Electricity and Gas
CORGI Gas, ELEXON, Energywatch, Health and Safety Executive - Downstream gas, Nuclear Safety Directorate, Office for the Regulation of Electricity and Gas, Office of Gas and Electricity Markets
Railways
BRB [Residuary] Ltd, Department of Transport - Railways Directorate, Heath and Safety Executive - Rail safety, Office of Rail Regulation, Office of the International Rail Regulator, Office of the PPP Arbiter, Rail Passengers Council and Committees, Strategic Rail Authority, Victimised Whistleblowers - A Trade Union Perspect
Water and sewerage
Drinking Water Inspectorate, Environment Agency, Office of Water Services, Water Industry Commissioner for Scotland, Water Reform Northern Ireland, WaterVoice
Office of Communications (Ofcom)
Independent regulator and competition authority for the UK communications industries, with responsibilities across television, radio, telecommunications and wireless communications services. Includes sections on codes and guidelines, consultations, consumer guides, research and contact information.