The petroleum industry around Stavanger is an important part of economy of Jæren, with the headquarters of the country's largest oil company Statoil being located on Jæren, as well regional offices of international companies like ExxonMobil, Eni, Shell, ConocoPhilips, BP, Schlumberger, Halliburton, Baker Hughes and several others.
Jæren Arena was a proposed multi-use stadium in Bryne, Norway, that was expected to begin construction sometime in 2008.
The Norwegian University College for Agriculture and Rural Development (Høgskulen for landbruk og bygdeutvikling (HLB)) is a small private university college in Klepp, Jæren, south of Stavanger, Norway.
Four were being used on the Jæren Commuter Rail, while one was being used on the line between Moss and Spikkestad