| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bluewood Services Ltd | 03121191 | 02/11/1995 | Dissolved |
| Bluewood Services Ltd | 03121191 | 02/11/1995 | Dissolved |
| FES 2 LIMITED | 04673776 | 21/02/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 01175729 LIMITED | 01175729 | 19/12/1991 | 25/10/1994 | Dissolved |
| A.I.S.L. LIMITED | 00968158 | 19/12/1991 | 25/10/1994 | Dissolved |
| AWSR SHIPPING LIMITED | 04117402 | 29/12/2000 | 29/12/2000 | Not Trading |
| Anglia Consolidated Offshore Electrical Services Ltd | 01628412 | 20/04/1991 | 25/10/1994 | Dissolved |
| BROMPTON HOLDINGS LIMITED | SC062145 | 30/12/1992 | 25/10/1994 | Not Trading |
| Bix Ltd | 02120530 | 19/12/1991 | 25/10/1994 | Dissolved |
| Charterpower Ltd | 01086107 | 03/09/1991 | 25/10/1994 | Dissolved |
| EAE (RT) LIMITED | 01031464 | 31/12/1991 | 25/10/1994 | Insolvent |
| Export Personnel Services Ltd | 02515091 | 18/10/1993 | 25/10/1994 | Dissolved |
| GAOH CONSULTING LIMITED | 07198181 | 22/03/2010 | 31/03/2012 | Dissolved |
| GAOH OFFSHORE (UK) LIMITED | 07224286 | 15/04/2010 | 31/03/2012 | Dissolved |
| HADLEY SHIPPING INVESTMENTS LIMITED | 04400306 | 21/06/2002 | 07/08/2003 | Dissolved |
| HART, FENTON & CO LIMITED | 05894662 | 09/03/2009 | 31/03/2012 | Not Trading |
| HART, FENTON & CO LIMITED | 05894662 | 02/08/2006 | 31/03/2012 | Not Trading |
| HOULDER ENGINEERING GROUP LIMITED | 06056166 | 28/12/2011 | 31/03/2012 | Silver |
| HOULDER INVESTMENTS LIMITED | 03439966 | 09/03/2009 | 31/03/2012 | Not Trading |
| HOULDER INVESTMENTS LIMITED | 03439966 | 14/12/2007 | 31/03/2012 | Not Trading |
| HOULDER LIMITED | 04400298 | 09/03/2009 | 31/03/2012 | Silver |
| HOULDER LIMITED | 04400298 | 21/06/2002 | 31/03/2012 | Silver |
| HOULDER OFFSHORE LIMITED | 03380584 | 09/03/2009 | 31/03/2012 | Not Trading |
| HOULDER OFFSHORE LIMITED | 03380584 | 14/12/2007 | 31/03/2012 | Not Trading |
| HOULDER TRUSTEECO LIMITED | 06412479 | 09/03/2009 | 31/03/2012 | Dissolved |
| Inspectorate Site Services Ltd | 01609689 | 22/03/1991 | 25/10/1994 | Dissolved |
| KINGS HORTICULTURE LIMITED | 02201419 | 24/05/1995 | 01/08/1996 | Bronze |
| M.E.S. GROUP LIMITED | 01770514 | 20/04/1992 | 25/10/1994 | Dissolved |
| MARS SHIPPING UK LTD | 05514858 | 09/03/2009 | 31/03/2012 | Dissolved |
| Maritime Acos Ltd | 01740219 | 20/04/1991 | 25/10/1994 | Dissolved |
| NOTSALLOW 190 LIMITED | 04791453 | 18/07/2003 | 07/08/2003 | Dissolved |
| Noricle Ltd | 01707520 | 31/10/1991 | 25/10/1994 | Dissolved |
| O I S Newark Ltd | 01405917 | 20/04/1991 | 25/10/1994 | Dissolved |
| O I S Power & Nuclear Ltd | 02099469 | 19/12/1991 | 25/10/1994 | Dissolved |
| OILFIELD INSPECTION SERVICES OVERSEAS LIMITED | 01344053 | 19/12/1991 | 25/10/1994 | Not Trading |
| OIS INTERNATIONAL INSPECTION LIMITED | 02688399 | 07/12/1992 | 25/10/1994 | Not Trading |
| OIS LIMITED | 01676689 | 20/03/1992 | 25/10/1994 | Not Trading |
| OIS OILFIELD LIMITED | SC051995 | 02/07/1990 | 25/10/1994 | Dissolved |
| Oilfield Inspection Services Ltd | SC070270 | 02/07/1990 | 25/10/1994 | Dissolved |
| Ois Tubulars Ltd | 01086014 | 31/08/1991 | 25/10/1994 | Dissolved |
| SEASPEED MARINE CONSULTING LIMITED | 02106811 | 03/03/2009 | 31/03/2012 | Not Trading |
| SEASPEED MARINE CONSULTING LIMITED | 02106811 | 27/11/1992 | 31/03/2012 | Not Trading |
| THE UNIT INSPECTION COMPANY LIMITED | 01872373 | 19/12/1991 | 25/10/1994 | Dissolved |
| Termvote Ltd | 02911149 | 30/06/1994 | 25/10/1994 | Dissolved |
| W P Realisations Ltd | 02656144 | 16/01/1996 | 18/09/1996 | Dissolved |
| W P Realisations Ltd | 02656144 | 01/11/1995 | 18/09/1996 | Dissolved |
| ZAB LIMITED | 03450453 | 15/10/1997 | 09/05/2022 | Gold |
| ZAB LIMITED | 03450453 | 15/10/1997 | 09/05/2022 | Gold |