| 1 | | Grafton House, 15-17 Russell Rd | Ipswich |  GB | | +44 2074480900 | Deian Ashworth | |
| 2 | | Cygnus House Sunrise Parkway, Linford Wood | Milton Keynes | GB | | +44 1908696000 | Louise Wheatman | |
| 3 | | Mill Hill Lane | Tavistock | GB | | +44 8000963080 | Ian Cooper | |
| 4 | | Bearwood Rd, Sindlesham | Wokingham | GB | | +44 1189363000 | Graeme Cooper | |
| 5 | | No 1, 26 Whitehall Rd | Leeds | GB | | +44 3336660280 | Gary Proctor | |
| 6 | | 4 Penner Rd | Havant | GB | | +44 3450719710 | Tracy Carter | |
| 7 | | IKONIX House, Leeds Rd, Langley | Maidstone | GB | | +44 1622843421 | Chris Mcglashan | |
| 8 | | D-ENERGi Business Complex Madison Place, Central Park, Northampton Rd | Manchester | GB | | +44 8007817626 | Lee Doran | |
| 9 | | N/A | Braunton | GB | | +44 1256305900 | Matthew Tunstall | |
| 10 | | 4, The Maltings, Locks Hill | Rochford | GB | | +44 3302211000 | Clare Deacon | |
| 11 | | 25 Canada Square | London | GB | | +44 2073208600 | Sharon O'Rourke | |
| 12 | | EDF Energy Plc, Barnett Way | Barnwood, Limited Barnett Way | GB | | +44 8000567777 | Jin Xu | |
| 13 | | N/A | Coleraine | GB | | +44 8707107560 | Angie Palmer | |
| 14 | | 7 Folgate Rd | North Walsham | GB | | +44 8000566650 | Mike Feakes | |
| 15 | | 61 Spa Rd | Melksham | GB | | +44 8438166449 | Adam Perrin | |
| 16 | | Birchwood Park, 304 Bridgewater Pl | Risley | GB | | +44 8001954141 | Mark Hersey | |
| 17 | | N/A | Glasgow | GB | | +44 1415682000 | Yusuf Patel | |
| 18 | | unit 5, oyster bay | Whitstable | GB | | +44 1212701917 | Saleem Yaqoob | |
| 19 | | 10 Max Born Cres | Edinburgh | GB | | +44 1316517959 | Chris Retzler | |
| 20 | | Beacon House, Long Acre | Birmingham | GB | | +44 8000963080 | Fiona Earnshaw | |