Alaskan Region includes the state of Alaska.

Central Region includes the states of Iowa, Kansas, Missouri, and Nebraksa.

Eastern Region includes the states of Delaware, Maryland, New Jersey, New York, Pennsylvania, Virginia, West Virginia, and Washington, DC.

Great Lakes Region includes the states of Illionis, Indiana, Michigan, Minnesota, North Dakota, Ohio, South Dakota, and Wisconsin.

Mike Monroney Aeronautical Center includes the state of Oklahoma and is located in Southwest Region.

New England Region includes the states of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

Northwest Mountain Region includes the states of Colorado, Idaho, Montana, Oregon, Utah, Washington, and Wyoming.

Southern Region includes the states of Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee.

Southwest Region includes the states of Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.

William J. Hughes Technical Center is in the state of New Jersey located in Eastern Region.

Western Pacific Region includes the states of Arizona, California, Hawaii, and Nevada.