Robert L Zimmerman Charitable Foundation

Christopher Goodell Memorial Foundation

Upper Saddle River, NJ

The Plymouth Rock Assurance Foundation

Boston, MA

The Plymouth Rock Assurance Foundation supports nonprofits serving communities in need, with interests in education for underserved students, violence prevention for vulnerable youth, and health and safety advocacy for at-risk populations. Its recent filings show two grants a year totaling about $826,000–$990,000, though the recipients were in South Carolina; its stated community-support region includes Connecticut, Massachusetts, New Hampshire, New Jersey, New York, and Pennsylvania. It funds only preselected organizations and does not accept unsolicited requests.

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.

Community Fdn of Greater Des Moines F/K/a Greater Des Moines Community Fdn

Des Moines, IA

The Community Foundation of Greater Des Moines supports projects that improve quality of life in Greater Des Moines, including housing and transportation access, health, economic opportunity, inclusive communities, and nonprofit capacity-building. Its 2024 itemized grants had a median of about $12,900, though awards ranged from roughly $5,000 to $7.34 million.

Pella Rolscreen Foundation

Pella, IA

The Pella Rolscreen Foundation supports charitable organizations working in education and community betterment, including civic, cultural, social, and physical-environment programs in communities where Pella Corporation employees live. Large grants generally range from $10,000 to $50,000 and typically cover no more than 25% of project costs; its 2024 grants had a median of $1,029. It accepts unsolicited requests from eligible 501(c)(3) nonprofits and government entities in communities where Pella has manufacturing plants.

Prairie Meadows Race Track and Casino Inc

Altoona, IA

Prairie Meadows supports Iowa nonprofits in arts and culture, education, economic development, human services, and youth sports and recreation; Legacy grants focus on large-scale projects in central Iowa. Its programs offer $100–$1 million for Legacy, $100–$99,999 for Community Betterment, and $1,000–$50,000 for Youth Sports and Recreation. It accepts applications through its online system; the 2026 deadline was February 27, 2026, and has passed.