Baldry Brothers Drilling
California licence 1146083 · Corporation
Also known as Cornerstone Drilling Corporation
P O Box 222, Windsor, CA 95492
CLEAR
434 days to renewal
Classifications
Bond and insurance
- Contractor bond
- $25,000
- American Contractors Indemnity Company · #100976501
- Workers' compensation
- State Compensation Insurance Fund
- Expires July 16, 2027
Licence timeline
- Issued
- November 7, 2025
- Expires
- November 30, 2027
- Registry updated
- November 10, 2025
Sonoma County · estimating tools for California steel work