- Alabama
- Alaska
- Arizona
- Arkansas
- Florida
- Georgia
- Idaho
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Michigan
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Pennsylvania
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Virginia
- West Virginia
- Wisconsin
- Wyoming
Colorado also has agreements with the following U.S. territories:
- Guam
- Northern Mariana Islands
- Puerto Rico
- U.S. Virgin Islands
