HRSB Sigma Envirotech Sdn. Bhd. is a joint venture company between HRSB Holdings Sdn. Bhd. and Sigma Water Engineering (M) Sdn. Bhd. We specialize in providing a holistic and one-stop engineering solution for your water and wastewater treatment needs.


To become a leading water and wastewater specialist providing innovative and sustainable environmental solutions globally.


To provide end-to-end solutions in treating water and wastewater to enable environmental sustainability by:
  • Provision of customized and innovative engineering solutions
  • Minimization of freshwater usage and wastewater generation (3Rs)
  • Application of creative and emerging technologies


Applications & Industries

HS Envirotech combines a variety of technologies to provide a optimum economical, yet robust solution for the treatment application. Industries and applications we have a large variety that we serve with our innovative water, wastewater and reuse-recycle treatment solutions.

Water Treatment

We specialize in providing compact and easy to expand systems. All systems are custom engineered, and guaranteed for the process selected. Based on the clients raw water avaiable and treated water required, HS Envirotech designs an appropriate treatment process.

Wastewater Treatment

HS Envirotech is a leading provider of innovative technologies for a range of industrial wastewater treatment applications. We pride ourselves as being a pioneer in modular designs that are economical, consume minimal foot print, and easy to operate.

Wastewater Recycle & Reuse

HS Envirotech offers a combination of technologies to suit wastewater recycle & reuse applications. We offer primary, secondary, tertiary & polishing membrane treatment technologies that are tailored to suit a apecific application.

Chemicals for Water and Wastewater Treatment

HS Envirotech offers a complete range of treatment chemicals for water & waste water treatment. All chemicals are available in stock for rapid delivery.

Operation & Maintenance

HS Envirotech can be your partner in operation & maintenance of water & wastewater treatment systems.

Manufacturing Strength

Our manufacturing capability ranges from fabrication, assembly and testing within our facilities.


No. 39, Jalan BP6/11, Bandar Bukit Puchong, 47120 Puchong, Selangor
+603-8068 7314 / 7324 / 7341
© 2022 HRSB Sigma Envirotech Sdn Bhd. All Rights Reserved.