Formed in 1950, Mid-States Screw Corporation is one of the leading manufacturers of screws and special fasteners in the United States. Based in Rockford, Ill., the company supplies various products, such as fastener, screws, metric fasteners, metric screws, metric bolts, automotive fasteners, and cold headed special fasteners to name a few. Mid-States Screw Corporation s products are manufactured from a variety of materials, including copper, brass, bronze, stainless steel, high allow steel and carbon steels. The company also provides in-house secondary operations like roll forming, shaving, drilling and trimming. In addition, its services include heat treating, plating, nylon patching and sorting.