| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABNOR MARKETING INTERNATIONAL LIMITED | SC085677 | 20/04/2001 | Dissolved |
| ABNOR PROTECTOR SUPPLIES LIMITED | SC109897 | 01/07/2000 | Dissolved |
| Aberdeen (Market Rentals) Ltd | SC135286 | 12/04/1995 | Dissolved |
| Aberdeen Foundries Ltd | SC135555 | 06/12/1991 | Dissolved |
| Lothian Mouldings Ltd | SC097572 | 30/06/1989 | Dissolved |
| POLYMER HOLDINGS LIMITED | SC089577 | 31/12/1988 | Silver |
| POLYMER N1 LIMITED | SC424894 | 29/05/2012 | Dissolved |
| POLYMER N2 LIMITED | SC424895 | 29/05/2012 | Bronze |
| POLYMER N3 LIMITED | SC424896 | 29/05/2012 | Silver |
| Polymer Ltd | SC129957 | 12/03/1991 | Dissolved |
| Polymer Rotomouldings Ltd | 03153040 | 18/03/1996 | Dissolved |
| Protector Systems Ltd | SC102607 | 30/06/1988 | Dissolved |
| REDHILL DEVELOPMENTS LIMITED | SC129960 | 12/03/1991 | Bronze |
| RUBBER ENGINEERING LIMITED | SC107934 | 30/06/1988 | One Red Flag |
| Rubber Engineering Services Ltd | 03153041 | 18/03/1996 | Dissolved |
| Sigma Oilfield Products (U K) Ltd | 02160233 | 06/12/1991 | Dissolved |
| Specialist Seals Ltd | SC129958 | 31/08/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KROMEK GROUP PLC | 08661469 | 30/08/2013 | 01/10/2018 | Amber |
| KROMEK LIMITED | 04728565 | 12/07/2010 | 01/10/2018 | Amber |
| P E S Petroseal Ltd | SC104611 | 31/12/1988 | 15/11/1989 | Dissolved |
| PIONEER OIL TOOLS LIMITED | SC083996 | 08/11/1989 | 14/09/1989 | Silver |
| PIONEER OIL TOOLS LIMITED | SC083996 | 08/11/1989 | 14/09/1989 | Silver |
| Protector Systems Ltd | SC102607 | 30/06/1988 | 17/11/1997 | Dissolved |
| Specialist Seals Ltd | SC129958 | 12/03/1991 | 08/05/1992 | Dissolved |