NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Castro Valley, CA

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

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1,826 listingsHow results are ordered
41

Conflo Services Inc

Hayward, CA · (510) 732-6695

CA-CSLB 965030 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
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46

Custom Construction Co

Hayward, CA · (510) 918-8281

CA-CSLB 498345 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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47

D & D Constructors Inc

San Ramon, CA · (925) 250-1989

CA-CSLB 1095287 · A B +2General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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48

D-Line Constructors Inc

Oakland, CA · (510) 251-6400

CA-CSLB 944284 · A ASB +6General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
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49

D W Nicholson Corporation

Hayward, CA · (510) 887-0900

CA-CSLB 68847 · A B +10General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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50

D3 Environmental Engineering

Alameda, CA · (510) 520-9614

CA-CSLB 1014375 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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51

Dan Electric

San Leandro, CA · (510) 351-7100

CA-CSLB 786781 · A B +3General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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52

Danel Inc

San Leandro, CA · (510) 282-8820

CA-CSLB 884247 · A B +3General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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53

Danliv Inc

Danville, CA · (925) 434-5154

CA-CSLB 1070436 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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54

Davidson Construction

San Ramon, CA · (916) 919-4746

CA-CSLB 982799 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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59

Dees-Hennessey Inc

Hayward, CA · (650) 595-8933

CA-CSLB 481228 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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