About the Company O’Brien Plumbing Wyong, is a growing plumbing contracting company, that is part of the O’Brien / Laser network. We have a very strong client base with a proven reputation for excellence in all that we do. We are a proud local family run business made up of quality-focused trade service professionals in the plumbing industry. In addition to the wealth of experience and knowledge within our teams, we are a registered member of the Master Plumbers association. Our key works vary …