Plumber in Kelso, QLD. Sewage treatment solutions. Hydraulic design. Home automation. Utility upgrades. Based in Kelso, Combined Service Industries offers advanced plumbing, automation and utility services for residential and commercial projects. Our team provides tailored solutions in sewage treatment, hydraulic design, and water management, helping to modernise properties with seamless upgrades. From wastewater system consultations to integrating smart home or office automation, we offer a one-stop service to improve your lifestyle and property value. We also assist with utility upgrades and support new home builds with efficient, forward-thinking infrastructure. Contact us today to learn more!