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
1,316 listingsHow results are ordered
21

Coats Plumbing

Pittsburg, CA · (925) 352-5115

CA-CSLB 899428 · C34 C36General engineering contractorPlumber
License activechecked Oct 19, 2026
CallDetails
23

Crouse General Engineering

Concord, CA · (925) 586-1565

CA-CSLB 893938 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 19, 2026
CallDetails
25

Fleece Corp

Concord, CA · (925) 303-0302

CA-CSLB 900621 · AGeneral engineering contractor
License activechecked Oct 19, 2026
CallDetails
28

Ground Level Construction Inc

Concord, CA · (925) 446-6084

CA-CSLB 991672 · A B +2General engineering contractorGeneral contractorHeating and air conditioning+1
License activechecked Oct 19, 2026
CallDetails
31

J C C Inc

Concord, CA · (925) 370-6067

CA-CSLB 981209 · AGeneral engineering contractor
License activechecked Oct 19, 2026
CallDetails
32

Jb Infrastructure

Concord, CA · (925) 817-9875

CA-CSLB 1048640 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 19, 2026
CallDetails
36

M C K Services Inc

Concord, CA · (925) 957-9200

CA-CSLB 783116 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 19, 2026
CallDetails
37

Mce Corporation

Concord, CA · (925) 803-4111

CA-CSLB 439295 · A B +3General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 19, 2026
CallDetails
38

Nextenergy

Concord, CA · (800) 600-8171

CA-CSLB 854338 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 19, 2026
CallDetails
39

Oakmount Concrete

Pittsburg, CA · (925) 577-8992

CA-CSLB 991529 · A C8 +1General engineering contractorConcrete contractorLandscaper
License activechecked Oct 19, 2026
CallDetails