GMT Corporation

The experts in large, complex, high-precision machining and assembly solutions.

A single-source solution.

GMT Corporation is one of the largest companies in the country with expertise in CNC machining, assembly, and inspection of large parts, in-house. We have one of the largest Coordinate Measuring Machines (CMM) in North America, so we can meet the precise needs of diverse heavy equipment industries. We are a strong, stable, trusted partner to OEMs of all sizes. Partner with us and we’ll collaborate on your projects from the ground up to ensure quality and consistency.

Unmatched Manufacturing Engineering Expertise

Our production engineering team is talented and tenured. We will collaborate with you in the developmental stage of your project to recommend the best manufacturing machining processes that drive down design costs and ensure the highest quality.

Tug Tram Ground Support Equipment Ready to be Welded by GMT Corporation

Production Quality Processes

From machining to assembly, superior quality is built into everything we do for you. Proven processes, procedures and controls are in place to assure quality before work even begins on your product. We then inspect and test at every stage to ensure quality outcomes are achieved, attained and delivered. This attention to detail gives you the confidence that your products will deliver a long life of outstanding performance.

In-Process Gauging

  • Part-specific control plans
  • Dedicated master gauges
  • Machine operator process documentation

CMM Facility

  • Dedicated quality specialists
  • Real-time data monitoring
  • Full inspection of completed components
  • Corrective action reports and follow-up


  • Employed for all pre-production processes and components
One of the Largest CMMs in North America at GMT Corporation Inspecting a Windmill Housing Case

Our Services

Our ability to support multiple facets of our customers’ businesses is what really sets us apart. Only GMT is able to do machining, assembly, and inspection of large parts in-house — delivering major time and money savings.

Ready to secure your supply chain? Let’s talk.

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