Since the acquisition of Circle AW in 1993, Cooper B-Line has grown its enclosure offering to include a broad range of UL Listed and CSA Certified NEMA Type 1, 3, 3R, 4, 4X, 6P, 12, and 13 enclosures and wireway in a variety of materials and finishes, including: painted carbon steel, galvanized steel, aluminum, type 304/316L stainless steel, and fiberglass. From commercial and industrial to utility and OEMs, our customers rely on Cooper B-Line quality products and superior customer service to provide solutions for any enclosure application. In addition to our broad range of inventory on commercial and industrial enclosures, Cooper B-Line offers a modification program that allows our team to customize enclosures to meet your unique application.