ABB Ltd (Switzerland)

Alcatel Submarine Networks (ASN) (UK)

AT&T (USA)

BG Tunisia (British Gas UK)

Bohlen & Doyen (Germany)

BP - British Petroleum (UK)

Bremenports - Harbour Authorities (Germany)

BT - British Telecom (UK)

Burlington Resources, Inc. (now part of ConocoPhillips)

CalEnergy Generation (USA)

ConocoPhillips (USA)

Deutsche Telekom (Germany)

DONG Energy (Denmark)

EirGrid plc (Ireland)

Elering OÜ (Estonia)

Elsam AS (now part of DONG Energy (Denmark))

EMC - European Marine Contractors (UK)

EMEPC (Portugal)

Energinet.dk (Denmark)

EWE (Germany)

Exxon Mobil Produktion Deutschland GmbH (Germany)

Faroese Telecom (Faroe Islands)

Flute Ltd. - Interoute (UK)

France Telecom (France)

FTA - Finnish Tranport Agency (Finland)

Fujitsu (Japan)

GCS - General Commission for Survey (Kingdom of Saudi Arabia)

Geotek Ltd (UK)

GEUS Geological Survey of Denmark and Greenland (Denmark)

Kirchner Engineering Consultants (Germany)

Lahmeyer International (Germany)

MAN Ferrostaal (Germany)

MCA - Maritime and Coastguard Agency (UK)

MCI (USA)

Nexans Norway AS

NHS - Norwegian Hydrographic Service (Norway)

NKT Cables GmbH (Germany)

Nord Stream AG (Switzerland)

NorGer KS (Norway/Germany)

NSW - Norddeutsche Seekabelwerke GmbH (Germany)

PeterGaz (Russia)

Siemens (Germany)

SMA - Swedish Maritime Administration (Sweden)

Scottish Power (UK)

SMIT Internationale N.V. (The Netherlands)

Sprint (USA)

Statoil (Norway)

Statnett Power (Norway)

Tideway BV (The Netherlands)

Transco / National Grid (UK)

Transpower (Germany)

Tyco Telecommunications (USA)

WSA Cuxhaven & Hamburg (Germany)