NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Concord, CA

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

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309 listingsHow results are ordered
01

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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03

Big Sky Welding

Concord, CA · (925) 765-7383

CA-CSLB 806793 · C60Steel and welding contractor
License activechecked Oct 19, 2026
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04

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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05

Cooling and Heating Solutions

Concord, CA · (888) 870-1166

CA-CSLB 1053819 · C20 D04 +1Heating and air conditioningSpecialty contractorSteel and welding contractor
License activechecked Oct 19, 2026
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06

Danco Service

Concord, CA · (925) 878-5770

CA-CSLB 926807 · C60Steel and welding contractor
License activechecked Oct 19, 2026
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08

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

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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15

Hewatt Joel Company Inc

Pittsburg, CA · (925) 252-0200

CA-CSLB 791515 · B C23 +1General contractorSteel and welding contractor
License activechecked Oct 19, 2026
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16

J & S Steel Construction

Walnut Creek, CA · (925) 708-2900

CA-CSLB 832884 · B C43 +1General contractorHeating and air conditioningSteel and welding contractor
License activechecked Oct 19, 2026
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17

Mister Handrail

Bay Point, CA · (707) 477-6980

CA-CSLB 315484 · C23 C51Steel and welding contractor
License activechecked Oct 19, 2026
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