- H & H Engineering Construction, Inc.
 - Offering railway design, excavation and grading, track maintenance/rehabilitation, emergency repairs, and utility installation. - International Track Systems, Inc.
- Offers extruded and moulded railroad rubber and plastic products for railroad construction companies.
- J.A. Placek Construction Co.
- J.A. Placek is a railroad contractor providing railroad construction, maintenance and design, rail planning, track maintenance, and rehabilitation across the Western United States.
- Rail Road Construction Company Inc.
- Trackwork for the public and private sectors, excavation and grading, site work, utility installation, structural concrete, new and rehabilitated bridges, and roadway and building construction.
- Railspur.com
- Equipment and services for industries, port facilities, and shortline railroads that ship or receive by rail.
- Railworks Corporation
- Provider of railway construction and maintenance services, materials, and supplies.
- Southern National Track
- Offers production tie and surfacing, switches, railroad crossing, and welded rail in Florida, Alabama, and Georgia.
- Tie Yard of Omaha, The
- Engaged in railroad track abandonment operations and material disposition. Processes and supplies railroad ties, scrap and relay rail, and ballast rock for landscaping, construction, and further railroad use.
- Volunteer Trackworks
- Offering complete railroad construction and heavy equipment rentals.
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