| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A T C Pensions Trustees Ltd | 00750407 | 10/12/1993 | Dissolved |
| A T C Pensions Trustees Ltd | 00750407 | 14/12/1993 | Dissolved |
| Alexandra Aviation Consultancy Ltd | 02149234 | 28/05/1993 | Dissolved |
| Alexandra Marine Consultancy Ltd | 00353358 | 28/05/1993 | Dissolved |
| Alexandra Marine Transportation Ltd | 00498855 | 28/05/1993 | Dissolved |
| Britannia Towing Co Ltd | 00044218 | 28/05/1993 | Dissolved |
| Bulk Cargo Handling Services Ltd | 00987740 | 28/05/1993 | Dissolved |
| COCHRANE SHIPBUILDERS LIMITED | 01238089 | 25/11/1992 | Dissolved |
| COCHRANE SHIPBUILDERS LIMITED | 01238089 | 25/11/1992 | Dissolved |
| Gaselee & Son (Holding) Ltd | 00455857 | 28/05/1993 | Dissolved |
| Janus Airways Ltd | 01642603 | 28/05/1993 | Dissolved |
| Mersey Tugs Ltd | 05742381 | 17/05/2006 | Dissolved |
| Smith,Howard,(Felixstowe) Ltd | 00427497 | 28/05/1993 | Dissolved |
| Smith,Howard,(London) Ltd | 00146977 | 16/06/1993 | Dissolved |
| The Medway Dry Dock & Engineering Co Ltd | 00672470 | 28/05/1993 | Dissolved |
| Trafford Park Stevedoring Co Ltd | 01612615 | 28/05/1993 | Dissolved |
| United Salvage Ltd | 01100719 | 28/08/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FELIXARC MARINE LIMITED | 04094541 | 25/05/2001 | 15/06/2007 | Bronze |
| HUMBER TUGS LIMITED | 03124502 | 12/02/1996 | 15/06/2007 | Dissolved |
| Haven Tugs Ltd | 05816855 | 17/05/2006 | 15/06/2007 | Dissolved |
| Medway Tugs Ltd | 05742191 | 17/05/2006 | 15/06/2007 | Dissolved |
| ROYAL TERRACE PIER ESTATE COMPANY,LIMITED(THE) | 00039148 | 16/06/1993 | 15/06/2007 | Dissolved |
| SVITZER EASTLANDS LIMITED | 02103679 | 21/10/1998 | 15/06/2007 | Dissolved |
| SVITZER EASTLANDS LIMITED | 02103679 | 09/02/2007 | 15/06/2007 | Dissolved |
| SVITZER HUMBER LIMITED | 00524008 | 01/07/1993 | 15/06/2007 | Dissolved |
| SVITZER SPC4 LIMITED | 05472015 | 07/06/2005 | 15/06/2007 | Dissolved |
| SVITZER TOWAGE LIMITED | 00024907 | 25/08/1993 | 15/06/2007 | Dissolved |
| SVITZER TOWAGE LIMITED | 00024907 | 21/08/2006 | 15/06/2007 | Dissolved |
| SVITZER TUGMENS TRUSTEES LIMITED | 02918341 | 06/05/1994 | 25/09/2008 | Dissolved |
| Solent Tugs Ltd | 05742193 | 17/05/2006 | 15/06/2007 | Dissolved |
| Svitzer Personnel Services Ltd | 04563569 | 07/01/2003 | 15/06/2007 | Dissolved |
| Svitzer SPC3 Ltd | 04625083 | 21/03/2003 | 15/06/2007 | Dissolved |
| Svitzer Towage (Southampton) Ltd | 04136963 | 28/03/2002 | 15/06/2007 | Dissolved |
| Thames Tugs Ltd | 05816856 | 17/05/2006 | 15/06/2007 | Dissolved |
| The Alexandra Towing Co Ltd | 01313397 | 30/11/1995 | 15/06/2007 | Dissolved |
| The Original Britannia Marine Towing Equipment Ltd | 00885998 | 28/05/1993 | 12/04/1994 | Dissolved |
| UNITED SALVAGE LIMITED | 00229347 | 28/08/1993 | 15/06/2007 | Dissolved |
| UNITED TOWING LIMITED | 00172316 | 03/10/1994 | 15/06/2007 | Dissolved |
| United Salvage Ltd | 01100719 | 28/08/1993 | 28/08/1993 | Dissolved |