William & Sandy Heitz Family Foundation

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.

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.

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.

Evan & Marion Helfaer Foundation

Elm Grove, WI

The Evan & Marion Helfaer Foundation supports Wisconsin organizations across education, health, conservation, culture, and human services. In 2025, it made 94 grants ranging from $350 to $400,000, with a median grant of $1,500; it accepts requests using a written form and lists no deadlines.

Anon Charitable Trust

Milwaukee, WI

The trust funds scientific, literary, educational, or religious purposes, with nearly all 2024 grants going to organizations in Wisconsin. Its 130 grants ranged from $1,000 to $125,000, with a median of $10,000. It accepts requests by letter describing the organization and project, with evidence of qualifying public-charity status.

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

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 & Waukesha County Inc

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.

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.

Ab Nicholas Scholarship Foundation

Mequon, WI

The AB Nicholas Scholarship Foundation funds renewable, need-based college scholarships for Wisconsin high school seniors who played on or managed their school basketball team and plan to attend a University of Wisconsin System institution. Awards are typically $10,000 per year, renewable for up to four years; applications are submitted online during the stated February 1–April 30 application period.