| Company | Timeline | Status | |
| R.D. Spittal, Limited Director • Company Director | 6 Oct 1989←36 Years→Current | Active | |
| Deanside Transit Limited Director • Company Director | 19 Aug 1988←37 Years→Current | Active | |
| Carntyne Transport Company Limited Director • Company Director | 19 Aug 1988←37 Years→Current | Active | |
| John G. Russell (Transport) Limited Director • Company Director | 19 Aug 1988←37 Years→Current | Active | |
