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
42

Advantage Welding

Modesto, CA · (209) 247-2085

CA-CSLB 915936 · C60Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
43

Ae&F Inc

Santa Ana, CA · (657) 253-8454

CA-CSLB 1113608 · C51Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
45

Affordable Raingutters

Lakeside, CA · (619) 469-0400

CA-CSLB 895893 · C43 D24Heating and air conditioningSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
46

Affordable Roofing

Fairfield, CA · (707) 529-2869

CA-CSLB 395597 · C39 D24RooferSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
47

Afpro Gutters

Sacramento, CA · (916) 809-1630

CA-CSLB 1161451 · D24Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
48

Afq Construction Inc

North Hollywood, CA · (818) 423-8339

CA-CSLB 995734 · B C60General contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
50

Ag Welding

Pinole, CA · (510) 551-8783

CA-CSLB 1089349 · C60Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
51

Ag Welding Inc

West Covina, CA · (562) 209-2830

CA-CSLB 1119927 · C60Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
52

Agate Construction

Scottsdale, AZ · (480) 994-9455

CA-CSLB 608480 · A B +2General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 24, 2026
CallDetails
53

Agate Steel Inc

Scottsdale, AZ · (480) 994-9455

CA-CSLB 952062 · C51Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
55

Agile Railing

Mill Valley, CA · (415) 827-8200

CA-CSLB 1120698 · C23Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
56

Agmj Construction Inc

Glendale, CA · (818) 966-7666

CA-CSLB 1109401 · B C51General contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
59

Aguerre Jr Louis B

Victorville, CA · (909) 917-4690

CA-CSLB 744885 · C60Steel and welding contractor
License activechecked Oct 24, 2026
CallDetails
60

Aguilar Fence Inc

Orangevale, CA · (916) 990-0429

CA-CSLB 776979 · C13 C23Fence contractorSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails