Harutunian Engineering Incorporated (HEI) is an Engineering and Environmental Consulting firm headquartered in Austin, Texas and incorporated in 1988. We have designed Electrical, Instrumentation, Automation / SCADA, Controls, Mechanical, and Plumbing systems for Water/Wastewater, Power Generation, Chemical, Petroleum, Manufacturing, Office, Academic, Civic Center, Vehicle Maintenance, and other facilities. HEI's experience offers a wide range of systems and facilities design that ranges from small scale facilities to large scale municipal and industrial plants.