| A Blunt Plumbing & Heating, Manchester, M43 7WW |
| Michael Poole, Manchester, M43 7TW |
| Mark Eadsforth, Manchester, M40 1NJ |
| Parsons Gas Services, , M35 0WP |
| Rated TradesMan, Manchester, M18 8UQ |
| Apex Insulation (Northwest) Ltd, Manchester, M40 2TP |
| Swift Heating Solutions Ltd, Wigan, GREATER |
| CDF Services Ltd, Manchester, M34 3PW |
| Aml domestic gas services, Manchester, M35 0AA |
| Blue-Flame Gas Services, , M18 8BA |
| A B S Gas Energy Services, Manchester, M34 5DW |
| Boilersafe, Manchester , M35 9EE |
| High Efficiency Heating UK Ltd, 62 Turner Lane, Ashton Under-Lyne, Lanca, OL6 8LP |
| P.S.W Gas Services, , SK16 4JF |
| S & M Plumbing & Heating, 3 Albert Street, Denton, Manchester, Lan, M34 6LB |
| JP Plumbing & Heating, Manchester, M40 7AE |
| Range Gas Services, , M12 5QF |
| M J Heating Ltd, Manchester, M34 3EF |
| Manchester's Handyman, , M12 5RJ |
| Gas Trust Engineers, Manchester, M40 9HY |
