Castlerock Excavating is a leading excavation general contractor. We are located in Billings, Montana and you’ll find many of our successful projects in our Montana and Wyoming service area.
Experience a new standard of dirtwork.
Licensed. Bonded. Insured.

SPECIALTIES
- Sewer, Stormwater, and Water Installation
- Grading & Site Work
- Foundations
- Pipe Bursting
TRENCHLESS PIPE BURSTING
Install new pipelines in the same or larger diameter with minimum excavation. more >
