The states that license examiners

States that license polygraph examiners:

Alabama

Arkansas

Illinois

Indiana

Iowa

Kentucky

Louisiana

Maine

Massachusetts

Michigan

Mississippi

Missouri (only needed in St. Louis County)

Nebraska

Nevada

New Mexico

New York (only needed in Erie & Suffolk Counties)

North Carolina

North Dakota

Oklahoma

Oregon

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

West Virginia

(from the www.AmericanPolygraphAcademy.com Licensing page)