Mastermyne Group Limited is engaged in providing contracting services. The Company offers contracting services to the underground long wall mining operations, and industrial products and services in the coalfields and supporting industries of Queensland and New South Wales. Its business segments include Mastermyne and Mastertec. The Mastermyne segment provides project management, labor and equipment hire, underground conveyor installation, extension and maintenance, underground roadway development, underground ventilation device installation, bulk materials handling system installation, and relocation and underground mine support services. The Mastertec segment provides a range of above-ground contracting services to industry sectors, such as ports, resources, industrial and infrastructure. Its offerings include scaffolding and rigging, blast and paint, pipeline services, sustainable capital works, fabrication and machining, training and engineering, and technical services.