Preem AB is wholly-owned by Preem Holdings AB.
Preem was formed in May 1996 and quickly became a well-known brand. Today, Preem is Sweden’s largest fuel company. In May 1996, the industrial company OK Petroleum changed names to Preem. Preem quickly became a well-known brand through a merger of all Texaco stations in Sweden and all OK Petroleum stations in southern and western Sweden. Read more about Preem AB here.