Oshkosh Area Community Foundation Corporation

Community Foundation for the Fox Valley Region Inc

Appleton, WI

The Community Foundation for the Fox Valley Region funds public charities and public entities across areas including arts and culture, education, health, human services, community improvement, and the environment, with many grants focused on the Fox Valley. Its 2024 grants ranged from $5,073 to $5,841,877, with a median of $24,900; some funds accept applications through the grant portal, while others are donor-directed or invitation-only.

Green Bay Packers Foundation

Green Bay, WI

The Green Bay Packers Foundation funds Wisconsin charities working in areas such as families, athletics, children’s safety and education, animal welfare, and other focus areas that vary by year. Its 2026 announcement describes typical awards of $3,000–$8,000, though some grants are larger; it accepts online applications during its stated cycle, February 2–April 1, 2026.

Greater Green Bay Community Foundation Inc

Green Bay, WI

The Greater Green Bay Community Foundation funds nonprofit programs and projects in areas including basic needs, education, health, arts and culture, the environment, and youth development, with its general grants program serving Brown, Kewaunee, and Oconto counties. Its Funds for Greater Green Bay program typically awards up to $20,000; applicants are asked to discuss proposals with the Foundation’s Community Impact Team before applying.

Otto Bremer Trust

St. Paul, MN

The Otto Bremer Trust funds organizations and projects addressing community needs and opportunities, including health care and social services, in Minnesota, Montana, North Dakota, and Wisconsin. In 2025, grants ranged from $3,500 to $4.2 million, with a median of $150,000. It does not accept unsolicited requests or direct grant applications; Community Responsive Fund grants are offered through selected intermediaries.

J J Keller Foundation Inc

Neenah, WI

The J J Keller Foundation funds 501(c)(3) public charities addressing basic needs, poverty, and mental and physical health, including food, housing, clothing, and life skills, in five Wisconsin counties: Outagamie, Winnebago, Calumet, Waupaca, and Brown. Its 2025 grants had a median of $14,500, with awards ranging from $50 to $600,000. The filing says it does not accept unsolicited requests, though its website invites new applicants to contact the foundation before applying.

US Ventureschmidt Family Foundation

Appleton, WI

The foundation supports nonprofits working in education, health, family services, and community development, primarily in Wisconsin, where 67% of its 2024 grant dollars went. Its 2024 grants ranged from $250 to $800,000, with a median of $10,000; it accepts online applications through the U.S. Venture grant and sponsorship program, with deadlines in January, April, August, and October.

Theda and Tamblin Clark Smith Family

Wilmington, DE

The foundation supports charitable organizations in health care, youth services, education, homelessness, and community support, with most 2024 funding going to Wisconsin organizations. Its 2024 grants ranged from $100 to $157,000, with a median of $6,500. It funds only preselected organizations and does not accept unsolicited requests.

Thrivent Charitable Impact & Investing

Appleton, WI

Thrivent Charitable Impact & Investing distributes donor-directed and program donations to a broad range of causes and organizations in local, national, and global communities. Its 2024 grants had a median of $11,520 and ranged from $5,006 to $5 million. The profile does not state whether it accepts unsolicited requests.

Alliant Energy Foundation Inc

Madison, WI

Greater Milwaukee Foundation Inc

Milwaukee, WI

The Greater Milwaukee Foundation funds nonprofits working on regional needs such as education, housing, basic needs, health, arts and culture, and small business, with an emphasis on racial equity. Most 2024 grants were relatively modest (median $27,778), though amounts ranged from $5,017 to $4.56 million; its competitive cycles serve organizations in Milwaukee, Waukesha, Ozaukee and Washington counties. It accepts applications through competitive grant cycles held three times a year.

Give Back Foundation

Madison, WI

Give Back Foundation distributes donor-designated contributions through workplace giving and other giving platforms to selected 501(c)(3) charities, rather than setting its own cause areas. In 2025, grants had a median of $9,066, with recipient organizations concentrated in Virginia, California, and Washington, D.C.; it does not accept unsolicited requests or work directly with charities.

United Way of Greater Milwaukee

Milwaukee, WI

United Way of Greater Milwaukee & Waukesha County funds local human services and community programs focused on housing stability, digital access, employment, teen mental wellness, and community resilience. Its 2025 grants ranged from $5,000 to about $2 million, with a median of about $34,000, and most funding went to Wisconsin, especially its four-county region. It requires a Letter of Intent before a full application; the listed 2026–27 Letter of Intent deadline has passed.