Alfred Benesch & Company specializes in providing quality civil, structural, environmental, landscape architecture, and geotechnical engineering services to clients in transportation and infrastructure development.

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Diamondback Signal, LLC provides signal expertise to short line and regional railroads.

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Railroad signal installation and maintenance contractor.

 Read more: Midsouth Railroad Services, Inc.

Progress Rail Services provides a full range of integrated products and services to the rail industry.

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RailPros provides professional engineering and field support services to intercity/commuter rail and public transit agencies and Class 1 freight rail companies nationwide.

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S&C Distribution Company manufactures top of the line railroad signal test equipment, control components and accessories.

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Siemens Mobility is the world’s leading provider of innovative solutions in communications, signaling, and maintenance-of-way equipment for Class I and shortline railroads, as well as passenger transit systems.

 Read more: Siemens Mobility, Rail Infrastructure

Full service architectural and engineering firm.  Possess freight and passenger rail planning, design (track and structures), maintenance, inspections, and survey capabilities.  NC offices located in Raleigh, Charlotte, and Winston-Salem.

 Read more: Stantec Consulting Services Inc.

Wabtec Corporation (NYSE: WAB) is focused on creating transportation solutions that move and improve the world.

 Read more: Wabtec Corporation