| member | location |
| ALAMYS - Latin American Association of Metros and Light Rail | Santiago CHILE |
| Arizona Transit Association | Phoenix, AZ |
| Association du Transport Urbain du Quebec | Montreal, QC CANADA |
| ASSTRA - Associazione Trasporti | Rome ITALY |
| Brazilian National Association of Public Transit (ANTP) | Sao Paulo BRAZIL |
| Bus Association Victoria Inc. | Port Melbourne, VC AUSTRALIA |
| California Association for Coordinated Transportation, Inc. (CalACT) | Sacramento, CA |
| California Transit Association | Sacramento, CA |
| Canadian Urban Transit Association | Toronto, ON CANADA |
| China Urban Public Transport Association | Beijing CHINA |
| Colorado Association of Transit Agencies | Denver, CO |
| Florida Public Transportation Association | Tallahassee, FL |
| Georgia Transit Association | Griffin, GA |
| Illinois Public Transportation Association | Springfield, IL |
| International Association of Public Transport (Australia/New Zealand) | Docklands, Victoria AUSTRALIA |
| Iowa Public Transit Association | Des Moines, IA |
| Kansas Public Transit Association | Topeka, KS |
| Kentucky Public Transit Association | Louisville, KY |
| Louisiana Public Transit Association | Shreveport, LA |
| Massachusetts Association of Regional Transit Authorities (MARTA) | Boston, MA |
| Michigan Public Transit Association | East Lansing, MI |
| Missouri Public Transit Association | St. Louis, MO |
| New Hampshire Transit Association | Wilder, VT |
| New York Public Transit Association | Albany, NY |
| New Mexico Transit Association - NMTA | Rio Rancho, NM |
| North Carolina Public Transportation Association, Inc. | Greenville, NC |
| Ohio Public Transit Association (OPTA) | Columbus, OH |
| Oklahoma Transit Association | Oklahoma City, OK |
| Oregon Transit Association | Portland, OR |
| Pennsylvania Public Transportation Association (PPTA) | Harrisburg, PA |
| South West Transit Association | Fort Worth, TX |
| Swissrail Industry Association | Bern SWITZERLAND |
| Tennessee Public Transportation Association | Nashville, TN |
| Texas Transit Association | Austin, TX |
| Transportation Association of Maryland, Inc. (TAM) | Linthicum, MD |
| UITP (International Association of Public Transport) | Brussels BELGIUM |
| UNIFE - the Association of the European Rail Industry | Brussels BELGIUM |
| Virginia Transit Association | Richmond, VA |
| Washington State Transit Association | Olympia, WA |
| West Virginia Public Transit Association, Inc. | Huntington, WV |
| Wisconsin Public Transportation Association | Madison, WI |
