GBF Mining

In a rare interview, Byrnecut executive chairman Steve Coughlan spoke to Business News about the growth of the low-profile mining contractor into one of WA's biggest private companies. Click through to see our comprehensive BNiQ list of private companies.

The two big mining contractors that dominate the underground sector have very different recent histories, but face similar challenges.

Perth-based underground mining contractor GBF Mining and Industry Services has signed an agreement with Cortona Resources to mine its Dargues Reef gold deposit in New South Wales.