• Ductwork & piping fabrication
  • Stainless steel, galvanized steel,
    mild steel, and aluminum
  • Welded, lockseam, or riveted construction
  • Up to 3/4" plate construction
  • Contract manufacturing
  • Manual actuation / electric actuation / air actuation
  • Welded or bolted diverter valves
  • Heavy-duty high-pressure flat back elbows
  • Superior quality!
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Ductwork Pipe and Ductwork


JOHNSON SYSTEMS, INC. specializes in specialty fabrication.

We will be happy to work with your company in any way!

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