NAICS 237990 · Other Heavy and Civil Engineering Construction
General engineering contractors in Alta Loma, CA
19 licensed general engineering contractors · every license checked against the issuer's file
More cities in California
61Ontario, CA · (805) 236-7533
CA-CSLB 1032593 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 930-1793
CA-CSLB 858888 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 680-2418
CA-CSLB 972427 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Fontana, CA · (909) 702-3503
CA-CSLB 1121213 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Ontario, CA · (951) 317-6646
CA-CSLB 1062965 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Claremont, CA · (909) 821-2840
CA-CSLB 994292 · A B +1General engineering contractorGeneral contractorSwimming pool contractor
License activechecked Oct 24, 2026
Ontario, CA · (626) 695-6125
CA-CSLB 1107352 · AGeneral engineering contractor
License activechecked Oct 24, 2026
LA Verne, CA · (323) 253-1356
CA-CSLB 1041038 · A ASB +3General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
Fontana, CA · (909) 357-1566
CA-CSLB 998960 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 628-1999
CA-CSLB 597764 · A B +3General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
LA Verne, CA · (909) 741-7842
CA-CSLB 1140837 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 273-1975
CA-CSLB 1131376 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Ontario, CA · (949) 536-8258
CA-CSLB 1027517 · A C27General engineering contractorLandscaper
License activechecked Oct 24, 2026
Fontana, CA
US-GSA-SAM EMMFH5EPQE84General engineering contractor
License activechecked Oct 23, 2026
Redlands, CA · (909) 376-7557
CA-CSLB 729665 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 621-7599
CA-CSLB 828248 · AGeneral engineering contractor
License activechecked Oct 24, 2026
Ontario, CA · (909) 391-4646
CA-CSLB 606705 · A C16 +1General engineering contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
Fontana, CA · (909) 350-3658
CA-CSLB 940343 · A B +1General engineering contractorGeneral contractorRoofer
License activechecked Oct 24, 2026
LA Verne, CA · (909) 596-3631
CA-CSLB 468926 · A B +1General engineering contractorGeneral contractorPlumber
License activechecked Oct 24, 2026
Montclair, CA · (800) 581-3710
CA-CSLB 1007851 · A C10 +2General engineering contractorElectricianSpecialty contractor+1
License activechecked Oct 24, 2026