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Contractors State License Board9821 Business Park Drive
Sacramento, CA 95827
Phone (800) 321-CSLB
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General Info- Library
- C61 - Limited Specialty
- D09 - Drilling, Blasting & Oil Field Work
D09 - Drilling, Blasting and Oil Field Work Contractor
California Code of Regulations
Division 8, Title 16, Article 3. Classification
A drilling contractor does core and post hole drilling, horizontal drilling (no piping) and drilling for placement of charges and performing blasting work; performs drilling for site dewatering, oil well drilling and other oil field related specialty work. (DOES NOT INCLUDE WATER WELL DRILLING)