A Certified DBE/WBE Company 




About Us

TSS, Inc. was established in 1994 and is your exclusive source for GHH-BONATRANS products in the North America rail transportation industry. We provide monoblock wheels, resilient wheels, noise dampened wheels, axles, portal axles for low floor vehicles, wheelsets, and honeycomb products.

Our certifications include:

  • AAR
  • BS OHSAS 18001
  • IRIS
  • ISO 9001
  • ISO 14001
  • Laboratory Certificates of Accreditation

As of February 2019, TSS, Inc. is pleased to announce that we are a Certified Disadvantaged Business Enterprise/Women's Business Enterprise in the state of North Carolina. In addition to providing decades worth of experience and proven service in the rail industry, we are proud to offer DBE content for your DOT-assisted projects. TSS works with each state and transit agency as needed to meet individual requirements for DBE goals on a contract-by-contract basis. We look forward to being your DBE supplier while maintaining the same quality and support since 1994.



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