Central Texas Turnpike System, Texas

TRB designs and manufactures lightweight composite structures, which include carbon-fibre battery enclosures for the electric vehicle (EV) and hybrid road vehicle markets.

Tolplan is an independent South African company of professional engineers and financial and information technology professionals who offer a variety of specialized toll road management and engineering consulting and information technology services. The full-time core personnel of the company amounts to about 40.

Cestel develops portable bridge weigh-in-motion (WIM) systems for vehicles and monitoring the structural properties of roads, pavements and bridges.