The Petroleum, Oil and Gas Corporation of South Africa (PetroSA) is South Africa's national oil company. It owns, operates and manages South Africa's petroleum industry commercial assets. The company pursues investment opportunities both internationally and within South Africa, with a special focus on Africa. A pioneer in gas-to-liquids (GTL) technology, the company owns and operates one of the world's largest GTL refineries. GTL technology is recognized throughout the world for producing the "cleanest" fuels through an environmentally friendly process.