- Amtrak-Chicago
- Gardena Muni Bus Lines
- Los Angeles (LA.) DOT
- L.A. World Airports
- LA. Dept. of Water & Power, Planning, Public Works and Port of L.A.
- L.A. County Metro Transportation Authority
- L.A. Metro EXPO LRT
- L.A. Eastside LRT
- L.A. Alameda Corridor Transportation Authority
- DFW/Hobby Airports
- SCAG
- San Diego MTDB & NCTD
- Houston BRT
- Miami LRT
- New Orleans LRT
- Sacramento LRT
- L.A. Metrolink
- Battelle; Bechtel
- Booz, Allen, Hamilton Center for Airport Management/SH-E
- Conoco Phillips Oil
- CH2M
- AECOM
- Flatiron, Fluor, HNTB
- LTK; PBS
- Parsons Transportation Group
- Parsons, Brinckerhoff
- Eco Plan of Paris
- Shaw Infrastructure
- Tutor-Saliba
- Washington Group International
- Volpe Transportation Center
- WMATA