News Big contract for Walz 22/03/2022 Facebook Walz Construction has signed a significant contract with Rio Tinto Yarwun, providing employment for more than 45 full-time employees. By Walz Construction Last week Walz signed a significant contract with its existing client, Rio Tinto Yarwun. This contract is for Stage 2 […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password