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
42

Blue Flame Crew West LLC

Danville, CA · (630) 225-4286

CA-CSLB 993502 · A C57General engineering contractorWell drilling contractor
License activechecked Oct 24, 2026
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43

Blueline Engineering Inc

Concord, CA · (925) 287-0102

CA-CSLB 948803 · A B +1General engineering contractorGeneral contractorCarpenter
License activechecked Oct 24, 2026
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44

Boscolai Construction

Danville, CA · (415) 636-8999

CA-CSLB 1120060 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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45

Bradley Tanks Inc

Danville, CA · (925) 229-2900

CA-CSLB 964166 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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46

Brosamer Robert

Walnut Creek, CA · (925) 932-7900

CA-CSLB 267780 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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47

Brosamer & Wall Inc

Walnut Creek, CA · (925) 932-7900

CA-CSLB 978808 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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48

Brown and Caldwell

Walnut Creek, CA · (915) 210-2245

CA-CSLB 445796 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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50

Brown Construction

Walnut Creek, CA · (925) 808-9550

CA-CSLB 924572 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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51

Burton Underground Inc

Concord, CA · (925) 682-6419

CA-CSLB 922888 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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56

Carone & Company Inc

Concord, CA · (925) 602-8800

CA-CSLB 704210 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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58

Conco

Concord, CA · (925) 685-6799

CA-CSLB 199902 · A B +5General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 24, 2026
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