Drainage
* Sanitary drainage systems
* Sanitary disposal systems such as septic tanks, French drains and conservancy tanks
* Laboratory, kitchen and industrial drainage systems
* Rainwater drainage systems including Pluvia systems
* Subsoil drainage systems

Water supply
* Hot and cold water supply systems
* Water treatment systems
* Special supply systems for laboratories, kitchens and industries
* Irrigation systems

Specialist hot water systems
* Constant temperature systems to bring down peak electricity consumption
* Maximum demand control systems for effective power utilisation
* Heat pump systems for overall power saving
* Heat-exchanger systems for use in conjunction with steam and chiller systems
* Alternative heating systems including solar heating

Pump systems
* Domestic systems
* Sewage pump stations
* Fire pump systems

Specialised systems
* Steam generation and distribution systems
* Gas distribution systems
* Compressed air generation and distribution systems
* Heating, ventilation and air conditioning systems