GMS Mine Repair
About Us
Trusted Since 1980
Mining Solutions. Driving Results.
GMS is a premier mining and tunneling contractor with over 40 years of experience delivering full-service underground and surface solutions across North America. Headquartered in Oakland, Maryland, and serving mines throughout North America, GMS has earned a reputation for excellence by providing expert contract mining services, innovative engineering support, and top-tier mining products. Our commitment to safety, technical precision, and long-term client partnerships has made us a trusted name in the mining industry.
At GMS, we’re more than a service provider — we’re a boots-on-the-ground team of skilled tradespeople, engineers, electricians, and industry veterans who understand the complex demands of modern mining. From development and production to ground control, ventilation, and custom fabrication, we take a collaborative, turnkey approach that adds value at every stage. With an engineering-driven mindset and a culture built on integrity, we deliver results that drive productivity, protect workers, and power progress.
Our Active Footprint
GMS crews and equipment operate across the U.S. and Canada, supporting mining and tunneling projects in diverse regions and geologies. From hard rock and coal to salt and industrial minerals, this map highlights our active footprint and the reach of our experienced, safety-driven teams.
Our Mission
GMS advances the mining industry with safe, innovative, and reliable solutions — guided by integrity and rooted in family—delivering lasting value for our clients, growth for our people, and strength for the industry.
Our Values
Our core values are built on safety, integrity, reliability, and innovation. We believe in doing the job right the first time, maintaining a strong safety culture that protects our people and our partners. We operate with honesty and transparency, holding ourselves accountable to the highest standards of professionalism. With a mindset of continuous improvement, we invest in our people, embrace new technologies, and adapt to evolving challenges—ensuring that every GMS project reflects our dedication to long-term success and lasting relationships.
What Sets Us Apart
GMS is built on a foundation of engineering excellence. Our technical teams guide every phase of a project to ensure precision, efficiency, and quality control from design through execution.
Safety isn’t a policy — it’s a culture. From daily risk assessments to ongoing hands-on training, we prioritize protecting our crews and client operations with some of the industry’s lowest incident rates.
We believe great projects start with great relationships. GMS works closely with clients to understand their goals, solve challenges proactively, and deliver consistent results through open, transparent communication.
Our team is made up of seasoned professionals — including miners, engineers, electricians, and mechanics — who bring real-world experience and field-tested skills to every job site. Their expertise ensures reliable, high-performance outcomes in even the most demanding environments.
GMS delivers end-to-end mining and tunneling solutions — from engineering and fabrication to installation and support. This turnkey approach minimizes downtime, streamlines project delivery, and maximizes return on investment.
Proven Presence
Mining Crews Deployed Throughout North America
With 16 regional offices strategically positioned across North America, GMS provides comprehensive contracting services tailored to the unique requirements of each mining operation. Recognized as a leading mining and tunneling contractor, we combine engineered solutions with proven field execution to deliver projects safely, efficiently, and with lasting value.
Our capabilities encompass the full spectrum of mine development and support, including contract mining, shaft and slope construction, installation of ventilation and material handling systems, and complete site infrastructure builds. Every project is approached with a commitment to operational excellence, aligning technical expertise with practical, boots-on-the-ground experience.
For more than four decades, GMS has built its reputation on integrity, safety, and performance. By partnering closely with our clients, we deliver results that enhance productivity, protect people and assets, and support the long-term success of the mining industry across North America.
Our Affiliates
Our Top Priority
Committed to Safety in Every Task, Every Shift, Every Site
At GMS, safety isn’t a checkbox — it’s a core value that drives every decision we make. From comprehensive training programs to our Safety Champions initiative, we empower every team member to lead with safety in mind. Learn how we protect our crews and build a culture of accountability across North America.
