| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| SPP PUMPS LIMITED | 04839607 | 29/10/2018 | Gold |
| STERLING FLUID SYSTEMS LTD | NF003412 | 11/08/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUA CAPITAL LIMITED | 00248695 | 31/12/1991 | 31/03/2002 | Dissolved |
| BRITISH PUMP MANUFACTURERS ASSOCIATION LIMITED | 06936735 | 17/06/2009 | 01/05/2012 | Bronze |
| Berkefeld (Uk) Ltd | 03360190 | 28/11/1997 | 01/02/2002 | Dissolved |
| Berkefeld Filter Ltd | 03360131 | 28/11/1997 | 01/02/2002 | Dissolved |
| DARWINS HOLDINGS LIMITED | 00594788 | 17/11/1993 | 19/06/2000 | Insolvent |
| LABOUR PUMP COMPANY LIMITED | 00331470 | 17/11/1993 | 31/03/2002 | Insolvent |
| Labour Pump Co Ltd | 02683040 | 28/01/1992 | 31/03/2002 | Dissolved |
| ROTASERVE LIMITED | 04890277 | 15/10/2003 | 30/06/2015 | Not Trading |
| S P P (1331250) Ltd | 01331250 | 31/12/1991 | 13/04/1992 | Dissolved |
| S P P (171,630) Ltd | 00171630 | 31/12/1991 | 13/04/1992 | Dissolved |
| S P P Controls Ltd | 02683035 | 28/01/1992 | 31/03/2002 | Dissolved |
| S P P Fire Ltd | 03118613 | 25/04/1996 | 31/03/2002 | Dissolved |
| S P P Ltd | 02359366 | 31/12/1991 | 31/03/2002 | Dissolved |
| SPP PUMPS LIMITED | 04839607 | 27/08/2003 | 30/06/2015 | Gold |
| STERLING FLUID SYSTEMS (UK GROUP) LIMITED | 01993598 | 31/12/1991 | 31/03/2002 | Dissolved |
| STERLING FLUID SYSTEMS (UK) LIMITED | 00340267 | 26/11/1996 | 21/07/2000 | Dissolved |
| Spp Projects Ltd | 00427099 | 31/12/1991 | 31/03/2002 | Dissolved |
| Sterling Fluid Projects (Uk Holdings) Ltd | 03113125 | 25/04/1996 | 31/03/2002 | Dissolved |
| Sterling Fluid Projects Ltd | 00171746 | 31/12/1991 | 31/03/2002 | Dissolved |
| Sterling Fluid Systems Ltd | 03118576 | 25/04/1996 | 31/03/2002 | Dissolved |