NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Clayton, CA

9 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
1,316 listingsHow results are ordered
21

Faten Fawzy

Danville, CA · (925) 357-7555

CA-CSLB 1162043 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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38

Geostructural Engineering Inc

Pleasant Hill, CA · (707) 322-3507

CA-CSLB 1062689 · A C57 +1General engineering contractorWell drilling contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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39

Ghd Services Inc

Concord, CA · (925) 849-1000

CA-CSLB 855376 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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40

Gilbane Federal

Concord, CA · (925) 946-3100

CA-CSLB 702708 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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