| Company | Timeline | Status | |
| Ayr Rugby Football Club Limited Director • Retired | 30 Sep 2024←1 Year 2 Months→Current | Active | |
Howie Of Dunlop Limited Director • Director | 27 Jul 2001←6 Years→31 Mar 2008 | Dissolved | |
| Howie Minerals Limited Director • Director | 27 Jul 2001←6 Years→1 Apr 2008 | Active | |
Howie Management Limited Director • Director | 27 Jul 2001←6 Years→31 Mar 2008 | Dissolved | |
Howie Group Limited Director • Director | 13 Jul 2001←6 Years→2 Apr 2008 | Dissolved | |
| James Reid (Minerals) Limited Director • Construction Services Manager | 1 Jul 1999←8 Years→1 Apr 2008 | Active | |
| Robert Howie & Sons Director • Construction Services Manager | 4 Dec 1990←35 Years→Current | Active | |
