| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASTEC PRECISION HOLDINGS LIMITED | SC507627 | 23/07/2015 | Bronze |
| ASTEC PRECISION LIMITED | 03621871 | 23/07/2015 | Silver |
| Cadder Investments Ltd | SC297407 | 24/05/2007 | Dissolved |
| JAMES RAMSAY (GLASGOW) HOLDINGS LIMITED | SC455084 | 25/07/2013 | One Red Flag |
| JAMES RAMSAY (GLASGOW) LIMITED | SC011277 | 25/07/2013 | Gold |
| JAMES RAMSAY HOLDINGS LIMITED | SC752355 | 22/12/2022 | Bronze |
| LCH HOLDINGS LIMITED | 10233992 | 29/11/2016 | Silver |
| LUMEN GP | SC471158 | 27/02/2014 | Dissolved |
| NEVIS CAPITAL LLP | SO301116 | 03/11/2006 | Bronze |
| ROCC HOLDINGS LIMITED | SC547007 | 29/11/2016 | Bronze |
| ROCC PLANT HIRE LIMITED | SC615689 | 18/04/2019 | Dissolved |
| S2301 LIMITED | SC389580 | 26/11/2010 | Dissolved |
| S3456 LIMITED | SC184148 | 29/11/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APEX GENERATORS LIMITED | SC367781 | 13/11/2009 | 31/03/2014 | Bronze |
| CLYDE SPACE LIMITED | SC285287 | 21/12/2010 | 30/01/2018 | Amber |
| DIESELEC HOLDINGS LIMITED | SC371345 | 10/09/2010 | 01/11/2023 | One Red Flag |
| DIESELEC THISTLE GENERATORS LIMITED | SC269766 | 10/09/2010 | 01/11/2023 | Bronze |
| MICRO SPRING & PRESSWORK COMPANY LIMITED(THE) | 00814603 | 08/02/2008 | 17/06/2014 | Bronze |
| MICRO SPRING & PRESSWORK COMPANY LIMITED(THE) | 00814603 | 08/02/2008 | 17/06/2014 | Bronze |
| THE MICRO SPRING & PRESSWORK COMPANY HOLDINGS LIMITED | SC331637 | 08/02/2008 | 17/06/2014 | Dissolved |
| THE MICRO SPRING & PRESSWORK COMPANY HOLDINGS LIMITED | SC331637 | 28/01/2008 | 17/06/2014 | Dissolved |
| THISTLE GENERATORS LIMITED | SC382986 | 30/11/2010 | 12/10/2023 | Dissolved |
| WESTON TRANSPORT LIMITED | SC175456 | 01/05/2011 | 05/03/2013 | One Red Flag |