| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUILDER'S BEAMS (HOLDINGS) LIMITED | 04962440 | 17/08/2010 | Dissolved |
| BUILDER'S BEAMS FABRICATION LIMITED | 10101558 | 04/04/2016 | Dissolved |
| BUILDER'S BEAMS GROUP LIMITED | 12080391 | 02/07/2019 | Dissolved |
| BUILDER'S BEAMS LIMITED | 02713024 | 17/08/2010 | Dissolved |
| BUILDERS BEAMS & STRUCTURES LIMITED | 04250281 | 17/08/2010 | Dissolved |
| JPMS HOLDINGS LIMITED | 12080452 | 02/07/2019 | Dissolved |
| PARKER AUTOMOTIVE LIMITED | 10711128 | 05/04/2017 | Dissolved |
| PARKERSTEEL STRUCTURAL ENGINEERING SERVICES LIMITED | 06582148 | 01/05/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| JOHN PARKER & SON LIMITED | 00654746 | 31/12/1991 | 19/10/2021 | Dissolved |
| JPMS LIMITED | 02843102 | 25/10/1993 | 19/10/2021 | Dissolved |
| PALACE STREET TRADING LTD | 05225642 | 08/09/2004 | 23/11/2011 | Dissolved |
| PARKERSTEEL LIMITED | 12080311 | 01/08/2019 | 06/06/2022 | One Red Flag |
| PARKERSTEEL LIMITED | 12080311 | 02/07/2019 | 06/06/2022 | One Red Flag |