NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in California

4,208 listed in California

Cities

Bakersfield 109Los Angeles 77San Diego 70Sacramento 66Fresno 64Riverside 59San Francisco 59San Jose 56Anaheim 52Santa Ana 47Corona 35Ontario 34Stockton 33Fontana 32San Bernardino 32Escondido 30Modesto 30Santa Rosa 30Oakland 28Roseville 28Hesperia 26El Cajon 25Paso Robles 24Hayward 23
4,208 listingsHow results are ordered
04

Accurate Steel

Anaheim, CA · (714) 553-8574

CA-CSLB 1017166 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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08

Ace Iron Works

Diamond Bar, CA · (909) 465-0010

CA-CSLB 539620 · C23Steel and welding contractor
License activechecked Oct 24, 2026
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10

Ace Ornamental

Pomona, CA · (909) 629-0530

CA-CSLB 765133 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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12

Ace Raingutters

Sylmar, CA · (818) 257-4766

CA-CSLB 812119 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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16

Action Home Pros Inc

Buena Park, CA · (714) 670-0828

CA-CSLB 796382 · B C17 +2General contractorGlass and window contractorSteel and welding contractor+1
License activechecked Oct 24, 2026
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17

Action Ironworks

Wilton, CA · (916) 508-7075

CA-CSLB 722337 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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19

Acufab Structural

Gardena, CA · (310) 538-4944

CA-CSLB 1113154 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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