| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Isoflex Ltd | 00571202 | 19/03/1991 | Dissolved |
| Phillips Laboratories Ltd | 00136146 | 19/03/1991 | Dissolved |
| Scott & Turner Ltd | 00096301 | 19/03/1991 | Dissolved |
| Sterling Drug Ltd | 00213463 | 19/03/1991 | Dissolved |
| Sterling Health Products Ltd | 00785520 | 19/03/1991 | Dissolved |
| Sterling Medicare Ltd | 00716209 | 19/03/1991 | Dissolved |
| Thawpit Ltd | 00296901 | 19/03/1991 | Dissolved |
| WINTHROP LABORATORIES LIMITED | 00566871 | 19/03/1991 | Dissolved |
| Winpharm Ltd | 00049958 | 19/03/1991 | Dissolved |
| Winthrop Research Ltd | 00211152 | 19/03/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Beecham Portuguesa-Produtos Farmaceuticos E Quimicos, Ltd | 00191135 | 31/05/1991 | 25/10/1991 | Dissolved |
| Gray Laboratories International Ltd | 00166578 | 19/03/1992 | 25/01/1991 | Dissolved |
| STERLING-CHAPELTOWN LIMITED | 00765587 | 19/03/1991 | 25/10/1991 | Insolvent |