Steel Fabrication companies

Madden Bolt is a Houston-based, family-owned steel fabricator making custom anchor bolts, steel embeds and miscellaneous steel, with in-house hot-dip galvanizin…

U.S. Bridge is a family-owned steel bridge manufacturer founded in 1936, providing design, fabrication, and construction of structural steel bridges for seconda…

JGM provides turnkey industrial construction and AISC-certified heavy steel fabrication from its Pennsylvania facility.

Steel Dynamics is a major North American steel producer and metals recycler, operating seven electric arc furnace mills producing sheet, structural, and special…

Sure Steel, Inc. supplies and installs structural steel, metal building systems, insulated metal panels, mass timber and precast concrete for construction proje…

Stelco is a Canadian steel manufacturer operating for over 100 years, producing hot-rolled, cold-rolled, and galvanized steel from facilities in Hamilton and Na…

Global steel and technology group producing high-quality steel products, tool steels, railway systems, and automotive components, with operations across 50+ cou…

O'Neal Manufacturing Services is a family-owned U.S. metal fabrication company producing welded components and sub-assemblies for OEMs across ten facilities nat…

United Alloy is an American metal fabrication manufacturer producing leak-proof fuel tanks, reservoirs, frames, trailers, and custom weldments from facilities i…

Heartland Fabrication is the second-largest U.S. barge manufacturer, building and repairing inland barges for commodity transportation on American waterways fro…

Norfolk Iron & Metal supplies steel, stainless steel and aluminium products and metal processing services nationwide, operating one of the largest family-owned…

Family-owned metals service centers and component manufacturing network supplying steel, stainless steel, aluminum, and specialty alloys globally.

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Houston-based steel and equipment erector providing erection, heavy rigging, equipment installation and construction engineering for industrial and commercial p…

Span Construction & Engineering is a design-build commercial and industrial construction firm headquartered in Madera, California, and the largest steel buildin…

GrayWolf is a self-performing construction contractor, founded in 1978, with divisions in industrial construction, structural steel and modular building across…

PTC Alliance (PTC Steel) manufactures ERW and DOM mechanical steel tubing, pipe and bar, and precision fabricated components across 13 U.S. plants, serving agri…

SMS Mill Services provides support services for steel mills, with diversification into scrap processing, marine recycling, and environmental remediation.

Cleveland-Cliffs is North America's largest flat-rolled steel producer, operating as an integrated steelmaker with mining and manufacturing facilities in the US…

A precision metal fabrication and custom manufacturing company based in Mayville, Wisconsin, founded in 1920.