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
101

Acurraalloy Inc

Santa Fe Springs, CA · (562) 567-1039

CA-CSLB 1125495 · C23Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
103

Acustruct

Concord, CA · (925) 872-4680

CA-CSLB 815096 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
CallDetails
105

Acw Steel

Richmond, CA · (415) 861-8410

CA-CSLB 800603 · C51 C60Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
107

Adams Iron Co Inc

Santa Ana, CA · (714) 543-4227

CA-CSLB 463461 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
108

Adams & Smith Inc

Lindon, UT · (801) 785-6900

CA-CSLB 311967 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
109

Adaptive Stainless Inc

Springfield, MO · (417) 719-7192

CA-CSLB 772628 · A B +1General engineering contractorGeneral contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
110

Adc Installation

Citrus Heights, CA · (916) 835-4207

CA-CSLB 675653 · D24 D28Steel and welding contractorSpecialty contractor
License activechecked Oct 24, 2026
CallDetails
112

Adl Construction

Napa, CA · (707) 738-8206

CA-CSLB 778829 · B D24General contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
113

Adm Welding Services LLC

Sacramento, CA · (916) 203-2326

CA-CSLB 1145008 · D21 D24Specialty contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
114

Admiral Rebar Inc

Jurupa Valley, CA · (909) 240-4060

CA-CSLB 1081993 · C50Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
115

Advance Iron Works

Lake Elsinore, CA · (909) 732-8320

CA-CSLB 514320 · C13 C23Fence contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
119

Advanced Air & Vacuum Inc

El Cajon, CA · (619) 562-3373

CA-CSLB 985173 · B C20 +2General contractorHeating and air conditioningSteel and welding contractor+1
License activechecked Oct 24, 2026
CallDetails