Structural Steel Fabrication

What We Do

In 2019, Enerfab acquired TMI Contractors as part of our growth initiative and commitment to providing a diversified portfolio of capabilities. TMI is a full-service structural steel fabricator for industrial and commercial companies across the country.

  • Steel structures
  • Modules
  • Piping Skids & Racks
  • Top-Access Platforms
  • Circular Platforms
  • Spiral Stairs & Landings
  • Agitator Bridges
  • Skirts
  • Ring Girders
  • Any Additional Components:
    • Handrails
    • Grating
    • Stairs
    • Ladders

How We Do It

At TMI’s facility in Mount Vernon, Indiana, we combine innovative technology with expert processes and finishing services to offer you a complete solution. And everything is executed in house.


  • Detailing services using the latest SDS/2 modeling software to assist in fabrication
  • StuMIS, a cutting-edge purchasing software system that streamlines the working process, maximizes material efficiency, and increases productivity
  • CNC technology with a Ficep Excaliber Single Spindle Drill Line and A Messer Edgemax Burntable for precision cutting and drilling


  • All welders are AWS certified
  • Standard tolerances of a 1/8” while adhering to the AISC Code of Standard Practice
  • 100% inspection with multiple hold points throughout by certified welding inspectors
  • Mill certifications for every piece of material
  • Meticulous record keeping of inspections — from dimension checks to hole layouts and paint DFTs


  • In-house painting oversight by a NACE Level 2 inspector
  • 100’ x 150’ painting area
  • 20’ x 50’ steel shot/grit blasting booth
  • Mechanical and hand blaster
  • Broad Capability Range — from applying a simple red oxide primer to a three-part system consisting of zinc primer, epoxy intermediate coat, and a urethane finish


  • Fully assemble platforms with grating and handrail, stair stringers, or trusses to help alleviate installation costs
  • Combine with our Cincinnati tank & vessel fabrication shop for pre-fabricated sub-assemblies
  • Combine with our New London, Wisconsin, pipe fabrication shop for piping skids & racks
  • Complete modules pairing our structural steel, electrical, mechanical, and fabrication capabilities from across our regional facilities
Close-up of fabricated structural steel beams
Fabricated structural steel columns
Structural steel module with piping, platforms, and stairs.
Structural steel platform inside a fabrication shop.
Fabricated structural steel and mechanical pipe.
Close-up of fabricated structural steel.

Start typing and press Enter to search