| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BILCAT LTD. | SC534735 | 06/05/2016 | Dissolved |
| DIVERSUS ENGINEERING LTD. | SC491145 | 13/11/2014 | Dissolved |
| Hallarea Enterprises Ltd | SC148105 | 10/01/1994 | Dissolved |
| KERRWON LTD | SC666816 | 08/07/2020 | Dissolved |
| OFFSHORE CAISSON INTEGRITY LTD | SC505212 | 06/05/2015 | Dissolved |
| WONBTC (ENG.) LTD. | SC320445 | 04/04/2007 | Dissolved |
| WONCON1 ENG LTD | SC752511 | 07/12/2022 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| NORTECH ENGINEERING SOLUTIONS LIMITED | 08160361 | 27/07/2012 | 24/07/2015 | Strike Off |