Lüft

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.

ATC is an Australian-based company that designs, manufactures and delivers leading-edge, electronically based traffic signal control products. ATC is also involved in the design and supply of turn-key urban traffic management control (UTMC) systems and traffic light signal controllers (TLSC).