| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Airmech Ltd | 02419646 | 03/03/1992 | Dissolved |
| Bryant Beck Contracts Ltd. | 02932919 | 29/11/1994 | Dissolved |
| Industrial Air Conditioning Services Ltd | 02651610 | 03/09/1998 | Dissolved |
| Intaduct Ltd | 01500774 | 31/12/1991 | Dissolved |
| Moonmono Limited | 02301589 | 31/12/1991 | Dissolved |
| Oak Project Management Limited | 02707897 | 16/04/1992 | Dissolved |
| Pro Air Systems Ltd | 02735666 | 29/07/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| INTERLOCK DUCTWORK LIMITED | 02361459 | 15/03/1991 | 11/10/1991 | Dissolved |