Aberdeen Formation Evaluation Society UK, Aboriginal Pipeline Group, AFG ( Association Française du Gaz ), Arab Petroleum Research Center, Association of Petroleum Engineers and Constructor, Australian Institute of Petroleum, Australian Petroleum Production and Exploration As, Australian Pipeline Industry Association (APIA), Canadian Association of Oilwell Drilling Contracto, Canadian Association of Petroleum Landmen

Gastech, Global Pacific and Partners--African Oil and Gas, LNG: Economics and Technology

Land and Leasing, Management and Financial, Petrophysics, Processing and Pipeline, Reservoir Engineering, Acock Engineering & Associates, Inc., Advanced Resources International, Inc., Associated Resources, Inc., Attric Group Ltd., BCT Consultants, Brighter Graphics, Ltd, C.I. Services LPG Consultants, Channoil Consulting Ltd., Dango Training Services Ltd., e-p-consult ltd

101 Offshore Oil Jobs, A H Justice Search Consultants, Air Group, Air-Rail-Oil Recruitment Community, Apex Support Services, Bayside Personnel International, Brunel Energy, Brunel Energy Middle East, CKB Energy, Inc., Cogan Oil and Gas Services

ABC Scientific Consulting Company, Colt Services, Enerkem, Fuelstretcher Ltd., Power Energy Fuels, Inc.

Adventures in Energy, Albian Sands Energy Inc., AmericanOilman, Australian Petroleum Market Monitor, Balkan Energy Review, Centre for Petroleum Information, Chronology of the Major Oil Companies in the Persi, Competitive Analysis Technologies, Connexxions, Cross Canada Land Services Ltd.

Cetelex Systems Inc., DPTS Ltd., eSimulation, Inc., Fuel Tooler, GeoQuest, ISAT Users Group, Kadme, Oil Information Technology Journal, Petroleum Open Standards Consortium, PrismTech

Equipment, Alexander's Oil and Gas Connections, China Oil Web, e-lpg.com - An Online LPG Marketplace, Emk3 LLC, Energy Connection, Energynet.com, Hydrocarbon Online, indianoiltenders.com, Indigopool.com, LNG One World

Editions Technip - Technical books, Gulf Publishing Company, Hydrocarbon Processing, O and A Marketing News, Oil & Gas Product News, Oil and Gas Industry News - Topix.net, Oildom Publishing of Texas, Petroleum News, Pipeline Publications Australia, Russian Petroleum Investor

2H Offshore Engineering, Advanced Production Loading, Advanced Subsea, Advanced Well technology, Aker Kvaerner, Alliance Marine Services, L.P., Alliance Wood Group Engineering LP, Atlantia Offshore Limited, b&a industries, Balmoral Group Ltd

Exploration and Production, Pipelines, Processing, Refining, Able Energy, Inc., Alberta Energy Company Ltd., Amerada Hess Corporation, Apache Energy, BG Group, Blue Dolphin Energy Company, BP Amoco Ltd., CEF, ConocoPhillips, Coral Energy

A.I.D.Fuel Card Services, Add Oil, Aral fuels and lubricants, Ashland, Inc., Barton Petroleum, BEB Erdgas und Erdöl GmbH, Cardwell Distributing Inc, Connect Oil Limited, Crown Central Petroleum Corporation, Crown Oil UK

Data and Software, Field Services, Test and Inspection, Axens, Baker Hughes Inc., Bateman BV Engineering, Blair Nelson Enterprises Ltd, Cal Dive International, Inc., Chemical Tracers Inc., Diamond Energy Services Inc., DJI & Associates, Inc., DTN Dimond Control Systems, Inc., Ess-Ell Tool Co. Ltd.

Downhole, Fuel Handling, Instrumentation, Pipeline Related, Storage, Supplies, Tubulars, Aa-1 USA Company, Accurate Detection Pty Ltd, Action Air and Equipment, Advantage Products Inc., Age Developments Pty. Ltd., Alba International Procurement Ltd., Alert Control Technologies, Algas-SDI, American Polymer Products Group, Anchor Supply Co.