| Company | Timeline | Status | |
| Enfield Fire Protection Limited Secretary • Unreported | 12 Mar 1996←3 Years→29 Oct 1999 | Dissolved | |
| Briggs Amasco Curtainwall Limited Secretary • Unreported | 12 Mar 1996←3 Years→29 Oct 1999 | Dissolved | |
| Enfield Fire Protection Limited Secretary • Unreported | 8 Dec 1993←1 Month→31 Jan 1994 | Dissolved | |
| Tarmac (PCC) Limited Secretary • Unreported | 6 Dec 1993←5 Years→29 Oct 1999 | Active | |
| Tarmac (Ba) Limited Secretary • Unreported | 6 Dec 1993←5 Years→29 Oct 1999 | Active | |
| TGCL (Oldco) Limited Secretary • Company Secretary | 30 Jun 1993←6 Years→29 Oct 1999 | Dissolved | |
| Tarmac Industrial Products Limited Secretary • Unreported | 30 Jun 1993←6 Years→29 Oct 1999 | Active | |
Maurice Hill Limited Secretary • Unreported | 16 May 1992←1 Year 6 Months→6 Dec 1993 | Dissolved | |
| Ace Minimix Limited Secretary • Unreported | 26 Mar 1992←7 Years→29 Oct 1999 | Dissolved | |
Tarmac (RBP) Limited Secretary • Unreported | 26 Mar 1992←7 Years→29 Oct 1999 | Dissolved | |
