ADNOC is one of the world's leading energy producers and a primary catalyst for Abu Dhabi’s growth and diversification. ADNOC has 16 subsidiary companies in the upstream, midstream, and downstream stages of production. ADNOC develops both onshore and offshore gas fields. The company operates two oil refineries, Ruwais and Umm Al Nar. ADNOC exports natural gas in the form of liquefied natural gas (LNG) in addition to producing supplies for local electricity and water utilities, to other domestic industries including petrochemical plants, and for re-injection into reservoirs.