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

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
1,359 listingsHow results are ordered
61

Scott Mark Construction Inc

Pleasant Hill, CA · (925) 944-0502

CA-CSLB 682814 · A B +2General engineering contractorGeneral contractorFlooring contractor+1
License activechecked Oct 24, 2026
CallDetails
64

Seeno Albert D III

Concord, CA · (925) 682-6419

CA-CSLB 750828 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
65

Seeno David T

Pleasant Hill, CA · (925) 483-2589

CA-CSLB 1030096 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
66

Seeno Thomas Albert

Walnut Creek, CA · (925) 932-4655

CA-CSLB 281272 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
67

Service Pros Plumbers Inc

Antioch, CA · (925) 753-5600

CA-CSLB 979455 · C34 C36 +1General engineering contractorPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
CallDetails
69

Slr International Corporation

Walnut Creek, CA · (510) 451-1761

CA-CSLB 991727 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
CallDetails
72

Stier Engineering

Antioch, CA · (951) 805-2440

CA-CSLB 1148360 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
74

Swinerton Builders

Concord, CA · (925) 602-6400

CA-CSLB 92 · A ASB +17General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
CallDetails
78

Swinerton / Webcor JV

Concord, CA · (925) 602-6400

CA-CSLB 1037955 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
80

Tcpaf Inc

Walnut Creek, CA · (415) 612-0588

CA-CSLB 1097485 · C31General engineering contractor
License activechecked Oct 24, 2026
CallDetails