NAICS 238910 · Site Preparation Contractors

Excavation, grading and paving in Ontario, CA

29 licensed excavation, grading and paving · every license checked against the issuer's file

81

J C E Equipment Inc

Upland, CA · (909) 921-6367

CA-CSLB 879069 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
82

J E Plount and Company Inc

Upland, CA · (909) 957-5773

CA-CSLB 415296 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
83

J F Engineering Inc

Pomona, CA · (909) 721-7698

CA-CSLB 873691 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
85

J M G Inc

Chino Hills, CA · (909) 721-1384

CA-CSLB 992869 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
86

Jed August

Rancho Cucamonga, CA · (323) 397-0828

CA-CSLB 536787 · B C10 +5General contractorElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
88

Jimenez Backhoe

Fontana, CA · (909) 349-7518

CA-CSLB 1034151 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
90

Johnnys Tree Service

Upland, CA · (909) 946-1123

CA-CSLB 270275 · C21 D49Excavation, grading and pavingTree service
License activechecked Oct 24, 2026
92

K & L Contracting Inc

Fontana, CA · (909) 452-7038

CA-CSLB 531048 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
93

King Scott

Riverside, CA · (951) 351-0961

CA-CSLB 1009153 · D56Excavation, grading and paving
License activechecked Oct 24, 2026
94

Kml Services Inc

Corona, CA · (949) 955-2017

CA-CSLB 980786 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
95

Knox Backhoe

Chino Hills, CA · (909) 477-7035

CA-CSLB 1063248 · D56Excavation, grading and paving
License activechecked Oct 24, 2026
96

L C R Earthwork Engineering

Jurupa Valley, CA · (951) 934-3231

CA-CSLB 1048288 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
97

L & M Construction Inc

Pomona, CA · (909) 559-9487

CA-CSLB 998303 · A C21 +1General engineering contractorExcavation, grading and pavingAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
99

Lanko Construction Corp

Upland, CA · (909) 559-9487

CA-CSLB 922377 · A C21 +1General engineering contractorExcavation, grading and pavingAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
100

Latco - Latta Larry R

Chino, CA · (530) 575-5997

CA-CSLB 634104 · B C34 +2General contractorGeneral engineering contractorPlumber+1
License activechecked Oct 24, 2026