| 12 Voltz Ltd. | Cumbria |
| www.12voltz.com | |
| Ampower Services | Warwickshire |
| www.ampower-services.co.uk | |
| Driftgate 2000 Ltd. | Cambridgeshire |
| www.dg2k.co.uk | |
| G.S.Controls | West Yorkshire |
| www.gscontrols.com | |
| Index Marine Equipment | Dorset |
| www.indexmarine.co.uk | |
| J G Technologies Ltd. | Dorset |
| www.marineelectronics.info | |
| Onboard Energy | Warwickshire |
| www.onboardenergy.com | |
| Los Angeles & Huddersfield Power Systems | Cheshire |
| www.powerinverters.co.uk | |
| Matrix Controls | Cheshire |
| www.matrixcontrols.co.uk | |
| Merlin Equipment Ltd. | Dorset |
| www.the-merlin-group.com | |
| Power Store | Oxfordshire |
| www.power-store.com | |
| Stirling Power Products Ltd | Worcestershire |
| www.sterling-power.com | |