| Company | Timeline | Status | |
| W.A.C. McCandless (Engineers) Limited Director • Director | 14 Aug 2000←17 Years→10 Dec 2017 | Active | |
| T. H. Moore (Contracts) Ltd Director • Director | 20 Feb 1996←21 Years→10 Dec 2017 | Active | |
| Gibson Bros Limited Director • Director | 22 Sep 1986←31 Years→10 Dec 2017 | Active | |
| Gibson Properties Limited Director • Director | 19 May 1986←31 Years→10 Dec 2017 | Active | |
| Court Finance Limited Director • Director | 6 Aug 1982←35 Years→10 Dec 2017 | Active | |
| Gibson Quarries (Banbridge) Limited Director • Director | 20 Jan 1978←39 Years→10 Dec 2017 | Active | |
| Gibson (Banbridge) Limited Director • Director | 14 Aug 1975←42 Years→10 Dec 2017 | Active | |
