Lynden Inc

Astor Street Foundation Inc

Milwaukee, WI

The foundation supports charitable organizations in arts and culture, education, health, human services, and the environment, primarily in Wisconsin, with grants also going to organizations in other states. Its 2025 grants ranged from $1,000 to $125,000, with a median of $5,000. It does not accept unsolicited requests and gives only to preselected organizations.

Richard and Ethel Herzfeld

Milwaukee, WI

The Richard and Ethel Herzfeld Foundation funds arts and culture, education—including arts and early childhood education—and civic improvements for 501(c)(3) nonprofits based in Wisconsin, with emphasis on Greater Milwaukee. In 2024, grants ranged from $5,000 to $700,000, with a median of $30,000. It is not currently accepting unsolicited requests: for the remainder of 2026, projects will be considered by invitation only.

Margaret a Cargill Foundation

Eden Prairie, MN

The foundation funds quality of life, the arts, the environment and humane treatment of animals, including conservation, community preparedness and services for older adults. Its 2024 grants ranged from $250 to $3.662 million, with a median of $250,000, and went to organizations across the U.S., led by Minnesota, Washington, D.C., Maryland and New York. Grant proposals are invitation-only, so it does not accept unsolicited requests.

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.

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.

Dane Buy Local Foundation Inc

Madison, WI

Dane Buy Local Foundation supports buy-local education, collaboration, and programs that strengthen locally owned businesses and communities in Dane County and South Central Wisconsin; it also offers scholarships to area high school seniors pursuing post-secondary business or entrepreneurship studies. No typical award amount is stated, and the information does not say whether the Foundation accepts unsolicited funding requests.

Alliant Energy Foundation Inc

Madison, WI

Give Back Foundation

Madison, WI

Give Back Foundation is a 501(c)(3) donor-advised fund that encourages philanthropy by providing a platform to facilitate charitable giving. Founded in 2009, the organization helps connect donors with causes they care about, making it easy to distribute donations to multiple charities. The foundation serves as the steward for the Combined Federal Campaign, the world's largest workplace giving program, processing tens of thousands of donation transactions annually to thousands of charitable partners.

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.

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.

Community Foundation for the Fox Valley

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 foundation provides need-based scholarships to Wisconsin high school seniors who played on or managed their school’s basketball team and will attend a University of Wisconsin System institution. Its 2025 awards ranged from $5,000 to $25,000, with a median of $10,000; four-year awards are $10,000 per year and may be renewed. Students apply online during the February 1–April 30 application period; unsolicited requests are not addressed.