Save Our Great Salt Lake

Sam and Peggy Grossman Family Foundation

Phoenix, AZ

The foundation supports charitable organizations carrying out the purposes of the Arizona Community Foundation, with recent grants spanning arts, education, environment, health, and other causes. Its 2025 grants ranged from $7,500 to $50,000, with a median of $20,000, and went to organizations in several states, mostly Idaho, California, New York, Pennsylvania, and Colorado. The profile does not state whether it accepts unsolicited requests.

The Sanford Foundation

Mercer Island, WA

The Sanford Foundation funds 501(c)(3) organizations across varied causes, with most 2025 grant dollars going to Oregon and smaller amounts to Idaho, Washington, D.C., and Pennsylvania. Its 2025 grants ranged from $100 to $20,000, with a median of $1,000. It gives only to preselected organizations and does not accept unsolicited requests.

Boswell Family Foundation

Hailey, ID

The Boswell Family Foundation supports health care, crisis services, recovery, education, recreation, and community well-being, primarily in Idaho’s Wood River Valley; nearly all 2025 grant dollars went to Idaho, with a small share going to California. In 2025, it made 46 grants totaling $191,268, ranging from $40 to $50,000, with a median grant of $2,250. It funds only preselected organizations and does not accept unsolicited requests.

The James & Barbara Cimino

San Juan, PR

The foundation typically funds education and environmental causes, with 2024 grants ranging from $1,000 to $220,000 and a median of $7,500. Most 2024 funding went to Idaho, followed by Puerto Rico, Montana, and Washington, D.C. It considers requests beyond a preselected list; applicants should write to Robert Cimino with a specific program explanation.

Christensen Family Foundation

Ketchum, ID

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.