ABALKHAIL Consulting Engineers ABB Lummus Global B.V. ABB Lummus Heat Transfer Aker Kvaerner AMEC Oil & Gas (Aberdeen) ANADARKO Petroleum Corporation ARAMCO Overseas Company B.V. ARAMCO Overseas Company Inc. ATLAS INEXCO B.V. Axsia Group

BASF - Fina BHP BIE International B.V. Bluewater Energy Services B.V. Bluewater Engineering B.V. Bluewater Offshore Production Systems Ltd. BLUEWATER Terminals N.V. BP Chemicals Malaysia BP Petrochemicals British Gas

CDS Engineering B.V. CHIYODA Corporation Coflexip Stena Kenny J.V. COMALCO Aluminium Ltd. ConocoPhillips (U.K.) Ltd. Costain Oil & Gas Process Ltd.

Dominion Exploration & Production Inc.

ELF Petroland B.V. Enppi ETPM Services S.A. Exxon Neftegas Ltd. ExxonMobil

ICAL Ltd ICIM S.p.A IPS Int. Procurement & Service Corp. SA

Jacobs Nederland B.V. JGC Corporation Europe B.V. JGC Paris Office John Holland Construction & Engineering Pty Ltd

KALA Ltd. Kerr-McGee Oil & Gas Corp.

LLOG Exploration Company LUMMUS Heat Transfer B.V.

MAERSK OLIE og GAS as MARINER Energy Inc. MERCK SHARP & DOHME Ltd. Mustang Engineering Inc.

N.V. Nederlandse Gasunie NAM Naphtachimie NOOTER / ERIKSEN S.r.l. NOVA Corporation of Alberta Nuovo Pignone

P.T. PETROSEA PARENCO PDVSA PDVSA Nederland B.V. PDVSA Services, B.V. PFD (UK) Ltd.

Saudi Aramco Saudi Diesel Marketing SEPCO Shell Exploration & Production Company Shell Chemical LP Shell Couronnaise de Raffinage SAS Shell Nederland Chemie Shell Nigeria E and P Co LTD SHELL Pipeline Company LP Western Region Shell Refining Co. (F.O.M.) Bhd Shell UK Exploration & Production SIEP Shell International Exploration & Production, Inc. SONATRACH STAR Petroleum Refining Co. STAR Petroleum Refining Company STORK Industry Specialists B.V. Swain & Associates Inc.

TALISMAN Energy (UK) Ltd. Tecnicas Reunidas S.A. Ingenieros y Constructores Thomassen International B.V. TOTAL Transfield Worley Woodside Alliance

Umm Al- Jawaby Oil Service Co. Ltd.

VETCO GRAY Controls Ltd.

Wintershall AG WISco Inc. WOODSIDE Offshore Petroleum Pty Ltd