Mackex Services, based in Western Sydney, is a power line construction business working throughout NSW and Australia. We are authorised to work up to 132Kv for Endeavour energy, Ausgrid and Essential Energy. Mackex Services has also carried out works for Transgrid on their 500kv and 330kv networks. Mackex Services has built a reputation in Australia as being one of the leading contractors for any sub transmission/transmission work, having carried out works for the following companies: Powerserve, Powercor, Connect, John Holland, AusNet, CPP ActewAGL, Power & Water Corporation, Western Power, Downer, Downer EDI, Zinfra, Transgrid, Endeavour Energy, Ausgrid, Essential Energy, UGL, Sydney Trains, CPP and Aeropower.