Grable Foundation is an independent non-profit foundation based in Pittsburgh, Pennsylvania. Established in 1977 by Minnie K. Grable, widow of the founder of Rubbermaid, the foundation primarily provides grants to organizations that improve educational opportunities, strengthen families and support community efforts that create an environment in which children can succeed. The assets of the foundation are managed by the board of directors.The Grable Foundation's investment portfolio is valued at over $301.26 million, with investments in domestic and international equities, fixed income, private equity, and cash.