| Company Name | Address | Tel |
| IDDON P.S.V. PARTS LTD | Lancashire | 01254 676641 |
| IMAGE FIRST CORPORATE CLOTHING | West Yorkshire | 0113 243 3855 |
| IMAGE PROMOTIONS (BRITANNIA ROLL MFG CO LTD) | East Sussex | 01273 726325 |
| IMAGE TEAM | Hampshire | 023 8023 5606 |
| IMPACT WEST MIDLANDS | West Midlands | 0121 326 0978 |
| IMPERIAL ENGINEERING | Hertfordshire | 01992 634255 |
| INDEPENDENT COACH TRAVEL | - | 020 7538 4627 |
| INFOCELL LTD | - | 00 353 1 282 3688 |
| INGLEBY`S COACHES LTD | North Yorkshire | 01904 637620 |
| INTERNATIONAL DRIVERS COACH COURIER SERVICES | South Yorkshire | 01709 586927 |
| INTERNATIONAL PASSENGER PROTECTION | Kent | 020 8313 3411 |
| INDICATORS INTERNATIONAL LTD | Co Londonderry | 028 7963 2591 |
| INVATRAVEL CONVERSIONS | Merseyside | 01704 506608 |
| INVERTEC LTD | Gloucestershire | 01285 713550 |
| IRISBUS (UK) LTD | Hertfordshire | 01923 259626 |
| IRJ SPARES TRUCK/BUS PARTS | Hampshire | 01252 341665 |
| IT`S BREAKTIME | Devon | 01803 299420 |
