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
61Pleasant Hill, CA · (925) 483-2589
CA-CSLB 1039097 · AGeneral engineering contractor
License activechecked Oct 24, 2026
62Walnut Creek, CA
US-GSA-SAM MCQNLFAUA624General engineering contractor
License activechecked Oct 23, 2026
63Danville, CA · (925) 807-9469
CA-CSLB 1153113 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
64Concord, CA · (925) 288-0409
CA-CSLB 802256 · A C36 +1General engineering contractorPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
65Danville, CA · (925) 648-8035
CA-CSLB 892621 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
66Antioch, CA · (714) 654-8281
CA-CSLB 1092514 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
67Antioch, CA · (888) 212-6095
CA-CSLB 985256 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
68Antioch, CA · (510) 725-5871
CA-CSLB 1093309 · C34General engineering contractor
License activechecked Oct 24, 2026
69Walnut Creek, CA · (925) 360-0984
CA-CSLB 1138478 · AGeneral engineering contractor
License activechecked Oct 24, 2026
70Antioch, CA · (925) 848-7651
CA-CSLB 1151169 · AGeneral engineering contractor
License activechecked Oct 24, 2026
71Antioch, CA · (925) 779-9786
CA-CSLB 782522 · B D30General contractorGeneral engineering contractor
License activechecked Oct 24, 2026
72Antioch, CA · (925) 757-7000
CA-CSLB 943549 · C20 C34 +2Heating and air conditioningGeneral engineering contractorPlumber+1
License activechecked Oct 24, 2026
73Concord, CA · (925) 686-1780
CA-CSLB 215611 · A C12 +1General engineering contractorExcavation, grading and pavingAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
74Concord, CA · (925) 969-9200
CA-CSLB 572682 · A ASB +5General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
75Danville, CA · (925) 413-0523
CA-CSLB 555222 · A C10 +1General engineering contractorElectricianAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
76Concord, CA · (510) 209-0742
CA-CSLB 1079152 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
77Walnut Creek, CA · (925) 639-3674
CA-CSLB 1032050 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
78Pleasant Hill, CA · (707) 975-4512
CA-CSLB 940154 · AGeneral engineering contractor
License activechecked Oct 24, 2026
79Concord, CA · (925) 671-7711
CA-CSLB 720955 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
80Concord, CA · (925) 283-2528
CA-CSLB 248204 · A B +5General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026