| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A D I ENVIRONMENTAL LIMITED | 05478371 | 01/06/2006 | Silver |
| A D I MECHANICAL LIMITED | 02615971 | 16/06/2000 | Bronze |
| A D I PROJECTS LIMITED | 03944470 | 10/03/2000 | Bronze |
| ADI AUTOMATION LIMITED | 06972738 | 25/07/2009 | Bronze |
| ADI AUTOMOTIVE SERVICES LIMITED | 07671313 | 15/06/2011 | One Red Flag |
| ADI BUILDING & REFURBISHMENT LIMITED | 07129971 | 19/01/2010 | One Red Flag |
| ADI CLIMATE SYSTEMS LIMITED | 07623322 | 05/05/2011 | Silver |
| ADI DIGITAL LIMITED | 08724474 | 09/10/2013 | Dissolved |
| ADI ELECTRICAL LIMITED | 02471373 | 31/12/1991 | Bronze |
| ADI FACILITIES ENGINEERING LIMITED | 05047365 | 18/02/2004 | Bronze |
| ADI FIRE AND SECURITY LIMITED | 07308745 | 08/07/2010 | One Red Flag |
| ADI FOOD AND BEVERAGE SERVICES LIMITED | 07464110 | 08/12/2010 | Silver |
| ADI GROUP SERVICES LIMITED | 07426849 | 02/11/2010 | One Red Flag |
| ADI INTELLIGENT BUILDINGS LIMITED | 08327501 | 11/12/2012 | Bronze |
| ADI LIFE SCIENCES LIMITED | 13280928 | 21/03/2021 | One Red Flag |
| ADI PROCESS PIPEWORK LIMITED | 09329062 | 26/11/2014 | Dissolved |
| ADI SMART METERING SERVICES LIMITED | 08719696 | 07/10/2013 | Not Trading |
| ADI SPECIALIST WELDING SOLUTIONS LIMITED | 07654109 | 02/04/2015 | Dissolved |
| ADI VT LIFT AND ESCALATOR CONSULTANCY LIMITED | 09754839 | 01/09/2015 | One Red Flag |
| ADI WASTE SYSTEMS LIMITED | 07325017 | 23/07/2010 | One Red Flag |
| ADI WATER POLLUTION CONTAINMENT LIMITED | 08253716 | 15/10/2012 | One Red Flag |
| AQUAPAK POLYMERS LTD | 05343342 | 01/10/2010 | Silver |
| CITY ELECTRICAL INSTALLATIONS (COBRIDGE) LIMITED | 02046853 | 03/09/2007 | Silver |
| CONTRACT MATERIALS LIMITED | 07274117 | 04/06/2010 | Dissolved |
| ELEMENTI CUCINA LIMITED | 09961189 | 20/01/2016 | One Red Flag |
| HEALY COMPRESSOR SERVICES LIMITED | 06423930 | 30/06/2011 | Silver |
| SYSTEMS ADI GROUP HOLDINGS LIMITED | 11172232 | 26/01/2018 | Amber |
| T & A TRANSITION LIMITED | 11090732 | 30/11/2017 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MA24 LIMITED | 07159714 | 17/02/2010 | 16/12/2021 | Bronze |