NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in San Marcos, CA

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

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298 listingsHow results are ordered
05

Del Gatto Richard

San Marcos, CA · (619) 520-4129

CA-CSLB 791351 · C45 C60 +1Sign contractorSteel and welding contractorSpecialty contractor
License activechecked Oct 19, 2026
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06

Hadden Welding Inc

San Marcos, CA · (760) 701-0753

CA-CSLB 1096245 · C60Steel and welding contractor
License activechecked Oct 19, 2026
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10

Mobileweld Inc

San Marcos, CA · (760) 717-7374

CA-CSLB 1018601 · C43 C51 +1Heating and air conditioningSteel and welding contractor
License activechecked Oct 19, 2026
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11

Painter Bros LLC

San Marcos, CA · (760) 481-9044

CA-CSLB 1102940 · C60 D34Steel and welding contractorSpecialty contractor
License activechecked Oct 19, 2026
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15

A1 Rain Gutters

Escondido, CA · (760) 743-1665

CA-CSLB 1033094 · C39 D24RooferSteel and welding contractor
License activechecked Oct 19, 2026
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19

Christian Company

Escondido, CA · (760) 741-1412

CA-CSLB 709754 · B C23General contractorSteel and welding contractor
License activechecked Oct 19, 2026
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20

Del Mar Steel Inc

Escondido, CA · (760) 743-2266

CA-CSLB 1061930 · C51Steel and welding contractor
License activechecked Oct 19, 2026
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