| In Car Techie | 2 WEBSTER ROAD | AYLESBURY |
| Transit Custom Campers | 20 Ball Moor | Buckingham |
| A R O Exhausts | unit 3a, Hill Cottage Farm | Buckinghamshire |
| Lava Studios | Unit 4a Upper Barn Farm | Buckinghamshire |
| Runway 42 | Steller Technical Centre, Barton Rd | Buckinghamshire |
| Chess Designs | UNIT H, 45 ASHERIDGE ROAD | CHESHAM |
| Merlin Performance Tuning | 280 BELLINGDON ROAD | CHESHAM |
| Hall R S | 8 BLACKWELL ROAD | HIGH WYCOMBE |
| All Seasons Leisure | Unit 7, Wycombe Logistics Centre, Lincoln Road, Cressex Road | High Wycombe |
| Unique Tuning | Unit 15, 16 Dashwood Ave | High Wycombe |
| Wolfy Exhausts | Unit 15-16, Dashwood Works, industrial center, Dashwood Ave | High Wycombe |
| Sync Vehicle Systems | Unit 8 W Town Farm | Maidenhead |
| Diane Merner Upholstery & Interior Services | Unit 13 Bacon House Farm, Warren Road | Milton Keynes |
| JTH Performance | Unit 4 Woodway | Princes Risborough |
| Exclusive Customs | UNIT F2, DESERONTO ESTATE, ST. MARYS ROAD | SLOUGH |
| Onyx Performance - Car Servicing & Custom Dyno Remapping - Alloy Wheel Repair | Unit F2 Deseronto Trading Estate | Slough |
| YapFab | Parsonage lane | Slough |
| M Trim Ltd | 9 COWLEY MILL ROAD | UXBRIDGE |