Since the 1930s, RailWorks flagship subsidiary L.K. Comstock has specialized in the transit industry, completing more than 100 rapid transit system projects valued in excess of $3 billion for all the major US transit agencies and authorities. Today RailWorks and its affiliated transit & systems subsidiaries provide construction services on projects across North America in these areas:

• Automatic train control and signals
• Traction power systems, including overhead catenary
• Transit facilities – general and mechanical contracting
• Communication systems, including PA, CIS, CCTV
• SCADA and system integration
• Rail construction, maintenance and rehabilitation

RailWorks performs design support, construction engineering and installation, testing, start-up and maintenance services for heavy rail, light rail and automated people mover facilities. Depending on the requirements of each project and client, RailWorks operates in a variety of roles including design-build or turnkey subcontractor or general contractor.