Nature of Business	Company/Organisation/Government Department
Associations	Association of Electricity Producers
	British Biogen
	British Photovoltaic Association
	British Plastics Federation
	British Wind Energy
	Combined Heat and Power Association
	Energy Institute
	Freight Transport Association
	UK Offshore Operators Association
	UK Petroleum Industry Association
Government Department	Department for Environment, Food and Rural Affairs
	Department for Trade and Industry
	Department for Transport
International Organisations	International Energy Agency
	OPEC
Media	BBC News Article: Ofgem exposes gas supply problems
	BBC News Video: Ofgem exposes gas supply problems
	CNBC News Video: The Price of Oil
	John Hall - CNBC
	John Hall - Working Lunch
	John Hall Associates on Bloomberg
	John Hall at GASTECH 2006
	OPEC: Joint Press Conference
Parliamentary	Parliamentary Group for Energy Studies
	Parliamentary Renewable & Sustainable Energy Group
Publications	With Immediate Effect... by Philip Algar
Regulatory Bodies	Office for the Regulation of Electricity and Gas
	Office of Gas and Electricity Markets
	Office of Water Services
System Provider	Elexon
Telecoms Company	British Telecommunications
Transmission System Operator	National Grid Group plc