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

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
864 listingsHow results are ordered
41

Thompson/Focon JV

Novato, CA · (415) 456-8972

CA-CSLB 1081523 · A B +1General engineering contractorGeneral contractorGlass and window contractor
License activechecked Oct 24, 2026
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44

W Bradley Electric LLC

Novato, CA · (415) 898-1400

CA-CSLB 1114449 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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48

Nordic West Company Inc

American Canyon, CA

CA-CSLB 1111850 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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50

A B C Asphalt

Petaluma, CA · (707) 769-4429

CA-CSLB 732314 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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51

A S B Steel

Petaluma, CA · (707) 477-3586

CA-CSLB 777621 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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52

A T S

Napa, CA · (707) 337-3190

CA-CSLB 526380 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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54

Advance Concrete Inc

Novato, CA · (415) 720-9871

CA-CSLB 987936 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
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56

All Bay Sewer Inc

Santa Rosa, CA · (415) 702-8626

CA-CSLB 1076969 · C34 C36General engineering contractorPlumber
License activechecked Oct 24, 2026
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58

Allphase Paving

Petaluma, CA · (707) 333-7540

CA-CSLB 706652 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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