| Airport Ground Transportation Association (AGTA) |
| American Association of Airport Executives (AAAE) |
| American Public Transportation Association (APTA) |
| Arizona Transit Association (AZTA) |
| Arkansas Transit Association (ATA) |
| California Bus Association (CBA) |
California Association For Coordinated Transportation (CalACT)
|
| California Transit Association (CTA) |
| Community Transportation Association of America (CTAA) |
Connecticut Association for Community Transportation (CACT)
|
| Conference of Minority Transportation Officials (COMTO) |
| Colorado Association of Transit Agencies (CASTA) |
| Florida Public Transportation Association (FPTA) |
| Georgia Transit Association (GTA) |
| Illinois Public Transit Association (IPTA) |
| Indiana Transit Association (ITA) |
| Iowa Public Transit Association (IPTA) |
| Kansas Transit Association (KTA) |
| Kentucky Public Transit Association (KPTA) |
| Louisiana Transit Association (LTA) |
| Minnesota Public Transportation Association (MPTA) |
| Montana Transit Association (MTA) |
| New Mexico Passenger Transportation Association (NMPTA) |
| North Carolina Public Transportation Association (NCPTA) |
| North East Public Transportation Association (NEPTA) |
| Ohio Public Transportation Association (OPTA) |
| Southwest Transit Association (SWTA) |
| Taxicab, Limousine, and Paratransit Association (TLPA) |
| Tennessee Public Transit Association (TPTA) |
| Texas Transit Association (TTA) |
| Transit Association of Maryland (TAM) |
| Transportation Association of South Carolina (TASC) |
| Virginia Transit Association (VTA) |
