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
26

Aim Ornamental Inc

Santa Ana, CA · (949) 844-1544

CA-CSLB 1077916 · C23Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
27

Aim Welding Inc

Fresno, CA · (559) 284-0230

CA-CSLB 1133970 · C60Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
28

Air Doctor

Rohnert Park, CA · (707) 584-5941

CA-CSLB 935257 · C20 D04 +3Heating and air conditioningSpecialty contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
30

Ajm General Construction

Santa Rosa, CA · (707) 324-7992

CA-CSLB 1035253 · A B +6General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
CallDetails
31

Ak Welding Solutions LLC

Fillmore, CA · (805) 501-7688

CA-CSLB 1098566 · C20 C60Heating and air conditioningSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
34

Albert Iron Work

Sun Valley, CA · (818) 599-2935

CA-CSLB 1128468 · C51Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
37

Alcantar Steel Inc

San Jose, CA · (408) 528-8401

CA-CSLB 634589 · B C50 +1General contractorSteel and welding contractorSwimming pool contractor
License activechecked Oct 24, 2026
CallDetails
39

Alcatraz Iron Inc

Los Angeles, CA · (323) 333-8875

CA-CSLB 1057911 · C51Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
40

Alchemy Iron Works

Riverside, CA · (909) 371-9973

CA-CSLB 1144684 · C51Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails