Clemens Family Foundation

Boston Foundation Inc

Boston, MA

The Boston Foundation funds nonprofits and community initiatives focused on equity and opportunity, including child well-being, economic opportunity, community wealth, and community leadership, primarily in Greater Boston. Its 2025 grants had a median of $25,000, while specific programs offer amounts such as $50,000; whether it accepts unsolicited requests is not stated.

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.

John D and Catherine T Macarthur Foundation

Chicago, IL

The MacArthur Foundation funds work advancing a more just, verdant, and peaceful world, including climate solutions, criminal justice, journalism, technology, and Chicago. In 2024, its grants had a median of $160,000, though awards ranged widely; it generally does not accept unsolicited requests, with possible exceptions for specific open calls or proposals that meet program guidelines.

Greater Houston Community Foundation

Houston, TX

The Foundation makes grants through donor-advised and other donor-established funds for public benefit, human services, education, and health, including initiatives addressing economic mobility and poverty in Harris County. In 2024, its median grant was $25,000; it serves Greater Houston, while grants also go to recipients elsewhere in Texas and beyond. It does not accept proposals for the upcoming High-Impact Grantmaking cycle and plans to invite selected organizations or collaboratives to apply.

Community Foundation Boulder County

Boulder, CO

Community Foundation Boulder County funds a broad range of causes, including education, health and human services, arts and culture, the environment, animal welfare, civic engagement, and programs for youth and specific communities. Its 2024 grants ranged from $5,030 to $5,275,000, with a median of $16,480; discretionary grants support work in Boulder County or benefiting its residents. It does not accept unsolicited requests, letters of interest, or proposals outside grant application periods.

Eastern Bank Foundation

Wakefield, MA

Eastern Bank Foundation supports economic inclusion and mobility, including small businesses, early childhood development, affordable housing, and workforce development. Its 2025 grants ranged from $50 to $2,002,500, with a median of $2,500, primarily in Massachusetts and also in New Hampshire and Rhode Island. It accepts online applications and does not limit giving to preselected organizations.

Barr Foundation

Boston, MA

The Barr Foundation funds arts and creativity, climate, education, and New England’s social sector, primarily through long-term support for organizations in New England. Its 2024 grants ranged from $100 to $3.275 million, with a median of $80,000. Its filing says it accepts only requests from preselected organizations and does not accept unsolicited requests, though its website describes program-page inquiries and occasional open calls.

Liberty Mutual Foundation Inc

Boston, MA

Liberty Mutual Foundation funds basic needs such as food and shelter, education and workforce development, and climate and community infrastructure, including homelessness and community preparedness programs. Its 2024 grants had a median of $35,000, and most funding supports organizations or programs serving the Boston area, though it also gives elsewhere. It accepts unsolicited online requests on a rolling basis, with no submission deadlines.

Cummings Foundation Grants Inc (FKA Oneworld Boston Inc)

Woburn, MA

Cummings Foundation Grants Inc. funds nonprofits working in human services, education, healthcare, fairness and justice, and the environment, primarily in greater Boston and eastern Massachusetts. Its 2024 grants ranged from $1,000 to $3.5 million, with a median of $35,000; it accepts letters of inquiry through an online portal during its application cycle, which was not open at the time described.

American Tower Corporation Foundation

Boston, MA

Seattle Foundation

Seattle, WA

Seattle Foundation supports community-led solutions, racial and economic equity, policy and systems change, and a broad range of community needs through donor-recommended and foundation-directed grants. Its 2024 median grant was $6,000, and its giving primarily serves Greater Seattle and Washington, with some grants made nationally and internationally.