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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

Bakersfield 337 San Francisco 307 San Diego 273 Sacramento 244 Los Angeles 235 Riverside 191 San Jose 188 Fresno 184 Irvine 140 Santa Rosa 134 Corona 122 Redding 119 El Cajon 117 Anaheim 116 Oakland 111 Temecula 110

Listings 41–60How results are ordered

41

T D Construction Co

LA Verne, CA · (626) 945-1201

CA-CSLB 401358 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

42

T En Stone & Webster Process Technology Inc

Claremont, CA · (909) 447-3600

CA-CSLB 1007806 · AGeneral engineering contractor

License activechecked Oct 24, 2026

43

Thacker's Engineering

Ontario, CA · (626) 695-6125

CA-CSLB 1141853 · AGeneral engineering contractor

License activechecked Oct 24, 2026

44

Theilacker Rudolf Carl Contractor

Ontario, CA · (909) 983-6089

CA-CSLB 279711 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

45

Titan Consolidated Industries Inc

Fontana, CA · (909) 357-9800

CA-CSLB 930759 · A C21 +1General engineering contractorExcavation, grading and pavingSpecialty contractor

License activechecked Oct 24, 2026

46

Traffic Control Inc

Montclair, CA · (909) 993-0895

CA-CSLB 1114182 · A C31General engineering contractor

License activechecked Oct 24, 2026

47

Turbine Repair Services LLC

Ontario, CA · (909) 947-2256

CA-CSLB 981674 · A C10General engineering contractorElectrician

License activechecked Oct 24, 2026

48

United Fiber

Montclair, CA

US-GSA-SAM JU3KHBAUN2X8General engineering contractor

License activechecked Oct 23, 2026

49

Victory Contractors Inc

Pomona, CA · (626) 574-9453

CA-CSLB 918491 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

50

W F Construction Inc

LA Verne, CA · (909) 599-4262

CA-CSLB 572359 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

51

Wavcomm Inc

Ontario, CA

US-GSA-SAM L6CBWM3FNYH7General engineering contractor

License activechecked Oct 23, 2026

52

West Coast Pipeline Specialist

Ontario, CA · (817) 228-9059

CA-CSLB 1129511 · A C10 +1General engineering contractorElectricianPlumber

License activechecked Oct 24, 2026

53

Westcor Development Inc

LA Verne, CA · (818) 421-9844

CA-CSLB 1047384 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

54

Wilson M Company Contractors Inc

LA Verne, CA · (909) 593-5272

CA-CSLB 757834 · A B +1General engineering contractorGeneral contractorElectrician

License activechecked Oct 24, 2026

55

Yacko Construction Inc

Ontario, CA · (909) 702-5216

CA-CSLB 1012085 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

56

Yacko John

Ontario, CA · (909) 702-5216

CA-CSLB 764923 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

57

Yx Calrise Builder Inc

LA Verne, CA · (909) 407-6889

CA-CSLB 1138401 · A BGeneral engineering contractorGeneral contractor

License activechecked Oct 24, 2026

58

Cgo Construction Company, Inc.

Ontario, CA

US-GSA-SAM DXNMPBPKNK23General engineering contractor

License activechecked Oct 23, 2026

59

Grand Concrete Inc

Fontana, CA

CA-CSLB 1064153 · A C8General engineering contractorConcrete contractor

License activechecked Oct 24, 2026

60

Noriega Pipeline Inc, Noriega Pipeline, Inc.

Fontana, CA

US-GSA-SAM VB28BHJL3ML4General engineering contractor

License activechecked Oct 23, 2026