| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CONTROLLED AIR SYSTEMS (LEICESTER) LTD | 07866102 | 30/11/2011 | Silver |
| CONTROLLED AIR SYSTEMS LIMITED | 06518706 | 29/02/2008 | Dissolved |
| Omega Contractors (Leicester) Ltd | 04875411 | 24/03/2005 | Dissolved |
| Omega Duct Services (Leicester) Ltd | 05388482 | 10/03/2005 | Dissolved |
| Omega Installations (Leicester) Ltd | 05388603 | 10/03/2005 | Dissolved |
| Omega Maintenance Ltd | 05313677 | 15/12/2004 | Dissolved |
| Omega Transport (Leicester) Ltd | 05398688 | 18/03/2005 | Dissolved |
| STEVEN LAADIK LIMITED | 07281116 | 11/06/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABLE-DUCT LIMITED | 01479237 | 01/08/2004 | 07/03/2005 | One Red Flag |
| Control Air Technology Ltd | 05687366 | 31/01/2007 | 01/05/2008 | Dissolved |