Korea National Oil Corporation (KNOC) is the national oil and gas company of South Korea and one of the most important industrial companies in the country. The company operates oil and gas fields in Vietnam, Libya, Peru, Indonesia, Nigeria, Yemen, Kazakhstan, Russia, Canada and South Korea. The company has oil reserves of around 600 million barrels (95,000,000 m3) and gas reserves of 10 billion m3. In 2009, the company purchased Harvest Operations, along with its subsidiary North Atlantic Refining and its refinery in Come By Chance, Newfoundland and Labrador.