The Go-To Shop In the West for
Industrial Steel Fabrication

Colorado steel fabrication

​Longero is an experienced steel fabricator specializing in carbon steel, stainless steel, and aluminum weldments.  Since 1923, Longero has been satisfying our customers’ steel fabrication requirements with the highest level of quality, customer service, and on-time delivery.  

Longero offers complete in-house fabrication services from sheet metal to heavy plate by integrating our superior craftsmanship, equipment, and job tracking software. From one-of- a-kind projects to full-scale production quantities, Longero has the in-house expertise to tackle your job. 

Longero has its own in-house forming equipment including angles rolls, plate rolls, press brakes, and shears which allow us to keep your fabrication project cost-effective and cut down on lead time.  In addition, our long standing relationships with quality vendors and sub-contractors allow Longero to finish your project turn-key.  We can include machining, surface preparation, sandblasting, galvanizing, liquid paint, powder coating, and more. 

Typical projects include:

  • Skids
  • Water Control Gates
  • Safety platforms & Walkways
  • Circular Platforms and Stairs 
  • Atmospheric Tanks (Non-pressure Vessels, 100 to 10,000 gallon capacity)
  • Bins
  • Mining Retorts
  • Chemical Stacks
  • Feedwells
  • Dryer Tubes
  • Rectangle to Obrounds
  • Silos
  • Tower Frames
  • Hoppers
  • Trailers  
  • Transitions
  • Clarifiers
  • Process Equipment
  • Dewatering Presses
  • Spiral Staircases
  • Bifurcated Transitions
  • Stainless Steel Molds

SIC Codes

1791-03
Welding & Steel Fab
1791-04
Metal Fabrications
7692-03
Welding
3441
Fabricated Structural Metal
3498
Fabricated Pipe & Fittings
3443
Fabricated Plate Work
3449
Structure Metal Work/Misc
3446
Architectural/Ornamental Metal Working

NAICS Codes

331210
Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
331221
Rolled Steel Shape Manufacturing
331318
Other Aluminum Rolling, Drawing, Extruding
332114
Custom Roll Forming
332312
Fabricated Structure Metal Manufacturing
332313
Plate Work and Manufacturing
332322
Sheet Metal Work Manufacturing
332323
Ornamental and Architectural Metal Work Manufacturing
332410
Power Boiler and Heat Exchanger Manufacturing
33240
Metal Tank (Heavy Gauge) Manufacturing
332439
Other Metal Container Manufacturing
332811
Metal Heat Treating
332919
Other Metal Valve and Pipe Fitting Manufacturing
332996
Fabricated Pipe and Pipe Fitting Manufacturing
332999
All other Miscellaneous Fabricated Metal Product Manufacturing
333246
Other Industrial Machinery Manufacturing
333298
All Industrial Other Machinery Manufacturing
811310
Commercial and Industrial Machinery and Equipment Repair and Maintenance

Full-service steel fabrication

Our full-service steel fabrication plant located in Denver, Colorado offers a variety of services.