© 2019 GMS Mine Repair & Maintenance


Global Headquarters

32 Enterprise Drive

Mount Lake Park, MD 21550

United States

TEL 301-334-8186

SERVICES  > Contract Labor

GMS Employee
Development Program 


Our GMS Employee Development Program ensures that every employee is ready to work having had all necessary PPE and skills training. Once on the job, they are eligible to be hired after completion of the GMS probationary period, further enhancing a successful on-boarding.

Ground Control

  • Back & Rib Bolting

  • Steel Set & Arch Installation

  • Can, Post & Steel props Installation

  • Pumpable Cribs

  • Shotcrete, Wet & Dry

  • Steel Pumpable Cans

  • Glue Injection

  • Cementitious Grouting

  • PUR/PUS Glue Injection

  • High Wall Control

  • Voids & Backfilling



  • Overcasts/Undercasts

  • Stoppings/Curtain Walls

  • Seals

  • Fan Ducting Installation

  • Thin Spray Liners

  • Man Doors & Equipment Doors

  • Ambient Air Movement/Fume Removal


Belt Terminal Services

  • Drive Installations

  • Take-Up Units

  • Head Frames

  • Chute Work/Replacement

  • Conveyor Structure Installation




Slope/Drift Excavation

Shaft Work

  • Raise Bore Shaft Excavation

  • Shaft Liners

  • Shaft Grouting

  • Guide Rail Replacement

  • Shaft Rehabilitation




Production Mining

  • Underground Continuous Mining

  • Underground Conventional Mining

  • Surface Mining


Longwall Services

  • Longwall Moves

  • Longwall Maintenance


Surface Construction


GMS Mine Repair & Maintenance is the industry leader for well-trained, fully-equipped, supplemental labor! We also provide elite, highly experienced labor crews to take on the most specialized and demanding mining and tunneling projects.