| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AQUA CAPITAL LIMITED | 00248695 | 02/04/2007 | Dissolved |
| DARWINS ALLOY CASTINGS LIMITED | 03549081 | 13/02/2004 | Dissolved |
| Darwins Engineering Ltd | 03545078 | 13/02/2004 | Dissolved |
| Darwins Patterns & Models Ltd | 03545087 | 13/02/2004 | Dissolved |
| Darwins Precision Components Ltd | 03545094 | 13/02/2004 | Dissolved |
| LABOUR PUMP COMPANY LIMITED | 00331470 | 06/11/2003 | Insolvent |
| Labour Pump Co Ltd | 02683040 | 06/11/2003 | Dissolved |
| Spp Projects Ltd | 00427099 | 06/11/2003 | Dissolved |
| Sterling Fluid Holdings Ltd | 03123689 | 07/08/2003 | Dissolved |
| Sterling Fluid Projects (Uk Holdings) Ltd | 03113125 | 06/11/2003 | Dissolved |
| Sterling Fluid Projects Ltd | 00171746 | 06/11/2003 | Dissolved |
| Sterling Fluid Systems Ltd | 03118576 | 06/11/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DARWINS HOLDINGS LIMITED | 00594788 | 21/10/2004 | 24/01/2013 | Insolvent |
| DTN EUROPE HOLDINGS LIMITED | 02665051 | 04/10/2018 | 21/02/2022 | Silver |
| PETROLVALVES (G.B.) LIMITED | 01851035 | 01/09/2015 | 07/11/2017 | Amber |
| STERLING FLUID SERVICES LIMITED | 03123685 | 07/08/2003 | 07/01/2015 | Dissolved |
| STERLING FLUID SYSTEMS (UK GROUP) LIMITED | 01993598 | 08/08/2003 | 30/09/2005 | Dissolved |
| STERLING FLUID SYSTEMS (UK GROUP) LIMITED | 01993598 | 08/08/2003 | 07/01/2015 | Dissolved |
| STERLING FLUID SYSTEMS (UK) LIMITED | 00340267 | 21/10/2004 | 24/01/2013 | Dissolved |