| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DARCHEM ENGINEERING LIMITED | SC144767 | 02/10/2019 | Gold |
| DARCHEM HOLDINGS LIMITED | 03966333 | 02/10/2019 | Silver |
| EST DEFENCE COMPANY UK LIMITED | 00675623 | 02/10/2019 | Not Trading |
| ESTERLINE ACQUISITION LIMITED | 05720105 | 02/10/2019 | One Red Flag |
| ESTERLINE TECHNOLOGIES ACQUISITION LIMITED | 04759585 | 02/10/2019 | Dissolved |
| ESTERLINE TECHNOLOGIES EUROPE LIMITED | 06787209 | 02/10/2019 | Bronze |
| ESTERLINE TECHNOLOGIES GLOBAL LIMITED | 09002080 | 02/10/2019 | Silver |
| ESTERLINE TECHNOLOGIES HOLDINGS LIMITED | 05148070 | 02/10/2019 | Amber |
| ESTERLINE TECHNOLOGIES UNLIMITED | 03837209 | 02/10/2019 | Gold |
| LEACH INTERNATIONAL UK LIMITED | 01026277 | 02/10/2019 | Silver |
| PRESSURE SYSTEMS INTERNATIONAL LIMITED | 02858303 | 02/10/2019 | Bronze |
| TA MFG LIMITED | 01979171 | 02/10/2019 | Silver |
| TDG DART LIMITED | 14044485 | 13/04/2022 | Silver |
| TMD HOLDINGS LIMITED | 05431613 | 06/06/2024 | Silver |
| TMD TECHNOLOGIES LTD | 14957224 | 06/06/2024 | Bronze |
| TRANSDIGM MICROWAVE LIMITED | 07649574 | 02/10/2019 | Silver |
| WESTON AEROSPACE LIMITED | 04740406 | 02/10/2019 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRBORNE SYSTEMS GROUP LIMITED | 04317894 | 10/10/2019 | 10/10/2019 | Insolvent |
| AIRBORNE SYSTEMS HOLDINGS LIMITED | 04847704 | 10/10/2019 | 10/10/2019 | Insolvent |
| AIRBORNE UK ACQUISITION LIMITED | 07131071 | 10/10/2019 | 10/10/2019 | Insolvent |
| CPI TMD TECHNOLOGIES LIMITED | 00952502 | 06/06/2024 | 06/06/2024 | Gold |
| RACAL ACOUSTICS LIMITED | 05019038 | 02/10/2019 | 29/01/2021 | Gold |