| Manufacturer | Sector | Year | Accounts type |
|---|---|---|---|
| MAXIBRITE LIMITED | Other manufacturing | 1962 | Audit-exempt subsidiary |
| PUROLITE LTD | Pharmaceuticals | 1984 | Full accounts |
| BRO-TECH LIMITED | Pharmaceuticals | 1984 | Full accounts |
| D.B.K.- TECHNITHERM LIMITED | Electrical equipment | 1984 | Full accounts |
| PUROLITE (INT.) LTD | Chemicals | 1999 | Full accounts |