National Heaters Industries (NHI) , an ISO 9001: 2000 certified company is one of the most prominent companies of the Omar Zawawi Establishment (OMZEST) , manufactures full range of storage type electric water heaters. Since inception in 1983, the company has completely grown to become the undisputed market leader in the industry in the Gulf. The company is successfully entering new export markets. An uncompromising approach to quality control and continuous upgrading of technology through research and development has been the key to this success. A modern manufacturing plant, backed by professionals and skilled technicians, extensive distribution network and prompt service, ensures quality, durability and easy availability-at an affordable price. NHI has presented the prestigious His Majesty Cup in 2004 and His Majesty Certificate of Appreciation five times in 2001, 2002, 2003, 2005 and 2006. All Hotex water heaters are CE marked and conform to the standards and specifications of International Electrotechnical Commission (IEC) .