| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A G M Projects Ltd | 02047886 | 19/03/1992 | Dissolved |
| Agm Maintenance Ltd | 03156297 | 07/02/1996 | Dissolved |
| Cibse Light & Lighting | 04018289 | 19/08/2004 | Dissolved |
| Manly,A G,Plumbing Ltd | 00421087 | 04/07/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A G M Projects Ltd | 02047886 | 11/12/1998 | 19/07/2000 | Dissolved |
| A.G.MANLY GROUP LTD | 00462161 | 04/07/1991 | 14/12/2012 | Insolvent |
| ASHTEAD WARREN PROPERTY ASSOCIATION LIMITED(THE) | 01269941 | 28/11/2015 | 10/05/2019 | Silver |
| B&ESA LIMITED | 00852809 | 10/06/1997 | 28/03/2001 | One Red Flag |
| BUILDING SERVICES PUBLICATIONS LIMITED | 00657176 | 10/05/2006 | 20/10/2011 | Dissolved |
| BUILDING SERVICES RESEARCH AND INFORMATION ASSOCIATION(THE) | 00632760 | 19/11/1991 | 20/10/1994 | Bronze |
| MANLY MECHANICAL SERVICES LIMITED | 01142992 | 04/07/1991 | 14/12/2012 | Dissolved |
| NATIONAL ENGINEERING SPECIFICATION LIMITED | 01842644 | 10/10/2006 | 24/09/2010 | Dissolved |
| NATIONAL SKILLS ACADEMY FOR ENVIRONMENTAL TECHNOLOGIES LIMITED | 07820562 | 01/11/2011 | 17/06/2014 | Dissolved |
| PIPER TRAINING LIMITED | 03007236 | 06/10/1998 | 20/11/2001 | One Red Flag |
| SUMMITSKILLS LIMITED | 04575759 | 15/01/2004 | 31/12/2011 | Dissolved |