b'Pioneering spiritThiess Bros was formally registeredThe Thiess brothers first plane, an Avro Anson,on 16 April 1934. From the start, was christened Progress. Their aircraft helped mobilise the brothers ability to get the bestemployees quickly and helped the brothers connect out of their people and machineswith key stakeholders.drove their success.In 1958, Thiess Bros became the During and after World War II Thiess Bros worked first Australian company to winwith the Australian Government to respond to the a major contract on the Snowyenergy crisis. It won contracts to open up the Blair Athol Mountains Hydroelectric Scheme, and Muswellbrook coal mines, marking the beginning of a nation-building project that had Thiess long association with mining.a profound impact on Australia.By 2014, the year Thiess transitionedIn 1988, Thiess continued to demonstrate engineering entirely into mining, it had built 84excellence and tunnelling expertise by delivering dams for the 80 years it had beenAustralias first immersed tube road tunnel under operatingdelivering on Sir LesSydney Harbour. This section also represents Thiess dream that Thiess would build oneproud legacy of major civil infrastructure, which includes a year. the Tooma-Tumut Tunnel, Epping toChatswood Rail Link, Lane Cove Tunnel and Airport Link.'