Institutional Membership is open to universities, colleges, K-12 schools, libraries, museums, and other education institutions that have facilities professionals.

The Southeastern region of APPA serves the states of Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia; the U.S. Virgin Islands and the Commonwealth of Puerto Rico; and the Mexican states of Campeche, Chiapas, Oaxaca, Quintana Roo, Tabasco, and Yucatan