A/S Norske Shell has been active in Norway since 1912.
Founded in 1971, DNO is Norway’s oldest oil company.
Edison Norge AS is controlled by Edison International Spa a subsidiary of Edison SPA.
Gassco is operator of the Norwegian natural gas transport system.
Neptune Energy is an independent oil and gas exploration and production company.
OKEA is a pure Norwegian development & production company located in Trondheim.
PGNiG Upstream Norway AS is an oil and gas company with the head office located in Sandnes, Norway.
Spirit Energy was founded in 2017 when Centrica’s oil and gas division was merged with Bayerngas Norge AS.
Wellesley Petroleum was founded in 2015 and focuses on exploration activity on the Norwegian shelf.
Wintershall Dea er et av de største operatørselskapene på norsk sokkel.