Mastermyne Group Limited, formerly Metarock Group Limited, is an Australia-based mining services company. The Company's capabilities span new mine development, mine operation and all mine support services. Its mining provides a full range of services and equipment to the coal mining industry, including new mine development, mine operation, roadway development, conveyors, outbye services, ventilation, secondary support, longwall relocations, polymeric emergency strata consolidation, production and ancillary equipment, and mining consumables. In addition, its Registered Training Organization delivers training and compliance solutions that improve efficiency and reduce costs to mine operators. Its portfolio of work encompasses outcomes for clients above and below ground from major ports to Tier 1 resources companies, including Anglo American, South 32, BMA, Glencore, Rio Tinto, Whitehaven, and Peabody.