| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BSR PIPELINE SERVICES LIMITED | 03289197 | 29/01/2018 | Insolvent |
| DOMINION OFFSHORE SERVICES LIMITED | SC225132 | 23/11/2010 | Dissolved |
| DOMINION OILFIELD SERVICES LIMITED | SC539105 | 28/06/2016 | Dissolved |
| DOMINION OILFIELD SERVICES LIMITED | SC351607 | 23/11/2010 | Dissolved |
| GLOBAL GAS SUPPLIES (ABERDEEN) LIMITED | SC177369 | 23/11/2010 | Dissolved |
| PIPETECH ACQUISITION LIMITED | SC470319 | 01/11/2017 | Dissolved |
| RAMCO ACQUISITION LIMITED | SC443468 | 01/11/2017 | Insolvent |
| RAMCO HOLDINGS LIMITED | SC286980 | 01/11/2017 | Amber |
| RAMCO MIDDLE EAST LIMITED | SC596763 | 10/05/2018 | Dissolved |
| RAMCO OIL SERVICES INTERNATIONAL LIMITED | SC083958 | 01/11/2017 | One Red Flag |
| RAMCO OIL SERVICES LIMITED | SC131741 | 01/11/2017 | Silver |
| RAMCO PIPELINE SERVICES LIMITED | SC090368 | 01/11/2017 | Dissolved |
| RAMCO PIPETECH LIMITED | SC470070 | 01/11/2017 | Amber |
| RAMCO TUBULAR SERVICES LIMITED | SC099251 | 01/11/2017 | Insolvent |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COLUMBUS INNOVATIONS LIMITED | SC200988 | 19/07/2019 | 08/11/2023 | One Red Flag |
| DOMINION TECHNOLOGY GASES HOLDINGS LIMITED | SC319426 | 23/11/2010 | 01/11/2017 | Dissolved |
| NIPPON GASES OFFSHORE INVESTMENTS LIMITED | SC319425 | 05/02/2009 | 01/11/2017 | Dissolved |
| NIPPON GASES OFFSHORE LIMITED | SC111606 | 04/06/2010 | 01/11/2017 | Silver |
| NIPPON GASES OFFSHORE TANKS LIMITED | SC254641 | 23/11/2010 | 01/11/2017 | Dissolved |