List of British natural gas companies

This is a list of British natural gas companies.

Exploration and production:
 * Cuadrilla Resources
 * IGas Energy

Utilities:
 * British Gas (also uses Scottish Gas and Nwy Prydain brands) (parent company Centrica)
 * EDF Energy (parent of London Energy, Seeboard, and SWEB Energy)
 * Npower (parent company RWE)
 * Powergen Retail (parent Company E.ON)
 * SSE (parent of Scottish Hydro, Southern Electric and Swalec)
 * ScottishPower
 * Total Gas & Power
 * Niccolo
 * Bulb
 * Ovo Energy
 * British Natural Gas (known as HM British Natural Gas Ltd)

Other companies:
 * National Grid, previously known as Transco