The Marguerite Casey Foundation was created by Casey Family Programs in 2001 to help expand Casey's outreach and further enhance its record of leadership in child welfare. Based in Seattle, the Marguerite Casey Foundation is a private, independent grantmaking foundation dedicated to helping low-income families strengthen their voice and mobilize their communities.

The Annie E. Casey Foundation is a private charitable organization dedicated to helping build better futures for disadvantaged children in the United States. It was established in 1948 by Jim Casey and his siblings, who named the foundation in honor of their mother.

Casey Family Services was established by Jim Casey in 1976 as a source for high-quality foster care. The direct service arm of the Annie E. Casey Foundation, Casey Family Services offers a broad range of programs for vulnerable children and families in Baltimore and throughout the Northeast.

Jim Casey Youth Opportunities Initiative was created in 2001 by Casey Family Programs and the Annie E. Casey Foundation. Based in St. Louis, the initiative is a national effort to help youth in foster care make successful transitions to adulthood.