| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AGMEC LIMITED | 01225878 | 31/03/1991 | Silver |
| CONSULTANT DEVELOPMENT ENGINEERING LIMITED | 05181986 | 16/07/2004 | Not Trading |
| CORROCOAT CORROSIONEERING LIMITED | 02229343 | 22/09/1991 | One Red Flag |
| CORROCOAT LIMITED | 01230166 | 31/03/1991 | Silver |
| CORROCOAT SERVICES LIMITED | 04445082 | 22/05/2002 | Not Trading |
| CORROPAGES LIMITED | 04046925 | 03/08/2000 | Not Trading |
| CORROSERVE LIMITED | 09409517 | 28/01/2015 | Not Trading |
| CORROSIONEERING GROUP LIMITED | 01265359 | 31/03/1991 | Gold |
| CORROSIONEERING LIMITED | 04396752 | 18/03/2002 | Not Trading |
| DOCK STREET MANAGEMENT LIMITED | 05726385 | 16/02/2012 | Gold |
| FLUIGLIDE LIMITED | 02148253 | 16/01/1992 | Not Trading |
| GLASSFLAKE LIMITED | 02164244 | 31/03/1991 | Silver |
| GLASSFLAKE MANUFACTURING LIMITED | 06679086 | 21/08/2008 | Not Trading |
| GLASSFLAKE TECHNOLOGIES LIMITED | 06679021 | 21/08/2008 | Not Trading |
| HELIVATION AVIATION LIMITED | 03026710 | 27/02/1995 | Amber |
| PRIME SAFE LIMITED | 01634383 | 24/11/1991 | Silver |
| RUNGFAR LIMITED | 02097742 | 15/08/1991 | Not Trading |
| WATER PROSPECTING (UK) LIMITED | 03500893 | 28/01/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|