| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AIR COOL ENGINEERING (N.I.) LTD | NF003555 | 17/11/2000 | Dissolved |
| AIR COOL ENGINEERING (N.I.) LTD. | 03435101 | 17/09/1997 | Silver |
| AIR COOL ENGINEERING FACILITIES LIMITED | 07440207 | 15/11/2010 | Dissolved |
| AIR COOL ENGINEERING LIMITED | 02395139 | 14/06/1992 | Dissolved |
| AIR COOL ENGINEERING MIDLANDS LTD. | 03307458 | 29/08/1997 | Dissolved |
| AIR COOL ENGINEERING MIDLANDS LTD. | 03307458 | 21/01/1997 | Dissolved |
| Air Cool Engineering (Limavady) Ltd | NI050888 | 09/06/2004 | Dissolved |
| Air Cool Engineering Electrical Services Ltd. | 03416877 | 08/08/1997 | Dissolved |
| Air Cool Engineering Electrical Sevices Ltd | 06384263 | 28/09/2007 | Dissolved |
| Air Cool Engineering Western Ltd | 03374602 | 21/05/1997 | Dissolved |
| McRoss,K & B,Ltd | 03323873 | 25/02/1997 | Dissolved |
| SEA FOREST HOLDINGS LIMITED | 07233421 | 23/04/2010 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FIRST CALL BUILDING SERVICES LIMITED | 04583539 | 06/11/2002 | 19/09/2007 | One Red Flag |
| FIRST CALL SYSTEMS AND SERVICES LTD | 04620730 | 18/12/2002 | 31/08/2007 | Insolvent |
| HOME COOL LTD. | 03374592 | 21/05/1997 | 01/01/2004 | Bronze |
| Sale Group Ltd | 03142408 | 10/05/1996 | 07/07/2003 | Dissolved |
| Sale Group Ltd | 03142408 | 29/12/1995 | 07/07/2003 | Dissolved |