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
121

Aldaz Steel Fab

Moreno Valley, CA · (951) 655-0487

CA-CSLB 871568 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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122

Alegre Machinery

Tracy, CA · (209) 321-6819

CA-CSLB 871787 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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123

Alekceevka Gutters

North Highlands, CA · (916) 718-5616

CA-CSLB 1049026 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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124

Alen Steel

Sylmar, CA · (747) 488-1199

CA-CSLB 1160781 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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125

Alex Gutter Inc

San Jose, CA · (408) 297-2005

CA-CSLB 794546 · C39 D24RooferSteel and welding contractor
License activechecked Oct 24, 2026
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128

Alex Welding Inc

Riverside, CA · (562) 279-4515

CA-CSLB 1038506 · C60Steel and welding contractor
License activechecked Oct 24, 2026
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129

Alexander Installations

Portland, OR · (503) 252-4728

CA-CSLB 514163 · D24 D34Steel and welding contractorSpecialty contractor
License activechecked Oct 24, 2026
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131

All About Gutters

Auburn, CA · (530) 820-4020

CA-CSLB 744833 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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134

All American Ironworks

Helendale, CA · (951) 830-2828

CA-CSLB 1048280 · C13 C23 +1Fence contractorSteel and welding contractor
License activechecked Oct 24, 2026
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138

All Counties Fence & Supply

Riverside, CA · (951) 780-9300

CA-CSLB 717249 · B C13 +1General contractorFence contractorSteel and welding contractor
License activechecked Oct 24, 2026
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