Nordwest Handel AG is a purchasing and service association, which supports medium-sized specialist wholesalers in purchasing and marketing tools, fittings, security technology, personal protective equipment, steel, sanitary, and heating products. It operates through the following segments: Building & Construction Industry, Building Services, and Steel. The Building & Construction Industry segment focuses on building hardware, components, safety engineering, occupational safety, tools, technical trade, and welding. The Building Services segment offers plumbing products and provides information, administration, and financial services. The Steel segment provides products such as bright and quality steel, stainless and section steel, plate, rolled steel, and tubes. The company was founded by Berthold Regenbogen in 1919 and is headquartered in Hagen, Germany.