| Company | Timeline | Status | |
| Rowland Stonemasonry Limited Director • Manager | 19 Dec 1995←17 Years→31 May 2013 | Active | |
| Rowland Stonemasonry Limited Secretary • Manager | 19 Dec 1995←17 Years→31 May 2013 | Active | |
| Rowland Premix Limited Director • Manager | 28 Nov 1991←21 Years→31 May 2013 | Active | |
| Rowland Premix Limited Secretary • Unreported | 28 Nov 1991←21 Years→31 May 2013 | Active | |
