| FJL Plumbing & Heating, Manchester, M27 6BR |
| SafeGasUK Ltd, 277 Chorley Road, Swinton, Manchester, L, M27 6AZ |
| Safe Gas UK Ltd, Manchester, M27 0WE |
| JTS Heating Solutions LTD, Manchester, M27 5SX |
| RW Gas Services, Swinton Manchester, M27 4UR |
| Appliance World (Northwest) Ltd, 543-547 Bolton Road, Pendlebury, Manches, M27 8QT |
| PPE Plumbing and Heating ltd, Manchester, M27 0AW |
| Boiler Tec N W Ltd, Manchester, M27 8JG |
| Mr Gas Boiler Ltd, Salford Manchester, M6 7PB |
| Manchester Gas & Heating, Salford, M6 8WW |
| Helsby Gas Services, Salford, M6 8PQ |
| Kyle Jones, Worsley, Manchester, M28 2QJ |
| D G S, Manchester, M45 7GJ |
| Goodman's Gas & Bathroom Solutions, Salford, M7 3BL |
| Staysafe Heating & Electrical Ltd, Salford, M5 5LN |
| Stanley Heating, , M28 7EE |
| TJS Heating, Prestwich, Mancheste, M25 9WG |
| Ian Cudahy Gas & Plumbing, Salford , M6 5QR |
| Tom Prince Plumbing & Heating, Bolton, BL48JF |
| D S Plumbing and Heating, Manchester, M25 0AZ |
