Ogilvie Family Foundation Inc

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.

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.

Mercy Works Foundation

Germantown, WI

The foundation supports religious and mission-focused organizations, health care, and water-access work. Its 2024 grants ranged from $1,000 to $200,000, with a median of $19,500; Wisconsin received the largest share of funding, alongside grants to organizations in several other states. It funds only preselected charitable organizations and does not accept unsolicited requests.

The Clarence Wallace & Dolores Lynch

Appleton, WI

The foundation supports nonprofits working on housing and homelessness, basic needs, employment, literacy, youth, and other community needs, primarily in Wisconsin. Its 2025 grants ranged from $500 to $25,000, with a $4,000 median. It does not limit giving to preselected organizations; eligible 501(c)(3) public charities may request application materials through its consultant.

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.

Hartwig Family Foundation Inc

Appleton, WI

The Hartwig Family Foundation funds charitable organizations in areas including arts and culture, education, health, human services, and community activities, with 2025 grants going to Wisconsin recipients, especially in the Fox Valley. Grants ranged from $2,500 to $200,000, with a median of $10,000. It contributes only to preselected organizations and does not accept unsolicited requests.

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.

Oshkosh Area Community Foundation Corporation

Oshkosh, WI

The Oshkosh Area Community Foundation funds charitable and educational work, including community arts, basic needs, youth programs, and nonprofit capacity, in Winnebago, Waushara, and Green Lake counties and the City of Ripon. Its 2025 grants had a median of $18,550 and ranged from $5,250 to $1 million; it offers competitive grant programs with varying guidelines and eligibility.

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.