Underground & Surface Core Drilling
For over 30 years, Timberline Drilling has delivered safe, reliable, and efficient drilling solutions for mining and exploration projects across the United States.
Core Drilling Experts
Timberline Drilling provides underground and surface core drilling services for mining and mineral exploration projects throughout the United States.
Backed by experienced crews, specialized equipment, and a commitment to safety, we deliver dependable drilling solutions across a wide range of drilling environments. Every project is approached with professionalism, precision, and a focus on building lasting client relationships.
Surface & Underground Core Drilling
Every drilling program is unique. Timberline delivers dependable drilling solutions backed by experienced people, specialized equipment, and decades of industry knowledge.
Surface Core Drilling
With a versatile fleet of track-, truck-, and skid-mounted drill rigs, Timberline supports projects ranging from remote mineral exploration to active mine operations. Our experience includes helicopter-supported drilling, deep-hole drilling, horizontal drilling, and infill programs.
Surface Core Drilling
Underground Core Drilling
Timberline provides safe, efficient underground core drilling services backed by experienced crews and specialized equipment. Our team delivers dependable performance in underground operations across the United States.
Underground Core DrillingBuilt to Perform. Trusted to Deliver.
Our reputation is built on experienced people, specialized equipment, safe operations, lasting partnerships, and dependable results.
Safety First
Safety is embedded in every aspect of our operations through proactive planning, comprehensive training, personal accountability, and continuous improvement.
Learn About SafetyExperienced Crews
Our experienced teams bring practical field knowledge and professional execution to every project. Through comprehensive internal training and career-development programs, we continually strengthen our crews, promote from within, and build the next generation of drilling professionals.
Specialized Equipment
Our robust capital investment and preventive maintenance programs keep our diverse fleet performing reliably in demanding underground and surface environments. Through continuous innovation and in-house custom fabrication, we adapt equipment to meet each project’s unique operational and logistical requirements.
Lasting Partnerships
We build lasting partnerships through open communication, dependable performance, collaboration, and a shared commitment to project success.
Cost Efficiency
Budgets matter. We work closely with our clients to understand their financial objectives and evaluate every aspect of the program to control costs, improve logistical efficiency, and deliver the project within budget.
Regional Mobilization Network
Equipped to Mobilize Across the United States
With strategically located offices and an experienced mobile workforce, Timberline Drilling is positioned to support underground and surface core drilling programs throughout the United States. Our crews and equipment are deployed according to each project’s location, scope, and operating requirements.
Coverage areas are shown for general reference and do not represent fixed service boundaries. Timberline Drilling mobilizes crews and equipment based on each project’s location and requirements.
Trusted Partnerships
Trusted by Industry Leaders
For over 30 years, Timberline Drilling has supported leading mining, exploration, and industrial companies across the United States.
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Build Your Career with Timberline
Join a team that values safety, professionalism, teamwork, and opportunities for long-term growth.
Do You Have a Project We Can Help With?
Whether you are planning a new exploration program or looking for an experienced drilling partner, our team is ready to discuss your project.