| Company | Timeline | Status | |
| The Copper + Asbestos Washer Company Limited Director • Engineer | 7 Jun 1996←29 Years→Current | Active | |
| The Copper + Asbestos Washer Company Limited Secretary • Unreported | 7 Jun 1996←29 Years→Current | Active | |
| Copper & Non-Asbestos Washer Company Limited(The) Secretary • Unreported | 1 Jan 1992←33 Years→Current | Active | |
| Copper & Automotive Washer Company Limited Director • Engineer/comp Sec | 1 Jan 1992←33 Years→Current | Active | |
| Copper & Automotive Washer Company Limited Secretary • Unreported | 1 Jan 1992←33 Years→Current | Active | |
