duct fabrication 
& SPECIALTY METAL

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