Hetek, previously Heath Consultants Ltd., is one of Canada's premier suppliers of risk management instrumentation and personal safety products to Canada's natural gas, petrochemical, construction, and industrial sectors. Hetek is also the largest provider of natural gas leak survey contracting services to Canada's natural gas utilities and, as a result of a merger with its sister company, SAI Engineering Sales Ltd., a leading supplier of water efficiency and water treatment products for the small industrial and municipal markets. more... See more text