NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Martinez, CA

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

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363 listingsHow results are ordered
03

Crown Gutters

Martinez, CA · (925) 768-4560

CA-CSLB 898617 · D24Steel and welding contractor
License activechecked Oct 19, 2026
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04

Eagle Iron Works

Martinez, CA · (925) 250-1494

CA-CSLB 822419 · C23 C51Steel and welding contractor
License activechecked Oct 19, 2026
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05

Martinez Humberto

Martinez, CA · (925) 812-2077

CA-CSLB 924018 · B C23General contractorSteel and welding contractor
License activechecked Oct 19, 2026
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06

Acustruct

Concord, CA · (925) 872-4680

CA-CSLB 815096 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 19, 2026
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08

Conco

Concord, CA · (925) 685-6799

CA-CSLB 199902 · A B +5General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 19, 2026
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09

G a Pro Gutters

Pacheco, CA · (925) 405-2156

CA-CSLB 1136815 · D24Steel and welding contractor
License activechecked Oct 19, 2026
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10

Hernandez and Associates

Concord, CA · (925) 849-6033

CA-CSLB 759554 · D24 D38 +1Steel and welding contractorSpecialty contractorCarpenter
License activechecked Oct 19, 2026
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12

Mp Custom Metal

Pacheco, CA · (925) 518-9465

CA-CSLB 848521 · C23Steel and welding contractor
License activechecked Oct 19, 2026
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14

Pacific Maintenance Solutions

Concord, CA · (925) 849-6033

CA-CSLB 876963 · C8 D24 +2Concrete contractorSteel and welding contractorSpecialty contractor+1
License activechecked Oct 19, 2026
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17

Ag Welding

Pinole, CA · (510) 551-8783

CA-CSLB 1089349 · C60Steel and welding contractor
License activechecked Oct 19, 2026
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19

B & R Design LLC

Benicia, CA · (925) 300-7099

CA-CSLB 1101062 · C51Steel and welding contractor
License activechecked Oct 19, 2026
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20

Big Sky Welding

Concord, CA · (925) 765-7383

CA-CSLB 806793 · C60Steel and welding contractor
License activechecked Oct 19, 2026
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