OnQuest Inc. designs and engineers process and furnace technologies serving oil refining and petrochemical industries. The firm specializes in designing and building burner management systems. It provides engineering and air-pollution control services. OnQuest Inc. supplies and supervises construction of liquefied natural gas, hydrogen, ammonia and syngas plants. The firm is a wholly owned subsidiary of Primoris Services Corporation. In 2005, OnQuest Inc. acquired Calgary-based Born Heaters Canada ULC, now OnQuest Canada. OnQuest Canada is one of the global leaders in direct-fired process heater technologies and burner management systems.