| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BCJ DEVELOPMENTS LLP | NC000226 | 04/04/2007 | Dissolved |
| CLYDESIDE GALVANIZERS LIMITED | NI034322 | 09/06/1998 | Dissolved |
| EASABILITY SHOWERS LIMITED | NI027572 | 16/04/2005 | Silver |
| ENERSOL (IRELAND) LIMITED | NI061243 | 12/10/2006 | Dissolved |
| ENERSOL (IRELAND) LIMITED | NI061243 | 12/10/2006 | Dissolved |
| GALVANIZERS ASSOCIATION | 02451923 | 03/12/1998 | Gold |
| LOXSIT LIMITED | NI051761 | 08/06/2005 | Dissolved |
| OAKDENE ENTERPRISES LIMITED | NI615771 | 02/06/2022 | Silver |
| SILVERWOOD ENTERPRISE LIMITED | NI051451 | 30/08/2004 | Gold |
| TYRONE CRYSTAL DESIGN LIMITED | NI603200 | 07/02/2012 | Dissolved |
| Wenlock Ltd | NI027730 | 23/08/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ERINHILL LIMITED | NI601458 | 10/04/2010 | 08/07/2022 | Silver |
| FLOMAR LIMITED | 01735241 | 27/01/2011 | 08/07/2022 | Silver |
| FUEL ECONOMY LIMITED | 02643326 | 27/01/2011 | 08/07/2022 | Dissolved |
| M & M TRAINING SERVICES LIMITED | 04370459 | 27/01/2011 | 08/07/2022 | Bronze |
| NO. 37 BALLYHOLME ROAD MANAGEMENT COMPANY LIMITED | NI620906 | 14/10/2013 | 29/10/2014 | Bronze |