NK Rosneftâ PAO (Oil Company Rosneft PJSC) is a Russia-based company engaged in exploration, development, production and sale of crude oil and gas, as well as refining, transportation and sale of petroleum products. It has three business segments. The exploration and production segment is engaged in field exploration and development, and production of crude oil and natural gas. The refining, marketing and distribution segment is engaged in processing crude oil and other hydrocarbons into petroleum products, as well as the purchase, sale and transportation of oil and oil products. It has numerous subsidiaries and affiliated companies. The Company operates domestically and abroad.