| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A M J Cleaning Ltd | 01550864 | 18/12/1991 | Dissolved |
| A M J Cleaning Ltd | 01550864 | 16/06/1993 | Dissolved |
| Bargate Cleaning Services Limited | 01160744 | 18/12/1990 | Dissolved |
| Bargate Cleaning Services Limited | 01160744 | 31/01/1991 | Dissolved |
| Birchgrange Ltd | 01675089 | 18/12/1991 | Dissolved |
| Birchgrange Ltd | 01675089 | 18/12/1991 | Dissolved |
| Buckingham Estates Ltd | 02262765 | 31/12/1992 | Dissolved |
| Buckingham Estates Ltd | 02262765 | 31/12/1992 | Dissolved |
| Chalkley Maintenance Ltd | 00469420 | 18/12/1991 | Dissolved |
| Chalkley Maintenance Ltd | 00469420 | 19/06/1995 | Dissolved |
| City of Westminster Window & Office Cleaning Co Ltd | 00414103 | 18/12/1990 | Dissolved |
| Dancerate Ltd | 01881350 | 18/12/1991 | Dissolved |
| Dancerate Ltd | 01881350 | 18/12/1991 | Dissolved |
| Epizym Biosystems Ltd | 02767916 | 12/03/1993 | Dissolved |
| H C S (Domestic Services) Ltd | 01777776 | 18/12/1991 | Dissolved |
| H C S (Domestic Services) Ltd | 01777776 | 21/07/1993 | Dissolved |
| New Clean Services Ltd | 01442312 | 18/12/1990 | Dissolved |
| New Clean Services Ltd | 01442312 | 31/01/1991 | Dissolved |
| Permapure Ltd | 01573591 | 18/12/1991 | Dissolved |
| Permapure Ltd | 01573591 | 18/12/1991 | Dissolved |
| Wasco (Aircraft) Ltd | 01837681 | 18/12/1991 | Dissolved |
| Wasco (Aircraft) Ltd | 01837681 | 18/12/1991 | Dissolved |
| Wasco (Caxton) Ltd | 01945729 | 18/12/1991 | Dissolved |
| Wasco (Caxton) Ltd | 01945729 | 14/11/1995 | Dissolved |
| Wasco (Hygienic) Ltd | 02041856 | 18/12/1990 | Dissolved |
| Wasco (Hygienic) Ltd | 02041856 | 31/01/1991 | Dissolved |
| Wasco (Leigh) Ltd | 02268308 | 16/06/1993 | Dissolved |
| Wasco (London) Ltd | 00478220 | 18/12/1990 | Dissolved |
| Wasco (London) Ltd | 00478220 | 18/12/1990 | Dissolved |
| Wasco (Paper) Ltd | 01195583 | 18/12/1991 | Dissolved |
| Wasco (Paper) Ltd | 01195583 | 16/06/1993 | Dissolved |
| Wasco (Quest) Ltd | 01820992 | 18/12/1990 | Dissolved |
| Wasco (Resin) Ltd | 01698102 | 16/06/1993 | Dissolved |
| Wasco (Tunnel) Ltd | 00750855 | 18/12/1990 | Dissolved |
| Wasco (Tunnel) Ltd | 00750855 | 16/06/1993 | Dissolved |
| Wasco (Windows) Ltd | 01053731 | 18/12/1990 | Dissolved |
| Wasco (Windows) Ltd | 01053731 | 16/06/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 00251293 LIMITED | 00251293 | 18/12/1991 | 07/07/1995 | Dissolved |
| 00570914 LIMITED | 00570914 | 18/12/1991 | 24/10/1996 | Dissolved |
| Artel Services Ltd | 00346612 | 18/12/1991 | 05/04/1994 | Dissolved |
| Autonet Services Ltd | 02536910 | 05/09/1991 | 02/04/1996 | Dissolved |
| Aviation & Airport Services Ltd | 00890508 | 18/12/1992 | 12/06/1995 | Dissolved |
| COMPASS POINT (SANDBANKS) LIMITED | 02654098 | 16/10/1992 | 04/06/1994 | Silver |
| COTSWOLD CASEMENT COMPANY LIMITED(THE) | 00589731 | 18/12/1991 | 28/02/1997 | Silver |
| COTSWOLD CASEMENT COMPANY LIMITED(THE) | 00589731 | 16/10/1995 | 28/02/1997 | Silver |
| Collie Carpets Ltd | 00568763 | 18/12/1991 | 24/10/1996 | Dissolved |
| GENERAL DAMP COURSE & WOODWORM COMPANY LIMITED | 01190843 | 18/12/1990 | 18/12/1993 | Dissolved |
| John Churchill (Valuers) Ltd | 00994625 | 18/12/1991 | 24/10/1996 | Dissolved |
| LELLIOTTS SUNBLINDS LIMITED | 00886636 | 18/12/1991 | 26/07/1996 | Insolvent |
| Lynx Management Solutions Ltd | 02879479 | 11/07/1994 | 14/12/1995 | Dissolved |
| New Century Group Ltd | 00225842 | 18/12/1991 | 01/03/1996 | Dissolved |
| New Chesterton Cleaning Ltd | 00638838 | 18/12/1992 | 12/06/1995 | Dissolved |
| O C S Cleaning U K Ltd | 02464271 | 19/05/1993 | 02/04/1996 | Dissolved |
| O.C.S. ACCESS LIMITED | 00518339 | 18/12/1991 | 11/10/1996 | Dissolved |
| OCS GROUP INTERNATIONAL LIMITED | 02946849 | 14/09/1994 | 24/10/1996 | Bronze |
| OCS SCOTLAND LIMITED | SC054776 | 23/12/1988 | 07/07/1995 | Dissolved |
| Ocs Smarts Ltd | 00186246 | 18/12/1991 | 24/10/1996 | Dissolved |
| Ocs Wales Ltd | 00744332 | 18/12/1991 | 07/07/1995 | Dissolved |
| SELECT FACILITIES MANAGEMENT LIMITED | 00471396 | 18/12/1991 | 02/04/1996 | Dissolved |
| STRAND LIMITED | 00628031 | 18/12/1990 | 12/06/1995 | Dissolved |
| Sovereign Catering Services Ltd | 02415255 | 21/08/1992 | 02/04/1996 | Dissolved |
| TILGATE NO.1 LIMITED | 01276803 | 18/12/1991 | 24/10/1996 | Dissolved |
| Throwers Ltd | 01311626 | 18/12/1991 | 02/04/1996 | Dissolved |
| Trident Contract Services Ltd | 02415776 | 22/08/1991 | 07/07/1995 | Dissolved |
| Tunnel Services Ltd | 02536911 | 05/09/1991 | 02/04/1996 | Dissolved |
| WEST LEIGH LIMITED | 00384694 | 18/12/1991 | 18/10/1995 | One Red Flag |
| Wasco (Fox) Ltd | 02415257 | 21/08/1991 | 01/04/1992 | Dissolved |