NAICS 237990 · Other Heavy and Civil Engineering Construction
General engineering contractors in Upland, CA
49 licensed general engineering contractors · every license checked against the issuer's file
More cities in California
61Montclair, CA · (909) 993-5998
CA-CSLB 1146693 · A C10 +2General engineering contractorElectricianSpecialty contractor
License activechecked Oct 24, 2026
Montclair, CA · (909) 628-1253
CA-CSLB 288589 · A C10 +2General engineering contractorElectricianSpecialty contractor
License activechecked Oct 24, 2026
Montclair, CA · (909) 628-1256
CA-CSLB 961649 · A C10 +1General engineering contractorElectrician
License activechecked Oct 24, 2026
Alta Loma, CA · (909) 732-3337
CA-CSLB 838617 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 481-1106
CA-CSLB 1016198 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
Claremont, CA · (626) 339-7000
CA-CSLB 945955 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
Ontario, CA · (213) 949-4202
CA-CSLB 1017796 · A C10 +3General engineering contractorElectricianHeating and air conditioning+2
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 224-1690
CA-CSLB 1058650 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
Alta Loma, CA · (909) 518-5616
CA-CSLB 1159160 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Montclair, CA · (909) 984-9984
CA-CSLB 1152705 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
Ontario, CA · (909) 920-1144
CA-CSLB 1005429 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (800) 951-3811
CA-CSLB 1044261 · A ASB +5General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
Ontario, CA · (909) 628-1999
CA-CSLB 1034053 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Ontario, CA · (323) 378-0109
CA-CSLB 1001396 · A B +4General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
Claremont, CA · (951) 332-1680
CA-CSLB 1153818 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 972-7581
CA-CSLB 804431 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
Claremont, CA · (909) 624-6222
CA-CSLB 826980 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Montclair, CA · (909) 983-9557
CA-CSLB 288402 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
Ontario, CA · (310) 963-5108
CA-CSLB 1025024 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Rancho Cucamonga, CA · (909) 657-3618
CA-CSLB 888802 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026