| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bioassay Toxicity Testing Ltd | 04402385 | 31/10/2002 | Dissolved |
| Bioincubator York Ltd | 03500762 | 15/01/1999 | Dissolved |
| Cellutions Ltd | 03664511 | 05/07/2001 | Dissolved |
| Citizen-Direct Ltd | 04986980 | 08/12/2003 | Dissolved |
| Heslitec Ltd | 02502945 | 18/02/2000 | Dissolved |
| Morandale Ltd | 03197290 | 04/02/1999 | Dissolved |
| Uylc Ltd | 03615840 | 05/03/1999 | Dissolved |
| Vistatec York Ltd | 04112246 | 09/08/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARAFILTRATION LIMITED | 03718976 | 16/03/1999 | 21/11/2000 | Dissolved |
| CBAMS LIMITED | 04262564 | 13/08/2002 | 10/04/2006 | Dissolved |
| PCT SHAREHOLDERS LIMITED | 04216368 | 09/08/2001 | 06/06/2007 | Dissolved |
| STEM LEARNING LIMITED | 05081097 | 03/06/2004 | 12/10/2004 | Bronze |
| Skylarc Technologies Ltd | 04085080 | 21/10/2002 | 22/07/2008 | Dissolved |
| XCELERON LIMITED | 03216427 | 26/06/2002 | 01/06/2005 | Dissolved |
| YCC LIMITED | 03642312 | 01/02/1999 | 25/04/2006 | Dissolved |