Our Services
Trusted across Illawarra, Shoalhaven, and Sydney since 1966, R.E. McMahon provides the equipment, qualifications, and experience to handle everything from routine maintenance to complex industrial projects.
Established 1966
Licensed Industrial Plumbers
RPZ & TMV Certified
Confined Space & Working at Heights Certified
Projects from $100 to $5M+
Maintenance, repairs, hot water, gas fitting, drainage, and site services for commercial and industrial premises.
Water treatment plants, sewage treatment, chemical processing, mines and ports, heavy industry, dust suppression. We handle the work others can't.
Certified testing, annual lodgement, repairs, and installation. Once you're on our database, we contact you automatically each year.
Specialist fibreglass and plastic fabrication — tanks, pipes, structures. We carry specialist equipment not available elsewhere in the region.
Stainless steel, mild steel, PVC, PE, PVDF, polypropylene, FRP — fabricated in our Unanderra workshop and installed on site.
Industrial fire, deluge, dust suppression, gas suppression and VESDA systems across mining, heavy industry, aged care, and commercial.
Trusted by Industry Leaders Across NSW
R.E McMahon has been testing our RPZ devices for many years now and have been extremly reliable. Any time I call for any other plumbing issues with our warehouse, they are on the ball and attend to the issue right away! Couldn't recomend more highly!..
Mitchell Lipscombe
We have used the services of McMahon's regularly over the past year. All different fibreglass requirements have been met in a timely and efficient manner.
Ivan Edgar
R.E. McMahon Industrial Plumbing did a great job for us. Professional, on time, and very knowledgeable with industrial work. They fixed our issue quickly and cleanly. Excellent service — highly recommend!
Blake Greenfield
Had the team at my house replacing my burst sewer. Job ended up being a lot more complicated then first expected, but Mcmahon’s took me through the whole process and gave me quite a few options. We ended up replacing my whole...
Zahlia Quigley
We had an emergency at a commercial site with a burst water main. Called the office & we had the issue made safe right away. They provided us a quote for full repair, I rang around and pricing was very competitive. Once accepted...
J&J Rendering Pty Ltd
