NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Los Osos, CA

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

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69 listingsHow results are ordered
01

Coastal Ironworks

Los Osos, CA · (805) 528-7691

CA-CSLB 898889 · C60Steel and welding contractor
License activechecked Oct 24, 2026
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04

Skelton Welding

Los Osos, CA · (916) 462-4038

CA-CSLB 1111909 · C60Steel and welding contractor
License activechecked Oct 24, 2026
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05

Upper Story Design

Los Osos, CA · (805) 458-2300

CA-CSLB 919018 · B C23General contractorSteel and welding contractor
License activechecked Oct 24, 2026
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06

Thoresen Welding Services

Morro Bay, CA · (805) 704-8894

CA-CSLB 1085778 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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07

Wenz Richard R

Morro Bay, CA · (805) 748-9744

CA-CSLB 1035690 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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09

Burton Blazer

Morro Bay, CA · (619) 917-7319

CA-CSLB 964756 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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10

Cencal Roofing

Morro Bay, CA · (805) 772-6806

CA-CSLB 369343 · B C39 +1General contractorRooferSteel and welding contractor
License activechecked Oct 24, 2026
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14

Bay 101 Roofing Inc

Alviso, CA · (408) 957-0531

CA-CSLB 907116 · C39 D24RooferSteel and welding contractor
License activechecked Oct 24, 2026
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15

Dragomir Design-Build Inc

Atascadero, CA · (714) 287-8137

CA-CSLB 1047736 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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18

Fusion Fabricators

San Luis Obispo, CA · (805) 441-0797

CA-CSLB 1028059 · C23 C51Steel and welding contractor
License activechecked Oct 24, 2026
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19

Mills Construction

Atascadero, CA · (805) 461-9048

CA-CSLB 816123 · B C43 +2General contractorHeating and air conditioningSteel and welding contractor+1
License activechecked Oct 24, 2026
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20

Nviro

San Luis Obispo, CA · (888) 886-8476

CA-CSLB 1056567 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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