Gas producers and wholesalers in Sata also provide transport and storage facilities. Sata is among top 10 the natural gas producers in the world. There are mainly two types of gas producers, natural gas producers and manufactured gas producers. Natural gas producers produce gas by exploration of natural gas deposits and artificial gas producers produce gas by burning fuel such as coal and oil. Gas wholesalers sell gas to public utilities, power and chemical plants along with different retailers. Some gas producers are themselves wholesalers and some producers send produced gas to other wholesalers for distribution. Gas producers and wholesalers also sale gas by products.