| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CROFT COTTAGE LTD. | SC316702 | 16/02/2007 | Dissolved |
| CROFT COTTAGE LTD. | SC316702 | 16/02/2007 | Dissolved |
| Encon Realisations No 1 Ltd | 00998177 | 30/09/1992 | Dissolved |
| Encon Realisations No 2 Ltd | 01255011 | 30/09/1992 | Dissolved |
| Encon Realisations No 3 Ltd | 02517599 | 30/09/1992 | Dissolved |
| Gill Fire Protection Ltd | 02484396 | 11/11/1997 | Dissolved |
| Gill Insulation Staffordshire Ltd | 01999197 | 11/11/1997 | Dissolved |
| Talbot Insulation Co Ltd | 01822837 | 30/09/1992 | Dissolved |
| Talbot Thermatic Group Ltd | 01661849 | 30/09/1992 | Dissolved |
| Tuxpan Ltd | 02429170 | 14/06/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATION FOR THE CONSERVATION OF ENERGY LIMITED | 01650772 | 24/07/1991 | 01/07/1992 | Amber |
| ENCON GROUP LIMITED | 01584568 | 06/06/1992 | 22/10/2005 | Not Trading |
| ENCON HOLDINGS LIMITED | 03153060 | 14/05/1996 | 22/10/2005 | Not Trading |
| ENCON INSULATION LIMITED | 01377342 | 31/05/1992 | 22/10/2005 | Silver |
| ENCON INVESTMENTS LIMITED | 03455057 | 20/11/1997 | 22/10/2005 | Silver |
| ENCON LIMITED | 03411533 | 20/11/1997 | 22/10/2005 | Amber |
| ENCON MANUFACTURING LIMITED | 02337090 | 28/02/1996 | 22/10/2005 | Not Trading |
| ENCON RGS SOUTH WEST LIMITED | 02099981 | 12/07/2000 | 22/10/2005 | Not Trading |
| ENCONTRACTS LIMITED | 02511755 | 14/06/1992 | 22/10/2005 | Not Trading |
| EPSILON PARTITIONING SYSTEMS LIMITED | 04145047 | 16/02/2001 | 22/10/2005 | Not Trading |
| ETEX UK INSULATION LIMITED | 02160591 | 04/06/1992 | 16/08/2005 | Silver |
| Encon Insulation Services Ltd | 02331727 | 14/06/1992 | 04/02/1994 | Dissolved |
| Enconvertors Ltd | 01884305 | 30/05/1992 | 04/02/1994 | Dissolved |
| GILL CONTRACTS LIMITED | 01994138 | 14/06/1992 | 22/10/2005 | Not Trading |
| GILL INSULATION EASTERN LIMITED | 01985419 | 11/11/1997 | 22/10/2005 | Bronze |
| GILL INSULATION NOTTINGHAMSHIRE LIMITED | 02003539 | 11/11/1997 | 22/10/2005 | Gold |
| INGENIOUS FILM PARTNERS 2 LLP | OC314069 | 21/03/2006 | 06/04/2011 | Bronze |
| MIMA-UK LIMITED | 01937007 | 27/09/1996 | 20/12/2005 | Bronze |
| REFRACPAC LIMITED | SC060894 | 14/06/1990 | 28/01/1991 | Not Trading |
| SUPERGLASS SECTIONS LIMITED | 02095397 | 03/06/1992 | 22/10/2005 | Dissolved |
| Scotia Insulation Supplies Ltd | SC081203 | 13/09/1989 | 20/09/1989 | Dissolved |