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

101

Lee Michael T

Chino, CA · (909) 627-4890

CA-CSLB 301740 · C12Excavation, grading and paving
License activechecked Oct 24, 2026
103

Lee & Stires Inc

Montclair, CA · (909) 983-9557

CA-CSLB 288402 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
105

Lions Demolition

Pomona, CA · (909) 506-4744

CA-CSLB 1072435 · ASB C21 +1Asbestos and hazardous materials abatementExcavation, grading and paving
License activechecked Oct 24, 2026
106

Lm-70 Company

Jurupa Valley, CA · (951) 533-3322

CA-CSLB 1083902 · C12Excavation, grading and paving
License activechecked Oct 24, 2026
109

M K P Construction Co

Upland, CA · (909) 427-9600

CA-CSLB 535134 · C12 C34 +1Excavation, grading and pavingGeneral engineering contractor
License activechecked Oct 24, 2026
111

M M C Hernandez

Riverside, CA · (951) 232-5871

CA-CSLB 822071 · B C8 +1General contractorConcrete contractorExcavation, grading and paving
License activechecked Oct 24, 2026
112

Maestro Construction Inc

Chino Hills, CA · (626) 699-5599

CA-CSLB 1060987 · B C21General contractorExcavation, grading and paving
License activechecked Oct 24, 2026
113

Max Asphalt

Chino, CA · (951) 236-9204

CA-CSLB 778695 · C12Excavation, grading and paving
License activechecked Oct 24, 2026
116

Millan Grading

Riverside, CA · (951) 440-9572

CA-CSLB 822442 · C12Excavation, grading and paving
License activechecked Oct 24, 2026
120

Norfork Incorporated

Rancho Cucamonga, CA · (909) 560-3416

CA-CSLB 868794 · A B +3General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026