Pocket Energy and Utilities

Oil and Gas Industries (exploration, production, retail)

• Petrotechnical Open Software Corporation (POSC) - information and business process standards for the industry (7 Jun 1999)
• UK Offshore Operators Association (UKOOA)(7 Jun 1999)
• American Petroleum Institute (7 Jun 1999)
• BP Amoco (5 Apr 1999)
• Royal Dutch Shell (11 May 1999)
• ExxonMobil (21 Jul 2000)
• British Gas is now two companies:
• BG plc - exploration, production, and facilities (7 Jun 1999)
• Centrica - sales, as British Gas or Scottish Gas (7 Jun 1999)

Other energy

• Northern Electric UK (18 Oct 1999)
• London Electricity UK (4 Apr 2000)
• Electric Power Research Institute USA (7 Jun 1999)

Water

• Thames Water (7 Jun 1999)