| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aztec Drilling Co. Limited | 02643645 | 21/08/1992 | Dissolved |
| Baltic Energy Services Ltd | 04557859 | 09/10/2002 | Dissolved |
| Intershelf Marine Ltd | 02805554 | 02/06/1993 | Dissolved |
| J P KENNY CORPORATION LIMITED | 04488968 | 18/11/2015 | Dissolved |
| J P KENNY INTERSHELF LIMITED | 02331480 | 26/06/1991 | Dissolved |
| Jkx Hungary Ltd | 05268527 | 25/10/2004 | Dissolved |
| Jkx Ukrainian Investments Ltd | 05707423 | 13/02/2006 | Dissolved |
| KENNY SEATEAM LIMITED | 02968790 | 09/12/1994 | Dissolved |
| Knowledge Engineers Ltd | 02057007 | 31/12/1990 | Dissolved |
| MID ASIAN GAS LTD | 04812587 | 26/06/2003 | Dissolved |
| Total Rental Services Ltd | 03123411 | 16/08/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BALTIC ENERGY TRADING LTD | 04328463 | 26/11/2001 | 28/01/2016 | Silver |
| C I S Information Publishing Ltd | 02678256 | 16/01/1993 | 10/03/1995 | Dissolved |
| EURODRIL LIMITED | 02889306 | 31/01/1998 | 28/01/2016 | Amber |
| Endak Ltd | 02149587 | 26/06/1991 | 01/07/2001 | Dissolved |
| J P KENNY TECHNOLOGY LIMITED | 01905854 | 31/12/1991 | 31/12/1995 | Dissolved |
| JKX (MIDDLE EAST) LIMITED | 09119936 | 08/07/2014 | 28/01/2016 | Dissolved |
| JKX (UKRAINE) LIMITED | 04812579 | 26/06/2003 | 28/01/2016 | Silver |
| JKX BULGARIA LIMITED | 05326841 | 07/01/2005 | 28/01/2016 | Dissolved |
| JKX GEORGIA LTD | 04448313 | 27/05/2002 | 28/01/2016 | Silver |
| JKX LIMITED | 02976597 | 31/01/1998 | 28/01/2016 | Not Trading |
| JKX OIL & GAS LIMITED | 03050645 | 31/01/1998 | 28/01/2016 | Silver |
| JKX SERVICES LIMITED | 02940816 | 31/01/1998 | 28/01/2016 | One Red Flag |
| JP KENNY EXPLORATION & PRODUCTION LIMITED | 02379247 | 06/05/1991 | 03/07/1991 | Bronze |
| JP KENNY EXPLORATION & PRODUCTION LIMITED | 02379247 | 31/01/1998 | 28/01/2016 | Bronze |
| PAGE GAS LTD | 04812599 | 26/06/2003 | 28/01/2016 | Amber |
| ROCKHOPPER CIVITA LIMITED | 03942212 | 04/04/2001 | 27/02/2008 | One Red Flag |
| T R S (WALES) LIMITED | 03848857 | 12/10/1999 | 05/03/2009 | Dissolved |
| TRANS-EUROPEAN ENERGY SERVICES LIMITED | 03117552 | 31/01/1998 | 28/01/2016 | Bronze |
| WGD020 LIMITED | 02331089 | 26/06/1991 | 31/12/1995 | Dissolved |
| WOOD GROUP KENNY CORPORATE LIMITED | SC147353 | 06/11/1993 | 31/12/1997 | Silver |
| WOOD GROUP KENNY LIMITED | 01398385 | 31/12/1991 | 31/12/1997 | Amber |
| WOOD GROUP KENNY UK LIMITED | 02331383 | 26/06/1991 | 31/12/1995 | Amber |