NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Sonoma, CA

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

More cities in California

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835 listingsHow results are ordered
21

Wellander Corporation

Sonoma, CA · (707) 934-8198

CA-CSLB 985622 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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24

All Bay Drilling Inc

Petaluma, CA · (707) 762-1199

CA-CSLB 734075 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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25

Alpha Trenchless

Petaluma, CA · (415) 377-6939

CA-CSLB 1044308 · C34 C36General engineering contractorPlumber
License activechecked Oct 24, 2026
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29

Bell Products Inc

Napa, CA · (707) 255-1811

CA-CSLB 171534 · A B +4General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026
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32

Bpi Oneroof

Napa, CA · (707) 252-9990

CA-CSLB 930054 · A C10 +1General engineering contractorElectricianRoofer
License activechecked Oct 24, 2026
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36

Corona Seal and Stripe

Napa, CA · (707) 815-1743

CA-CSLB 1102542 · C32 D30Excavation, grading and pavingGeneral engineering contractor
License activechecked Oct 24, 2026
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37

Curran Environmental Services Inc

Petaluma, CA · (707) 529-6693

CA-CSLB 269122 · A ASB +3General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
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39

D E S Builders

Napa, CA · (707) 226-7600

CA-CSLB 904879 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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