NB this information pre-dates the UK May 2015 election.
Hanover Communications | Crosby Textor | Fishburn Hedges | Burson-Marsteller | Hill and Knowlton | Edelman | Westbourne Communications
David Cameron | Danny Alexander | Michael Fallon | Charles Hendry | Liz Truss | Owen Paterson | Vince Cable | Ed Davey | Amber Rudd
Conservative Party | Labour Party
All Party Parliamentary Group on Unconventional Oil and Gas