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
21Walnut Creek, CA · (925) 262-7366
CA-CSLB 1010254 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
22Danville, CA · (630) 225-4286
CA-CSLB 993502 · A C57General engineering contractorWell drilling contractor
License activechecked Oct 24, 2026
23Concord, CA · (925) 287-0102
CA-CSLB 948803 · A B +1General engineering contractorGeneral contractorCarpenter
License activechecked Oct 24, 2026
24Danville, CA · (415) 636-8999
CA-CSLB 1120060 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
25Danville, CA · (925) 229-2900
CA-CSLB 964166 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
26Walnut Creek, CA · (925) 932-7900
CA-CSLB 267780 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
27Walnut Creek, CA · (925) 932-7900
CA-CSLB 978808 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
28Walnut Creek, CA · (915) 210-2245
CA-CSLB 445796 · AGeneral engineering contractor
License activechecked Oct 24, 2026
29Walnut Creek, CA · (915) 210-2245
CA-CSLB 730831 · AGeneral engineering contractor
License activechecked Oct 24, 2026
30Walnut Creek, CA · (925) 808-9550
CA-CSLB 924572 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
31Concord, CA · (925) 682-6419
CA-CSLB 922888 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
32Walnut Creek, CA · (925) 932-7900
CA-CSLB 1077289 · AGeneral engineering contractor
License activechecked Oct 24, 2026
33Concord, CA · (925) 766-7014
CA-CSLB 1027700 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
34Danville, CA · (650) 996-6898
CA-CSLB 803913 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
35Walnut Creek, CA · (888) 998-7739
CA-CSLB 1079314 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
36Concord, CA · (925) 602-8800
CA-CSLB 704210 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
37Concord, CA · (925) 689-5411
CA-CSLB 409154 · AGeneral engineering contractor
License activechecked Oct 24, 2026
38Concord, CA · (925) 685-6799
CA-CSLB 199902 · A B +5General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 24, 2026
39Antioch, CA · (800) 345-3476
CA-CSLB 1127176 · AGeneral engineering contractor
License activechecked Oct 24, 2026
40Danville, CA
US-GSA-SAM HK4REJQ8NL95General engineering contractor
License activechecked Oct 23, 2026