Affiliate Companies




Sanderson is a well respected diamond drilling company located in Kalgoorlie, Western Australia. Sanderson is equipped with a modern fleet of six top head drive diamond rigs.

  • Combining highly skilled crews and modern equipment, Sanderson can provide a range of surface drilling services from geotechnical coring to deep hole directional core drilling throughout Australia. Sanderson prides itself in a stellar safety record and professional service.

  • CDU is an underground drilling contractor serving the Australian mining industry. CDU is equiped with underground drills that offer custom solutions for your project including self propelled underground core rigs and underground dual purpose rigs for reverse circualtion and coring capability.
  • The company was formed in 2003 and is managed and operated in conjunction with Sanderson Drilling.

The two companies offer clients Sanderson's expertise in surface core drilling and CDU's knowledge of underground core and reverse circulation drilling. Both companies are affiliated with Connors Drilling in North America. Combined, we offer a global footprint to support your drilling projects.