Ryerson Holding Corporation, together with its subsidiaries, processes and distributes industrial metals in the United States, Canada, Mexico, and China. It offers a line of products in carbon steel, stainless steel, alloy steels, and aluminum, as well as nickel and red metals in various shapes and forms, including coils, sheets, rounds, hexagons, square and flat bars, plates, structural, and tubing.

Mueller Industries, Inc. manufactures and sells copper, brass, aluminum, and plastic products in the United States, the United Kingdom, Canada, South Korea, the Middle East, China, and Mexico.

ATI Inc. manufactures and sells specialty materials and components worldwide. The company operates in two segments: High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S).

ESAB Corporation formulates, develops, manufactures, and supplies consumable products and equipment for use in cutting, joining, and automated welding, as well as gas control equipment.

Northwest Pipe Company, together with its subsidiaries, manufactures and supplies water related infrastructure products in North America. It operates in two segments, Engineered Steel Pressure Pipe (SPP) and Precast Infrastructure and Engineered Systems (Precast).

Insteel Industries, Inc., together with its subsidiaries, manufactures and markets steel wire reinforcing products for concrete construction applications. The company offers prestressed concrete strand (PC strand) and welded wire reinforcement (WWR) products.

Gulf Island Fabrication, Inc., together with its subsidiaries, operates as a fabricator of steel structures and modules in the United States.

Mayville Engineering Company, Inc., together with its subsidiaries, operates as a contract manufacturer that serves the heavy and medium duty commercial vehicle, construction and access equipment, powersports, agriculture, military, and other end markets in the United States.