| Aqua-Gas (Hull) Ltd, , HU10 6PS |
| Blue Build (Plumbing & Heating) Ltd, 53 Saffrondale, Anlaby, Hull, North Humb, HU10 6QA |
| Quion Builder & Property Maintenance, Cottingham, HU165LP |
| Taylored, Hull, HU4 6BJ |
| Arc Gas & Plumbing Solutions, Cottingham, HU16 4DT |
| Kingtree Gas & Plumbing Company, Cottingham, HU16 4RH |
| CSD Plumbing & Heating Ltd, Hull, HU13 0AT |
| Envolve Limited, Hull, HU4 6SB |
| Smart Gas Ltd, Hessle, Hull, HU13 0DP |
| GLS Plumbing & Heating Ltd, Hull, HU5 4QX |
| Northcarrplumbing, Hull, HU54DU |
| Aqua Shield Plumbing, 1 Trinity Street, Hull, East Yorkshire, HU3 1JR |
| Safe gas services, Hull, HU3 4AD |
| Sutton Plumbing & Gas Heating, Hull, HU1 2BE |
| Heating And Plumbing Services, Hull, HU7 4AH |
| Mike Tye Gas & Plumbing, Hull, HU7 6DH |
| J Broadhead Plumbing, Barton-upon-Humber, DN18 |
| Phillip Hawksworth Gas Plumbing & Heating, Hull, HU8 7TJ |
| 24hr Electrical Services Ltd, Hull, HU7 4HY |
| Advanced Gas Services (East Yorkshire) Limited, North humberside, HU9 1RD |
