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

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1,316 listingsHow results are ordered
121

Faten Fawzy

Danville, CA · (925) 357-7555

CA-CSLB 1162043 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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138

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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139

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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140

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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