Wallis Drilling Pty Ltd Home ›› Local Listings ›› WA ›› Midvale ›› Wallis Drilling Pty Ltd WA Mining Midvale, WA 6056 Nigel Cottrill(08) 9374 1111Fax: (08) 9374 1166https://www.wallisdrilling.com.au Wallis Drilling Pty Ltd. is a Western Australia-based company offering drilling services with over 40 rigs capable of various capacities.