Monadelphous Group Limited (Monadelphous) is an Australia-based diversified services company operating in the resources, energy and infrastructure industry sector. Monadelphous has two operating divisions consisting: Engineering Construction-which includes fabrication, modularization, offsite pre-assembly, procurement and installation of structural steel, mechanical and process equipment, piping, plant commissioning, demolition, remediation works, electrical and instrumentation services and Maintenance and Industrial Services- division specializes in the planning, management and execution of mechanical and electrical maintenance services, shutdowns, fixed plant maintenance services and sustaining capital works. Monadelphous core markets are: Iron Ore, Oil and Gas. Monadelphous Properties Pty Ltd, Genco Pty Ltd, is some of the subsidiaries of the company. The Company sold its aviation support services business, Skystar to Menzies Aviation (Menzies), a division of John Menzies plc.