The Knott Family Foundation Inc

Enterprise Holdings Foundation

Saint Louis, MO

The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.

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.

IBM International Foundation

Armonk, NY

The IBM International Foundation funds education and workforce programs that build 21st-century and technology job skills, including initiatives for underserved students and job seekers. Its 2024 grants ranged from $10,000 to $8.48 million, with a median of $100,000, and went to organizations across several U.S. states, especially Delaware and Massachusetts. It funds only preselected organizations and does not accept unsolicited requests.

Barnes Family Foundation

Durham, NC

The Durham-centric Barnes Family Foundation supports nonprofits focused on individual development, including education, child development, health, literacy, senior support, and community needs, primarily in North Carolina. Its 2025 grants ranged from $10,000 to $250,000, with a median of $25,000. It does not accept unsolicited funding requests and gives only to preselected organizations.

The Byrne Foundation Inc

Morrisville, NC

The Byrne Foundation supports charitable organizations across areas including children’s programs, education, health research, golf, and public media. In 2025, grants ranged from $1,000 to $15,000, with a median of $5,000, and went mainly to North Carolina organizations, as well as recipients in Tennessee and New Jersey. It funds only preselected organizations and does not accept unsolicited requests.

Aetna Foundation Inc

Hartford, CT

Aetna Foundation supported health and wellness, access to health care, and related community needs; its 2021 grants ranged from $5,000 to $1 million, with a median of $40,000, and went to organizations across multiple states, especially in D.C. and Connecticut. Its 2021 filing was marked final, so it appears to have ended or be winding down grantmaking; that filing said there were no restrictions on who could apply and pointed applicants to its website for application materials.

Silverback Foundation Inc

Durham, NC

Silverback Foundation funds health, education, youth, arts, science education, and community organizations, with most of its giving in North Carolina. Its 2024 grants ranged from $500 to $25,000, with a median of $2,000. It accepts unsolicited requests, requires no specific application form, and has no stated deadline.

Louis DeJoy & Aldona Z Wos Family Foundation Inc

Greensboro, NC

The foundation funds education and youth development, community projects, and public policy initiatives, with recent grants concentrated in North Carolina and Washington, DC. In 2024, grants ranged from $1,000 to $501,000, with a median of about $18,000. Applications are accepted but not required.

The Goodman Foundation Inc

Salisbury, NC

The Goodman Foundation supports charitable organizations across varied fields, including science education, food access, animal welfare, housing, children and families, and conservation. Its 2025 grants ranged from $1,000 to $58,000, with a median of $8,750; most funding went to North Carolina and Texas, with smaller amounts going to Washington, D.C., Georgia, and Connecticut. It funds only preselected organizations and does not accept unsolicited requests.

The Stelio and Betty Tracy Corte

Bluefield, WV

Triangle Community Foundation Inc

Durham, NC

The foundation supports nonprofits in cultural arts, education and youth, nonprofit capacity building, and sustainable communities, with grants also benefiting fields such as health, conservation, and human services. Its 2025 grants had a median of $20,000 and ranged from about $5,000 to $1.39 million; it primarily serves Durham, Orange, Wake, and Chatham Counties in North Carolina. It accepts applications for competitive discretionary programs during open grant cycles; donor-advised fund grants are also made.

Carlson Family Foundation

Chapel Hill, NC

The Carlson Family Foundation supports organizations working in areas including addiction recovery, environmental education, public schools, early education, cancer, and rare diseases. In 2025, its 100 grants ranged from $30 to $78,568, with a median of $10,000; it funded recipients in North Carolina and other states, with the largest share of grant dollars going to North Carolina. The foundation funds only preselected organizations and does not accept unsolicited requests.