| Company name | Company reg number | SME/VCS | VCS reg number | Postcode |
|---|---|---|---|---|
| E.ON Energy Solutions Limited | 3407430 | NG15 0DR | ||
| Everwarm Ltd. | 0390210SC | EH48 2EE | ||
| Novus Property Solutions Limited | 2403551 | ST1 5SH | ||
| Sustainable Building Services (UK) Ltd | 1382149 | SME | WN8 9TW | |
| Yorkshire Energy Services CIC T/A YES Energy Solutions | 03995784 | SME | HX4 9BH |