Bayerngas Norge AS
BG Group
BP
CGG Veritas
Chevron Energy Technology co
ConocoPhilips
DEA Norge AS
Det Norske Oljeselskap AS
Eni Norge AS
ExxonMobil/Esso Exploration Inc.
GDF Suez E&P Norge
Lundin Norway AS
Noreco AS
Petrobras
PGS Geophysical AS
RockSource ASA
Schlumberger Canbridge
Spike Exploration AS
Spring Energy Norway AS
Statoil ASA
Total E&P Norway
Vng Norge AS
Wintershall Norge AS