Prosteel Company Inc. was founded by Jack Kasjan in 2005. Conveniently located in Roseville, MI (suburb of Detroit - The heart of North American Automotive Industry) since its beginning it is been specializing in manufacturing spare parts for local steel mills.

Our qualified employees have over 25 years experience in machining and fabricating that is giving you guarantee the job will be done on time and without any defects.

We are specializing in large diameters (up to 40" OD) turning and milling (up to 140" long) both ferrous steel, alloys, cast iron , stainless steel and non-ferrous (brass, bronze, aluminum, plastic) materials. 

Prosteel Inc. provides the following parts per customer's request and specifications: Shafts, Pinion Shafts, Lineshafts, Axles, Rings (Screw Ring, Adjusting, Rings, Clamp Rings) Bushings, Wear Plates, Liners, Guides, Blocks, (Bearing Boxes, Gear Boxes) .