NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Fontana, CA

32 licensed steel and welding contractors · every license checked against the issuer's file

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565 listingsHow results are ordered
02

Calwest Steel

Fontana, CA · (909) 305-4824

CA-CSLB 1140970 · C23Steel and welding contractor
License activechecked Oct 24, 2026
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05

G E S Sheet Metal Inc

Fontana, CA · (909) 598-3332

CA-CSLB 280410 · C43 C51Heating and air conditioningSteel and welding contractor
License activechecked Oct 24, 2026
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09

Icon Structures

Fontana, CA · (909) 427-9737

CA-CSLB 729881 · B C43 +1General contractorHeating and air conditioningSteel and welding contractor
License activechecked Oct 24, 2026
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10

Iron - Mex Corp

Fontana, CA · (909) 997-9427

CA-CSLB 903414 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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12

Kdr Steel

Fontana, CA · (909) 822-1155

CA-CSLB 705970 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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14

M G Unicorn Inc

Fontana, CA · (562) 552-0766

CA-CSLB 1039743 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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16

Mimco Racking Inc

Fontana, CA · (909) 241-6086

CA-CSLB 1036193 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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19

Pate's Welding

Fontana, CA · (840) 210-2654

CA-CSLB 1112354 · C60Steel and welding contractor
License activechecked Oct 24, 2026
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20

R N D Contractors Inc

Fontana, CA · (909) 429-8500

CA-CSLB 898471 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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