NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in San Francisco, CA

59 licensed steel and welding contractors · every license checked against the issuer's file

More cities in California

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719 listingsHow results are ordered
02

Alta Group Inc

San Francisco, CA · (510) 388-3582

CA-CSLB 840109 · A C50General engineering contractorSteel and welding contractor
License activechecked Oct 19, 2026
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04

Apex Electric & Air

San Francisco, CA · (415) 587-8729

CA-CSLB 825156 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 19, 2026
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05

B E I Steel Inc

San Francisco, CA · (415) 661-8623

CA-CSLB 844874 · C51Steel and welding contractor
License activechecked Oct 19, 2026
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06

Bahman & Hoch Inc

San Francisco, CA · (415) 779-0771

CA-CSLB 1033287 · C23Steel and welding contractor
License activechecked Oct 19, 2026
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07

Bannon Construction Inc

San Francisco, CA · (415) 810-4201

CA-CSLB 917823 · B C23 +1General contractorSteel and welding contractor
License activechecked Oct 19, 2026
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09

C M Construction Company

San Francisco, CA · (415) 822-6088

CA-CSLB 520064 · A B +2General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 19, 2026
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12

Chiang Robert

San Francisco, CA · (415) 760-6678

CA-CSLB 365642 · A B +2General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 19, 2026
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13

Collier Building Specialties Inc

San Francisco, CA · (415) 467-9235

CA-CSLB 481944 · B C17 +2General contractorGlass and window contractorSteel and welding contractor+1
License activechecked Oct 19, 2026
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17

Detail Ironworks

San Francisco, CA · (415) 822-8896

CA-CSLB 769491 · B C23 +2General contractorSteel and welding contractor
License activechecked Oct 19, 2026
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18

Espana Iron Works

San Francisco, CA · (415) 822-9282

CA-CSLB 980310 · C23Steel and welding contractor
License activechecked Oct 19, 2026
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