NAICS 238910 · Site Preparation Contractors

Excavation, grading and paving in San Ramon, CA

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

41

Conflo Services Inc

Hayward, CA · (510) 732-6695

CA-CSLB 965030 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
45

Demomex

Concord, CA · (925) 586-5461

CA-CSLB 1115427 · C21Excavation, grading and paving
License activechecked Oct 24, 2026
46

Diablo Striping Inc

Walnut Creek, CA · (925) 262-3001

CA-CSLB 936257 · C32Excavation, grading and paving
License activechecked Oct 24, 2026
47

Dig This Inc

Walnut Creek, CA · (925) 673-9405

CA-CSLB 742485 · C12Excavation, grading and paving
License activechecked Oct 24, 2026
49

East Bay Sewer Inc

Oakland, CA · (510) 309-7544

CA-CSLB 1135344 · A C42General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
51

Emergency Rooter

Oakland, CA · (510) 388-0567

CA-CSLB 729165 · A C42General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
54

Finch Plumbing & Sewer

San Leandro, CA · (510) 703-4840

CA-CSLB 1148938 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
58

Golden Bay Construction Inc

Hayward, CA · (510) 783-2960

CA-CSLB 451401 · A B +4General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
59

Gradetech Inc

Livermore, CA · (928) 401-5092

CA-CSLB 628365 · A C21 +1General engineering contractorExcavation, grading and pavingAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026