Oil and Natural Gas Corporation Limited specializes in the exploration and production of crude oil and gas. The Company has joint ventures in oil fields in Vietnam, Norway, Egypt, Tunisia, Iran and Australia. The Group's other activities include deep sea explorations on the east and west coasts of India, and the exploration of coal bed methane.
Nuvoco Vistas (NV) aims to raise around US$673m in its India IPO. It is promoted by the Nirma Group and has recently acquired Emami’s cement business.