| Alternate Street Design, PA: Concentrating on the design of subdivisions and the street system, with a focus on modern, roundabout design in Florida. |
| BMW Group Consulting: Consulting and business help on aggregate, asphalt, portland stone, and concrete, covering organization and management, sales, geology, safety and government regulations. |
| CEC- Columbus Engineering Consultants, Inc.: Specializing in transportation-related fields of civil engineering, located in Columbus, OH. |
| Creative Transportation Solutions (CTS): A leading provider of traffic engineering and transportation planning consulting services in British Columbia offering comprehensive turn-key solutions for all traffic engineering challenges. |
| Deshazo, Tang & Associates, Inc.: Transportation engineering firm providing quality traffic consulting, transportation planning, engineering, parking analysis, planning, and design based in Texas. |
| ERES Consultants: Pavement research projects in cooperation with a wide range of clients including the federal government, state agencies, and private industry headquartered in New Mexico. |
| ESRA Consulting Corporation: International services in transportation engineering, planning, assessments, and drivers license test systems. Located in Florida. |
| Gozar Rah Consulting Engineers: Specializing in the fields of transportation and traffic engineering, highway and airport planning and design, and engineering management located in Tehran. |
| Ground Engineering Consultants Inc: Provides complete pavement analysis and design management services for projects ranging from major interstate highways and airports to parking lots. |
| Grove Miller Engineering, Inc.: Providing professional traffic engineering services to governmental and private clients throughout Central Pennsylvania, specializing in traffic signal design, traffic impact studies, and transportation planning. |
| ICT - Intercontinental Consultants and Technocrats Pvt., Ltd.: An international consulting organisation specialising in highways, structures, airports, urban and rural infrastructure development, water supply, traffic and transportation studies, ports and tourism projects based in India. |
| KMB Aviation International: Provides project management, consulting, and owners representative services to airports, and private, municipal aviation facilities in Ontario, Canada. |
| Kneeshaw Engineering Ltd.: Offering customized transportation engineering consulting, BC Auditor benefit/cost software, and other useful information for transportation professionals based in BC. |
| PFA Consulting: An engineering consultancy specialising in serving the planning and development sectors, based in Swindon, United Kingdom. |
| Ralph Whitehead Associates: A consulting engineering firm providing practical engineering solutions in civil and transportation engineering, based in Charlotte, NC. |
| Tinter Associates, Inc.: Consulting transportation engineers specializing in traffic design, traffic studies, concurrency evaluations, and condemnation analyses. |
| Turvey Consultancy Limited: Transportation and environmental consultancy services throughout the UK and overseas. Located in Welton, Lincolnshire. |
| Wells & Associates: Traffic engineering and transportation planning consultants in transit, parking, traffic signal, and pedestrian access design based in Virginia and Maryland. |