| Company | Timeline | Status | |
| Conservatory Cast Systems Limited Director • Foundryman | 1 Sep 1992←4 Years→9 May 1997 | Active | |
| Charles H. Coward Limited Director • Brass Founder | 10 Jul 1991←5 Years→9 May 1997 | Active | |
| Charles H. Coward Limited Director • Unreported | 1 Jan 1970←27 Years→9 May 1997 | Active | |
