List: (1st) Walmart, (2nd) Sinopec, (3rd) Shell, (4th) China National Petroleum, (5th) Exxon Mobil

Sinopec is the world's second for powerhouse companies in the world. Sinopec is a Oil and Gas company that manufactures the highest quality premium lubricant oils and grease globally. The Sinopec oil company, moved up a rank to replace Royal Dutch Shell as the world’s second largest company in 2015.

Sinopec ranks behind Wal-Mart Stores (1st) and ahead of Royal Dutch Shell (3rd), China National Petroleum (4th) and Exxon Mobil (5th). List of largest companies in the world as of 2015