© 2019 GMS Mine Repair & Maintenance


Global Headquarters

32 Enterprise Drive

Mount Lake Park, MD 21550

United States

TEL 301-334-8186

Our talented and innovative engineers can work with you to create the perfect, customized solutions to your underground construction or ground support challenges.

GMS-designed products include:​​


Pioneer Conveyor

An affiliate of GMS Mine Repair & Maintenance, Pioneer Conveyor is a leading bulk material conveyor manufacturing firm serving customers throughout North America. Pioneer has complete, on-site engineering, machining, and fabrication capabilities to design and manufacture even the most complicated conveyor systems. Visit us at Pioneer Conveyor.

Custom Fabrications

Developing unique equipment for your unique situations.


Our experienced engineers and skilled fabricators can custom manufacture equipment and parts to repair or rebuild most machinery or equipment. Whether you are looking for a safer way to perform a task or need to replace an obscure part, we can design and create it and keep you mining.


Belt Badger

Remote-operated excavation machine, nimble and compact enough to access areas too difficult to reach for traditional heavy equipment, such as under conveyors.


Download the Belt Badger PDF for more details.


ROSA (Remote Oscillating Shotcrete Arm)

Versatile attachment that mounts on most hydraulic equipment to allow GMS miners to remotely apply shotcrete from a safe location using any dry or wet shotcrete pump.

Other popular GMS
products include:


Steel Sets/Arches

  • Designed and fabricated to fit your needs
  • Professional installation crews

Steel Back Supports

  • Adjustable Steel Back-to-Floor Rigid Supports

  • Available in 30 and 50 Tons

  • 18 in. Adjustability