Our Capabilities fuel our commitment to true customization.

At Marion Body Works, we build custom trucks and truck bodies that surpass your needs and expectations. This cannot be done without utmost commitment to excellence in manufacturing.

Our team of professionals are dedicated to crafting the right solution. Our capabilities are comprehensive and we know each step along that journey matters.

In-House Capabilities


Marion has dedicated engineering teams across each of our verticals. Each team and individual works to deliver and uphold:

  • Custom designs, engineering to prints, or reverse engineering
  • Rapid prototyping Certifications including ISO 9001-2015 and Six Sigma Black Belt


Our fabrication team believes that by using state-of-the-art equipment and technologies we are able to make our body designs more robust to add structural support. Our fabrication capabilities provide:

  • Tougher box frames with added structural support
  • Our process allows us to be nimble and customize when needed
  • Aluminum extrusions with superior dimensional reliability


We pride ourselves in our expertise, talent, and workmanship in welding. We deliver top-quality products with welding that has been third-party tested and approved using X-rays, ultrasound, and Magnetic Particle Inspection.

  • Specialize in Commercial and MIL Spec welding
  • Employ more than 100 welders qualified to AWS D1.1, D1.2, and D1.6 for steel, aluminum, and stainless steel
  • AWS Certified Weld Inspector (CWI) on staff


The key to our manufacturing excellence is having proven processes in place and strict adherence to quality assurance. Marion manufacturing is:

  • Compliant to ISO/TS 16949, ISO 9001, Core Tools, APQP, and Control Plan
  • Equipped to perform all measurement inspections using calibrated hand measurement tools and Coordinate Measurement Machine (CMM)

Testing and Inspection

Part of upholding our high standards is proving our quality through testing and inspections.

  • Internal tests including cycle and fatigue, adhesive bond strength and FEA analysis; paint tests
  • External testing includes ECE-29 tests on all cabs; seatbelt and corrosion testing
  • Inspections: please visit our Supplier Quality Documents

Marion holds these U.S. Patents

Patent No


Recessed Latch Device

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for Truck or Trailer

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for Salvaging the Contents of a Leaking Drum