HSA Asia Sdn. Bhd is an instrumentation company established in 2009 in Malaysia that provides products and services related to environmental sustainability including water quality monitoring, sewage treatment, renewable energy, and building automation. The company aims to support environmental sustainability through high quality products and services. It offers monitoring equipment, sensors, analyzers, and flowmeters for applications in sewage treatment, industrial wastewater, portable water, petrochemical plants, renewable energy projects, hydrometry, and HVAC systems. HSA provides on-site services including troubleshooting, training, and demonstrations to customers.