The petroleum industry, also known as the Oil& Gas industry, includes the global processes of exploration, extraction, refining, transporting, and marketing of petroleum products. The largest volume products of the industry are fuel oil and gasoline (petrol). The oil and gas business needs prime movers operating of Steam various hazardous area operations. Steam Turbines are used widely to run Pumps, Fans, Blowers and other similar equipment. The Turbine used for Oil & Gas are of a special grade built to approved standards such as API 611 and API 612. NS Terbo Pvt Ltd has supplied several API Grade Turbines.