Metal Fabrication Companies in Illinois

Illinois has approximately 13,000 manufacturing establishments and 570,000 manufacturing employees. Illinois is a top-five manufacturing state, with Chicago as a metal fabrication and food processing center, Peoria as Caterpillar's headquarters, and a vast network of industrial suppliers.

Illinois is one of the leading states for metal fabrication. Metal fabrication is one of the largest and most fragmented segments of US manufacturing, encompassing shops that cut, bend, weld, and assemble metal components and structures. From small welding shops to large structural steel fabricators, this industry serves virtually every other manufacturing sector.

Structural Steel Fabricators: Companies producing steel beams, columns, and connections for commercial and industrial construction projects.

Sheet Metal Shops: Fabricators specializing in cutting, bending, and forming sheet metal for HVAC, enclosures, and industrial applications.

Plate Fabricators: Shops cutting and welding heavy plate for tanks, pressure vessels, and heavy equipment components.

Ornamental & Architectural Metal Workers: Fabricators producing railings, staircases, facades, and decorative metalwork for buildings.

Industrial Equipment Fabricators: Companies building custom machinery frames, conveyors, platforms, and industrial structures.

Major industrial centers in Illinois include Chicago, Rockford, Peoria, Aurora, Joliet, and Elgin. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and chemical manufacturing.