Mayer Family Foundation Inc

Warden Family Foundation Inc

West Allis, WI

The Warden Family Foundation supports a range of community programs; its 2025 grants included equine therapy, housing, and lodging for people facing medical travel. Grants ranged from $5,000 to $50,000, with a median of $7,500, and went mainly to Wisconsin, as well as Texas and Minnesota. It accepts requests: applicants should contact Arlene Warden with a letter explaining how the funds would be used; no deadline is listed.

United Way of Washington County Inc

West Bend, WI

United Way of Washington County funds measurable health and human-service programs aligned with Education, Financial Stability, and Health for Washington County residents. Its 2024 grants averaged about $55,700, and it accepts applications from eligible nonprofit agencies through its community investment process.

Prescott Family Foundation Inc

West Bend, WI

The foundation funded community development, education, recreation, arts and culture, environmental projects, youth programs, and community services, primarily in Wisconsin. In 2023 it made 26 grants totaling about $5.6 million; the median grant was $4,000, though awards ranged widely. Its final 2023 filing says it accepted no unsolicited requests, and the foundation appears to have wound down.

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.

Marjorie Siebert Aylen Foundation

Milwaukee, WI

Alvin a Marion Birnschein

Milwaukee, WI

The foundation funds a range of Wisconsin organizations, including universities, disability services, public media, and community organizations. Its 2025 grants ranged from $6,000 to $30,000, with a median of $15,000; it instructs applicants to contact the foundation and says giving is not limited to preselected organizations.

Schoenleber Foundation Inc

Milwaukee, WI

The Schoenleber Foundation funds a broad range of Wisconsin organizations, including those working in research, education, health, hunger relief, arts and culture, and human services. Its 2025 grants ranged from $1,000 to $60,000, with a median of $15,000; it accepts requests by application, which applicants can obtain by contacting Frank W Bastian, with a July 31 deadline.

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.

West Bend Community Foundation Inc

Milwaukee, WI

The West Bend Community Foundation funds operating, special-project, and capital grants in areas including arts and culture, scholarship organizations, the environment, family and youth services, health, and community development. Its 2024 median grant was $22,000, with awards generally focused on improving lives in the greater West Bend, Wisconsin area; the profile does not state whether it accepts unsolicited requests.

Kolaga Family Charitable Trust

Pewaukee, WI

The Kolaga Family Charitable Trust supports food, health care, social services, and arts and cultural organizations, primarily in Wisconsin. Its 2025 grants ranged from $1,000 to $18,000, with a median of $2,000. It accepts applications from 501(c)(3) organizations; applicants should describe their organization and its purpose, and no deadline is stated.

James & Leigh Peterson Family Foundation

Waukesha, WI

The foundation’s grants support education, public welfare, and charitable organizations, including schools and groups serving people in crisis, veterans, and people with disabilities; most funding goes to Wisconsin organizations. In 2024, grants ranged from $500 to $50,000, with a median of $2,500. 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.