The Unites States has been organized into regions in an effort to encourage local activites and collaboration among association members and institutions.

Mid-Atlantic - Delaware, Maryland, New Jersey, Pennsylvania, Washington, DC, Virginia, West Virginia

Mid-West - Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin

 

Northeastern - Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, New York

 

Southern  - Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee

Western - Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oklahoma, Oregon, Utah, Washington, Wyoming, Texas