Birdray

CSLB classification · Specialty

D-09 Drilling, Blasting and Oil Field Work

Drilling and blasting services.

161
Active licences
133
With workers' comp
83%
31
Renewing in 90 days
5
Lapsed or suspended
23
Exempt
1
New in 90 days

Coverages a producer should expect

  • ›Workers' comp
  • ›General liability with high limits
  • ›Pollution

WCIRB classes usually assigned

Assigned from the specific operations; no single governing class.

Governing class depends on actual operations and payroll. Verify with the WCIRB classification search before quoting.

Carriers writing this class

Policies on file, statewide

  1. State Compensation Insurance Fund31
  2. Travelers Property Casualty Co. Of America15
  3. Zurich American Insurance Co.11
  4. Insurance Co. Of The West8
  5. Starr Indemnity & Liability Company6
  6. Federal Insurance Co.4
  7. Starstone National Insurance Co.4
  8. Carolina Casualty Insurance Co.3
  9. Cypress Insurance Co.3
  10. Oak River Insurance Co.2

D-09 workers' comp renewals by month, California

5
Sep
14
Oct
11
Nov
3
Dec
21
Jan
5
Feb
12
Mar
10
Apr
8
May
11
Jun
9
Jul
10
Aug

Counties with the most

  1. Kern County38
  2. Los Angeles County21
  3. County20
  4. Riverside County13
  5. Ventura County9
  6. Santa Clara County8
  7. Orange County7
  8. San Bernardino County5
  9. San Luis Obispo County4
  10. Placer County4
  11. Santa Barbara County4
  12. San Francisco County3

Related classes in Specialty

C-61 Limited Specialty (D classifications)D-03 AwningsD-12 Synthetic ProductsD-21 Machinery and PumpsD-28 Doors, Gates and Activating DevicesD-34 Prefabricated EquipmentD-39 ScaffoldingD-40 Service Station Equipment and MaintenanceD-42 Non-Electrical Sign InstallationD-52 Window CoveringsD-63 Construction Clean-upD-64 Non-specialized

Frequently asked

What does a D-09 licence allow a contractor to do?
Drilling and blasting services.
What insurance does a D-09 contractor need?
Workers' compensation is required by law once they have employees; the CSLB suspends a licence without it. Beyond that, producers usually place: Workers' comp; General liability with high limits; Pollution.
How many D-09 contractors are there in California?
161 active licences hold the D-09 classification as of 2026-09-06; 133 (83%) have workers' comp on file and 23 are exempt.
When do D-09 workers' comp policies renew?
31 renew within 90 days. January is the peak month.
Selling to D-09 contractors in California?
Birdray runs signal-timed outbound for one agency per territory: the companies behind these numbers, the person to email, and the renewal date, sent from your inbox. The database is free to search.
How the outbound worksSearch free

Sources: CSLB licence and workers' compensation records, California Secretary of State, OSHA, FMCSA, county permits. Aggregates only; no individual contractor appears on this page. "Active" means a CLEAR licence status. Renewal counts include policies on file with the CSLB expiring in the window. Refreshed weekly; this page as of 2026-09-06. Every field and its source →

D-09 Drilling, Blasting and Oil Field Work: Insurance and WCIRB Classes | Birdray