| Company | Timeline | Status | |
| J. Breheny Developments Limited Director • Civil Engineer | 19 Dec 1991←7 Years→19 Apr 1999 | Active | |
| Breheny Group Plant Limited Director • Civil Engineer | 19 Dec 1991←7 Years→19 Apr 1999 | Active | |
| Jack Breheny Limited Director • Civil Engineer | 19 Dec 1991←7 Years→19 Apr 1999 | Active | |
| Breheny Civil Engineering Limited Director • Civil Engineer | 19 Dec 1991←7 Years→19 Apr 1999 | Active | |
