Institute of Nautical Archaeology Foundn

Langworthy Foundation

Carson City, NV

The Griffis Foundation Inc

Lyme, CT

The Merops Foundation

Philadelphia, PA

The Merops Foundation funds archaeology fellowships, excavations, research, conservation, and related work, with some support for remediation and other charitable projects. Its 2024 grants ranged from $5,000 to $160,000, with a median of $33,000, and went to recipients in several states, including Pennsylvania, Michigan, New York, Illinois, and Nebraska. It funds only preselected charitable organizations and does not accept unsolicited requests.

Institute for Aegean Prehistory

New York, NY

The Institute for Aegean Prehistory funds archaeological research and publication on Aegean prehistory, especially excavation, surveys, scientific analysis, conservation, and related work in Greece and the Mediterranean. Its 2025 grants ranged from $1,059 to $1,202,764, with a median of $12,000; it says it will offer only Publication Team Grants for the foreseeable future. Current procedures for applying are not established in the available information.

Steinmetz Foundation

Irvine, CA

The Steinmetz Foundation supports education, youth development, research, and environmental and cultural programs, with most 2024 funding going to California organizations. Its 32 grants ranged from $2,600 to $175,000, with a median of $50,000. It does not accept unsolicited requests and gives only to preselected organizations.

Alex G Nason Foundation Inc

Stamford, CT

The foundation supports organizations in education, mental health, arts, human services, and humanitarian assistance, with recent grants concentrated in Florida, Washington, Connecticut, and California. Its 2025 grants ranged from $1,000 to $15,300, with a median of $2,750. It funds only preselected charities and does not accept unsolicited requests.

Konstantin Family Foundation

Wilmington, DE

Stern Sidney Memorial Tuw

Saint Louis, MO

The Sidney Stern Memorial Trust funds U.S. nonprofits working in areas including education, youth camps, food security, equity, legal services, health, arts, and scientific research. Its 2025 grants ranged from $1,000 to $63,000, with a median of $3,500; it accepts requests year-round, with no submission deadlines.

Community Foundation of Tampa Bay Inc

Tampa, FL

The Community Foundation of Tampa Bay funds nonprofits through competitive grants and other programs focused on economic opportunity, environmental resilience, health and wellbeing, education, and vibrant communities. Its typical grant is about $25,000, and it serves Hillsborough, Pinellas, Pasco, Hernando, and Citrus counties. It accepts applications through its competitive grants process and rolling Critical Needs List.

Communities Foundation of Texas Inc

Dallas, TX

Communities Foundation of Texas funds a broad range of community needs, including health, education, housing, and community development, primarily in North Texas and across Texas. Its 2025 grants had a median of about $18,800, though amounts varied widely; nearly all opportunities are by invitation, with some specific programs open for applications.

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.