Northeast

Connecticut
Maine
Massachusetts
New Hampshire
New Jersey
New York
Pennsylvania
Puerto Rico
Rhode Island
Vermont
Canada

Southeast

Alabama
Delaware
Florida
Georgia
Kentucky
Maryland
Mississippi
North Carolina
South Carolina
Tennessee
Virginia
Washington, D.C.
West Virginia

Midwest

Illinois
Indiana
Iowa
Kansas
Michigan
Minnesota
Missouri
Nebraska
North Dakota
Ohio
South Dakota
Wisconsin

Southwest

Arkansas
Colorado
Louisiana
New Mexico
Oklahoma
Texas
Switzerland

West

Alaska
Arizona
California
Guam
Hawaii
Idaho
Montana
Nevada
Oregon
Utah
Washington
Wyoming
Bulgaria

Our chapters in other countries are divided among our five regions based on a number of criteria.  Universities in Mexico are currently divided between the west and southwest.