| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Asa Technologies Ltd | 02511880 | 08/02/2006 | Dissolved |
| CTC AVIATION GROUP LIMITED | 03071634 | 27/05/2015 | Dissolved |
| CTC AVIATION HOLDINGS LIMITED | 08045536 | 27/05/2015 | Dissolved |
| CTC AVIATION INTERNATIONAL LIMITED | 08045500 | 27/05/2015 | Dissolved |
| CTC AVIATION SERVICES LIMITED | 03041442 | 27/05/2015 | Dissolved |
| CTC AVIATION TRAINING (UK) LIMITED. | 04507278 | 27/05/2015 | Dissolved |
| Titan Systems Solutions Uk Ltd | 03063392 | 30/08/2007 | Dissolved |
| Titan Systems Solutions Uk Ltd | 03063392 | 28/08/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRLINE PLACEMENT LIMITED | 05115193 | 27/05/2015 | 20/09/2019 | Bronze |
| INEOS AVIATION LIMITED | 02997841 | 27/05/2015 | 01/03/2017 | One Red Flag |
| L3HARRIS AUTONOMOUS SURFACE VEHICLES LIMITED | 03689515 | 18/09/2018 | 10/10/2019 | One Red Flag |
| L3HARRIS COMMERCIAL TRAINING SOLUTIONS LIMITED | 05815706 | 16/05/2006 | 20/09/2019 | Bronze |
| L3HARRIS CTS AIRLINE AND ACADEMY TRAINING LIMITED | 09592088 | 14/05/2015 | 20/09/2019 | One Red Flag |
| L3HARRIS FLIGHT DATA SERVICES LIMITED | 04041206 | 14/06/2019 | 20/09/2019 | Bronze |
| L3HARRIS GLOBAL HOLDING UK LTD | 09592037 | 14/05/2015 | 20/09/2019 | Insolvent |
| L3HARRIS INTERNATIONAL UK LTD | 09593987 | 15/05/2015 | 20/09/2019 | Dissolved |
| L3HARRIS INVESTMENTS UK HOLDINGS LTD | 11502462 | 06/08/2018 | 20/09/2019 | Dissolved |
| L3HARRIS MAPPS LIMITED | 05341813 | 22/07/2008 | 20/09/2019 | Bronze |
| L3HARRIS TECHNOLOGIES ASA LIMITED | 01730717 | 08/02/2006 | 20/09/2019 | Insolvent |
| L3HARRIS TECHNOLOGIES UK LIMITED | 11111631 | 14/12/2017 | 20/09/2019 | One Red Flag |
| L3HARRIS TECHNOLOGY & SERVICES UK LTD | 09592072 | 14/05/2015 | 20/09/2019 | Bronze |
| L3HARRIS TRENCHANT LTD | 09068202 | 31/08/2018 | 20/09/2019 | Bronze |
| L3HARRIS TRL ELECTRONICS LIMITED | 05113142 | 04/05/2007 | 20/09/2019 | Insolvent |
| L3HARRIS TRL TECHNOLOGY LIMITED | 01705039 | 04/05/2007 | 20/09/2019 | Gold |
| L3HARRIS UNLIMITED | 05804377 | 30/05/2006 | 20/09/2019 | Dissolved |
| LEIDOS INDUSTRIAL ENGINEERS LIMITED | 01707058 | 18/09/2018 | 20/09/2019 | Silver |
| LEIDOS SECURITY & AUTOMATION LIMITED | 02263923 | 22/11/2016 | 20/09/2019 | Insolvent |
| LEIDOS SECURITY DETECTION & AUTOMATION U.K. LTD. | 03385354 | 07/04/2011 | 20/09/2019 | Gold |