Astro Optics specializes in the manufacturing of Pavement Markers, Channeling Devices, Barrier Wall and Guard Rail Delineators primarily for Work Zone construction areas.

Virtual Transportation Management, Inc. (VTM) is a world wide provider of third party Transportation Information Services including comprehensive Accounting, Audit, Payment, and Electronic Data Interchange (EDI) applications.

Miner Enterprises, Inc. designs and manufactures a wide variety of railcar components including high capacity draft gears, constant contact side bearings, heavy-duty discharge devices, custom unloading systems, and brake beams.