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CTLGroup has been serving the rail industry for 30 years. Our team is composed of mechanical engineers, metallurgical engineers, metallurgists, and highly skilled test technicians. Our clients include Class I railroads, rapid transit authorities, light-rail agencies, railway component manufacturers, railway and transit consultants, contractors, highway transportation equipment suppliers, and government agencies, delivering expert services that include: We provide clients with in-depth metallurgical and mechanical services, such as: • Root cause + failure analysis • Materials characterization + selection • Microstructure, heat treatment + casting quality • Weld evaluation • Corrosion + material degradation • Mechanical design + integrity • Field evaluation + joint inspections Our Track Component Testing Includes: . Direct fixation fasteners . Grade crossings . Welded rail . Rail joints . Wood, concrete, + composite ties . Tie fastener, tie inserts, pads + plugs The Vehicle Component Testing Includes: . Bolsters, side frames, + brake beams . Draft gear, couplers, + yokes . Fabricated trucks . Locomotive engine components . Trailer king pin assemblies . Transit car components . Suspension components . Side bearings . Engine components