| Company | Audience Ltd |
| Location |
|
| Telephone | 01225 333310 |
| Fax | 01225 335353 |
| invoice@audience.org.uk |
| Company | Sevenoaks S&v |
| Location |
|
| Telephone | 01179 743727 |
| Fax | 01179 237639 |
| bristol@ssav.com |
| Company | Simon Ball Electrical Technology |
| Location |
|
| Telephone | 01454 632223 |
| Fax | 01454 632223 |
| simon_ball@dsl.pipex.com |
| Company | Stage Electrics Partnership Limited |
| Location |
|
| Telephone | 0117 9827282 |
| Fax | 0117 9162825 |
| rachel.moss@stage-electrics.co.uk |