Affiliates
Our Affiliates
We belong to UPG’s family of brands
UPG Enterprises LLC (UPG) is comprised of a portfolio of companies that offer the best-in-class steel processing and production capabilities. Mapes & Sprowl Steel is just one member of UPG’s family of brands. Together, with our affiliate companies, we embody our motto of being “STRONGER TOGETHER.”
A one-stop-shop for all your structural steel products and first step processing needs
Contractors Steel CoHigh volume service center focused on slitting, blanking and toll processing stainless steel, aluminum and carbon steel
MaksteelSpecialists in processing and slitting enameling steel, silicon electrical steel, Agion® antimicrobial treated steel, and electrical steel cores
A leader in toll processing all your metal needs and specializing in tension leveling
Chicago SteelHigh-volume manufacturer, fabricator and finisher of welded steel tubing and tubular components
National MetalwaresManufacturer and supplier of expanded metal, perforated metal, perforated tubes and filtration components
MetalexManufacturer of electrical steel laminations and complete rotor and stator cores for electric motors and generators.
UPG ElectricalThe industry leader in safety grating including Open Grip®, Deck Span®, and Tread-Grip®
Morton Rail Products