Car-Rent.com compares the prices of well-known car rental companies in Norway, including the following location: Oslo Airport
Oslo Airport is the largest airport in Norway and the most important one for the capital city Oslo. The airport is often referred to as, Oslo Airport Gardermoen or simply Gardermoen, after the town where it is situated. During the winter months the airport often has problems with bad weather (fog and black ice).
Oslo Airport is designated by the aviation industry with the IATA code OSL and the ICAO code is ENGM. With regards to the Wikipedia article over Oslo Airport, the airport has two take-off and landing runways.
At the time of writing this, there are five car rental companies who have offices situated at Oslo Airport: Avis, Budget, Europcar, Hertz and Sixt.
The airport's official website can be found via the following address link: Oslo Airport