| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARLIS WELDING (INSPECTION) COMPANY LIMITED | 01184097 | 16/01/2003 | Dissolved |
| CET MEDWAY LIMITED | 01997123 | 01/05/2007 | Dissolved |
| EAE (RT) LIMITED | 01031464 | 16/01/2003 | Insolvent |
| EVERARD PIPELINES (U.K.) LIMITED | SC091433 | 16/01/2003 | Dissolved |
| ICON (EUROPE) LIMITED | SC163671 | 16/01/2003 | Dissolved |
| M.E.S. GROUP LIMITED | 01770514 | 16/01/2003 | Dissolved |
| OCEAN SYSTEMS ENGINEERING LIMITED | 01614479 | 13/01/1992 | Dissolved |
| OIS TEESSIDE LIMITED | 00568950 | 16/01/2003 | Dissolved |
| Ois Overseas Ltd | SC173874 | 16/01/2003 | Dissolved |
| SOLUS SCHALL LIMITED | 01551220 | 13/01/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BROMPTON HOLDINGS LIMITED | SC062145 | 16/01/2003 | 22/12/2014 | Not Trading |
| NORSE CUTTING & ABANDONMENT LIMITED | SC310272 | 11/07/2011 | 22/12/2014 | Dissolved |
| OCEANEERING INTERNATIONAL SERVICES LIMITED | 01023217 | 13/01/1992 | 22/12/2014 | Silver |
| OIS INTERNATIONAL INSPECTION LIMITED | 02688399 | 16/01/2003 | 22/12/2014 | Not Trading |
| OIS LIMITED | 01676689 | 16/01/2003 | 22/12/2014 | Not Trading |