Mankwitz Family Foundation

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.

The Janus Henderson Foundation

Denver, CO

First Interstate BancSystem Foundation

Billings, MT

The First Interstate BancSystem Foundation funds poverty reduction, youth development, financial education, and community development, as well as civic, arts, education, health, human services, and sustainability efforts in communities served by First Interstate Bank across 10 states. Its 2025 grants had a median award of $2,500, though amounts varied widely; the stated minimum grant is $2,500. Organizations can submit grant requests online, which are traditionally reviewed monthly, but grants must be recommended by a local First Interstate branch.

Colorado Gives Foundation

Arvada, CO

Colorado Gives Foundation funds nonprofits serving Jefferson County in areas including food security, early care and education, workforce development, housing, health and convenient neighborhoods; it also offers statewide nonprofit capacity-building support. Typical giving varies widely: its 2024 median grant was $17,814, while Thriving Jeffco Responsive Grant awards ranged from $2,500 to $100,000. It accepts applications through listed grant opportunities, but whether it accepts unsolicited requests is not stated.

Rose Community Foundation

Denver, CO

Rose Community Foundation funds nonprofits in the seven-county Greater Denver region across Jewish life, education and economic opportunity, health, and community wellbeing, with some statewide initiatives. Its 2024 itemized grants ranged from $5,050 to $1,348,353, with a median of $25,000; it accepts inquiries for listed funding opportunities, but whether it accepts unsolicited requests generally is not stated.

Christian Community Foundation Inc

Colorado Springs, CO

WaterStone supports domestic and international nonprofits, including Christian ministries and charitable and educational organizations, through donor-directed grants; eligible organizations must be IRS-recognized 501(c)(3)s whose mission aligns with its Statement of Faith. Its 2025 grants had a median of $20,000, with awards ranging from $5,028 to $11 million, and were concentrated in Texas and Colorado. Grant recommendations come from donor-advised fund holders; the profile does not state that it accepts unsolicited requests.