IAEM-USA members individuals residing in the United States, or its territories and protectorates, or serving its interests from outside the United States, who are professionally engaged or interested in the promotion of emergency management and allied fields. The IAEM-USA Council includes IAEM-USA Membership Regions that correspond with those established by the Federal Emergency Management Agency (FEMA). The IAEM-USA Council is governed by a Board of Directors that includes representatives from each IAEM-USA Region, as well as officers elected by all IAEM-USA members.

A listing of U.S. states comprising each of the IAEM-USA regions is provided below, with a link to each regional Web page.

Region 1
Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

Region 2
New Jersey, New York, Puerto Rico, and Virgin Islands.

Region 3
Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and Washington DC.

Region 4
Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee.

Region 5
Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.

Region 6
Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.

Region 7
Iowa, Kansas, Missouri, and Nebraska.

Region 8
Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming.

Region 9
Arizona, California, Hawaii, Nevada, Pacific Trust, and Territories, including American Samoa, Guam, and Northern Mariana Islands.

Region 10
Alaska, Idaho, Oregon, and Washington.