NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Hayward, CA

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

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394 listingsHow results are ordered
01

Atr Welding Inc

Hayward, CA · (510) 363-2490

CA-CSLB 1037852 · C60Steel and welding contractor
License activechecked Oct 24, 2026
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02

Aubry Lloyd W Co Inc

Hayward, CA · (510) 732-9038

CA-CSLB 213261 · A C51 +1General engineering contractorSteel and welding contractorSpecialty contractor
License activechecked Oct 24, 2026
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04

C&L Steel Inc

Hayward, CA · (510) 368-9162

CA-CSLB 1076512 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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07

Dual Steel Inc

Hayward, CA · (510) 487-9628

CA-CSLB 1094171 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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08

Ecm Steel Inc

Hayward, CA · (510) 755-9152

CA-CSLB 1033186 · C51Steel and welding contractor
License activechecked Oct 24, 2026
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11

Glazier Steel Inc

Hayward, CA · (510) 471-5300

CA-CSLB 672835 · B C51General contractorSteel and welding contractor
License activechecked Oct 24, 2026
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14

Kwan Wo Ironworks Inc

Hayward, CA · (510) 487-9628

CA-CSLB 643621 · B C51General contractorSteel and welding contractor
License activechecked Oct 24, 2026
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17

Racks & Shelving

Hayward, CA · (510) 785-3624

CA-CSLB 1078287 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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19

Shum Kanger Kin Chung

Hayward, CA · (510) 219-8675

CA-CSLB 1058738 · B C51General contractorSteel and welding contractor
License activechecked Oct 24, 2026
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20

Simmons Travis J

Hayward, CA · (510) 670-9504

CA-CSLB 950233 · A B +2General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 24, 2026
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