KSL Engineering Pte Ltd is a wholly-owned subsidiary of ATS Traffic. Its core business and experiences are the provision of specialised electrical engineering works and services related to the installation, modification and upgrading of roadway and infrastructure equipment.
FiT Transport Systems Pte Ltd is a partially-owned subsidiary of ATS Traffic. Its core business and experiences are the provision of all engineering and support services to traffic monitoring and traffic data collection systems and equipment along all the expressways in Singapore, including CCTV and VMS systems.
Pro-MIX Construction Pte Ltd is a partially-owned subsidiary of ATS Traffic. Its core business, expertise and experiences are in the Milling & Patching works.