duct fabrication 
& SPECIALTY METAL

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City Air Mechanical is a qualify manufacturer of C.A.M. rectangular and spiral duct and fittings. As the sole manufacturer in Western ND, we can provide innovative duct designs to the Dickinson and Bismarck area at a lower cost. 

Our ductwork designs and fittings are fabricated to provide a high-quality line of customizable systems to suit any building design or specification. 

From complex kitchen equipment to yard ornament repair, our specialty metal department can design, bend, roll and weld a wide range of metals, including:

  • Stainless Steel

  • Aluminmum

  • Galvanized

  • Black Iron

  • Copper

  • Paint Grip

  • Expanded Metals

  • Other Metal Available with Special Order

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