| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACCORD ENERGY (TRADING) LIMITED | 03226387 | 30/01/1997 | 01/10/1997 | Dissolved |
| BRITISH GAS ENERGY LIMITED | 03159317 | 30/01/1997 | 01/10/1997 | Dissolved |
| BRITISH GAS ENERGY TRADING LIMITED | 03078709 | 30/01/1997 | 01/10/1997 | Dissolved |
| BRITISH GAS SERVICES LIMITED | 03141243 | 01/03/1997 | 01/10/1997 | Silver |
| British Gas Energy Centres Ltd | 03141032 | 30/01/1997 | 01/10/1997 | Dissolved |
| CENTRAL RECOVERIES LIMITED | 03157224 | 30/01/1997 | 01/10/1997 | Dissolved |
| CENTRICA 6 LIMITED | 03019333 | 30/01/1997 | 01/10/1997 | Dissolved |
| CENTRICA ENERGY LIMITED | 02877398 | 30/01/1997 | 01/10/1997 | Silver |
| CENTRICA NO. 12 LIMITED | 02629371 | 30/01/1997 | 01/10/1997 | Dissolved |
| CENTRICA TRUSTEES LIMITED | 03254824 | 01/03/1997 | 01/10/1997 | Dissolved |
| CHELTENHAM RENOVATORS LIMITED | 01760407 | 13/01/1997 | 01/10/1997 | Dissolved |
| Centrica 20 Ltd | 03226383 | 30/01/1997 | 01/10/1997 | Dissolved |
| Centrica 28 Ltd | 03226392 | 30/01/1997 | 01/10/1997 | Dissolved |
| Domestic Energy Centres Ltd | 02997364 | 30/01/1997 | 01/10/1997 | Dissolved |
| ENER.G EFFICIENCY LIMITED | 02700990 | 01/03/1997 | 01/10/1997 | Dissolved |
| EXCELSIA LIMITED | 03230845 | 30/01/1997 | 01/10/1997 | Dissolved |
| East Midlands Gas Ltd | 02662082 | 30/01/1997 | 01/10/1997 | Dissolved |
| Energy Centres Ltd | 02978239 | 30/01/1997 | 01/10/1997 | Dissolved |
| GF ONE LIMITED | 03226377 | 30/01/1997 | 01/10/1997 | Insolvent |
| GF TWO LIMITED | 03226394 | 30/01/1997 | 01/10/1997 | Insolvent |
| Gas Energy Centres Ltd | 02997365 | 30/01/1997 | 01/10/1997 | Dissolved |
| Gas Scotland Ltd | 02674380 | 25/04/1997 | 01/10/1997 | Dissolved |
| Gb Gas Ltd | 03006564 | 30/01/1997 | 01/10/1997 | Dissolved |
| HEATING ENERGY CENTRES LIMITED | 02997366 | 30/01/1997 | 01/10/1997 | Dissolved |
| Home Energy Centres Ltd | 02997367 | 30/01/1997 | 01/10/1997 | Dissolved |
| Natural Gas Scotland Ltd | 02674385 | 25/04/1997 | 01/10/1997 | Dissolved |
| North Thames Gas Ltd | 02666990 | 30/01/1997 | 01/10/1997 | Dissolved |
| North Western Gas Ltd | 02666993 | 30/01/1997 | 01/10/1997 | Dissolved |
| REGEN (UK) LIMITED | 03107458 | 30/01/1997 | 01/10/1997 | Dissolved |
| SPIRIT ENERGY PRODUCTION UK LIMITED | 03115179 | 30/01/1997 | 01/10/1997 | Gold |
| Scotland Gas Ltd | 02674387 | 25/04/1997 | 01/10/1997 | Dissolved |
| South Eastern Gas Ltd | 02666989 | 30/01/1997 | 01/10/1997 | Dissolved |
| South West Gas Ltd | 02666996 | 25/04/1997 | 01/10/1997 | Dissolved |
| The Metering Co Ltd | 03076193 | 30/01/1997 | 01/10/1997 | Dissolved |
| United Kingdom Gas Appliances Advisory Services Ltd | 02603350 | 30/01/1997 | 01/10/1997 | Dissolved |
| Wales Gas Ltd | 02661519 | 25/04/1997 | 01/10/1997 | Dissolved |