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

More cities in California

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1,826 listingsHow results are ordered
45

Aspire Builders

Danville, CA · (925) 594-6110

CA-CSLB 920386 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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46

Atzun Inc

San Ramon, CA · (925) 577-0267

CA-CSLB 1033493 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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47

Aubry Lloyd W Co Inc

Hayward, CA · (510) 732-9038

CA-CSLB 213261 · A C51 +1General engineering contractorSteel and welding contractorSpecialty contractor
License activechecked Oct 24, 2026
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48

Aztec Consultants

San Ramon, CA · (925) 837-1050

CA-CSLB 659133 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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49

Barker Construction

San Leandro, CA · (510) 395-3037

CA-CSLB 566160 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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52

Bayview Industrial Services Inc

Oakland, CA · (510) 562-6181

CA-CSLB 1019537 · A B +4General engineering contractorGeneral contractorDrywall, plaster and insulation+2
License activechecked Oct 24, 2026
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54

Bear Construction Inc

Hayward, CA · (510) 736-6499

CA-CSLB 1072788 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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56

Bernardini Engineering

Oakland, CA · (650) 458-6356

CA-CSLB 1049901 · A D38 +2General engineering contractorSpecialty contractorTree service
License activechecked Oct 24, 2026
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57

Bess Testlab Inc

Hayward, CA · (408) 988-0101

CA-CSLB 817532 · A C31 +2General engineering contractorConcrete contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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60

Blueprint & Beyond

San Ramon, CA · (516) 580-6804

CA-CSLB 1139251 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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