood development, homelessness, refugees, safe water, and support for foster and opportunity youth. Its work is global, and its 2024 grants had a median award of $76,000. It generally does not accept unsolicited requests, except through its Good Neighbor Program for eligible local nonprofits and Title 1 schools.

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.

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.