| RSH Plumbing-Heating, Morley , LS278FB |
| Gascheck Services, , LS27 8LW |
| Oryx Heating Services, Leeds, LS27 9JN |
| Kelgas Ltd, Leeds, LS27 0HL |
| Churwell Plumbing and Heating, 6 Harwill Croft, Churwell, Morley, Leeds, LS27 7PG |
| Home Utility Group Limited, Unit 5 Asquith Avenue Business Park, As, LS27 7RZ |
| Smallwood PHR Ltd , , WF3 1QN |
| KB Land Heating & Sons, Wakefield, WF3 1UA |
| Woodkirk Plumbing Services, Dewsbury, WF12 7JA |
| ALT Heating Solutions, , LS10 3SY |
| MW Plumbing & Heating, Leeds, LS12 6LJ |
| HMC Contractors ltd, Batley West Yorkshire , WF17 8LL |
| B&G GAS SERVICES, , LS10 4TR |
| SRL Property Maintenance, Leeds, LS12 5RR |
| A Mentlak T/A Kaltnem Construction, Leeds, LS12 4TQ |
| K Gas, https://www.kgas.co.uk/, BD11 1LN |
| Clifford Heating Services Ltd, 144 Moor Knoll Lane, East Ardsley, Leeds, WF3 2AY |
| Instaa Gas Ltd, Leeds, LS11 6JU |
| Day Gas Services, Leeds, LS12 5RU |
| R Stead Services, Bradford, BD11 1AW |
