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

01

Abc Resources Inc

Ontario, CA · (909) 988-0390

CA-CSLB 538680 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
02

Ace Engineering Inc

Ontario, CA · (909) 392-4600

CA-CSLB 613320 · A ASB +2General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
03

Affordable Services

Ontario, CA · (562) 694-2449

CA-CSLB 857640 · C21 D06 +2Excavation, grading and pavingConcrete contractorTree service+1
License activechecked Oct 24, 2026
05

C P Construction Co Inc

Ontario, CA · (909) 981-1091

CA-CSLB 304795 · A C12 +2General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
07

Doja Inc

Ontario, CA · (909) 628-1999

CA-CSLB 597764 · A B +3General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
08

H Septic

Ontario, CA · (909) 223-7754

CA-CSLB 1149300 · C42Excavation, grading and paving
License activechecked Oct 24, 2026
11

Jdk Demo

Ontario, CA · (909) 975-2469

CA-CSLB 1048561 · C12 C21Excavation, grading and paving
License activechecked Oct 24, 2026
14

Ortiz Gabriel

Ontario, CA · (909) 260-9851

CA-CSLB 1097265 · C12 C21Excavation, grading and paving
License activechecked Oct 24, 2026
16

Premier Paving Inc

Ontario, CA · (909) 902-5353

CA-CSLB 638301 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
18

Pro Tech Plumbing

Ontario, CA · (909) 988-7272

CA-CSLB 915091 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
19

Rad Services Inc

Ontario, CA · (909) 342-9994

CA-CSLB 1073055 · ASB C21 +1Asbestos and hazardous materials abatementExcavation, grading and paving
License activechecked Oct 24, 2026