| Company | Timeline | Status | |
| Tennants Distribution Limited Director • Company Director | 28 Nov 1995←6 Years→25 Mar 2002 | Active | |
| Anderson Gibb & Wilson Limited Director • Managing Director | 3 Jun 1992←9 Years→7 Dec 2001 | Active | |
| John C. Walker Limited Director • Managing Director | 3 Jun 1992←9 Years→7 Dec 2001 | Active | |
| Charles Tennant & Company, Limited Director • Company Director | 26 Apr 1989←12 Years→7 Dec 2001 | Active | |
