GMS Mine Repair & Maintenance

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.