NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in California

4,208 listed in California

81

Aldaz Steel Fab

Moreno Valley, CA · (951) 655-0487

CA-CSLB 871568 · C51Steel and welding contractor
License activechecked Oct 24, 2026
82

Alegre Machinery

Tracy, CA · (209) 321-6819

CA-CSLB 871787 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
83

Alekceevka Gutters

North Highlands, CA · (916) 718-5616

CA-CSLB 1049026 · D24Steel and welding contractor
License activechecked Oct 24, 2026
84

Alen Steel

Sylmar, CA · (747) 488-1199

CA-CSLB 1160781 · C51Steel and welding contractor
License activechecked Oct 24, 2026
85

Alex Gutter Inc

San Jose, CA · (408) 297-2005

CA-CSLB 794546 · C39 D24RooferSteel and welding contractor
License activechecked Oct 24, 2026
88

Alex Welding Inc

Riverside, CA · (562) 279-4515

CA-CSLB 1038506 · C60Steel and welding contractor
License activechecked Oct 24, 2026
89

Alexander Installations

Portland, OR · (503) 252-4728

CA-CSLB 514163 · D24 D34Steel and welding contractorSpecialty contractor
License activechecked Oct 24, 2026
91

All About Gutters

Auburn, CA · (530) 820-4020

CA-CSLB 744833 · D24Steel and welding contractor
License activechecked Oct 24, 2026
94

All American Ironworks

Helendale, CA · (951) 830-2828

CA-CSLB 1048280 · C13 C23 +1Fence contractorSteel and welding contractor
License activechecked Oct 24, 2026
98

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