Maddex Turbine Services is part of Rotation Group, providing overhaul, repair and field service of GE LM2500 gas turbines for global oil and gas, power generation and naval clients. Maddex Turbine Services in Fort St John, BC is our primary overhaul depot facility, where we undertake full LM2500 engine overhaul, component repair and engine testing. Rotation Group have a secondary workshop facility for module repair in Auckland, New Zealand, and a field service business in Perth, Australia.