| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A.S.E.P. (UK) LIMITED | SC124182 | 06/08/2013 | Dissolved |
| AG HOLDING UK | SC281461 | 06/08/2013 | Dissolved |
| AMERON (UK) LIMITED | 03536297 | 06/08/2013 | Dissolved |
| ANDERGAUGE LIMITED | SC101482 | 06/08/2013 | Dissolved |
| APL (UK) LIMITED | SC295399 | 06/08/2013 | Dissolved |
| CAMCO DRILLING GROUP LIMITED | NI020719 | 06/08/2013 | Dissolved |
| CHARGEWOOD LIMITED | SC146346 | 06/08/2013 | Dissolved |
| CHEMINEER, LIMITED | 01073590 | 06/08/2013 | Dissolved |
| DRECO EUROPE LIMITED | 02633347 | 06/08/2013 | Dissolved |
| DRECO LIMITED | 01936446 | 06/08/2013 | Dissolved |
| ENERGY EQUIPMENT CORPORATION LIMITED | 06024712 | 06/08/2013 | Dissolved |
| FORTH VALLEY ENGINEERING LIMITED | SC262692 | 06/08/2013 | Dissolved |
| HITEC DRECO LIMITED | 02728513 | 06/08/2013 | Dissolved |
| HYDRALIFT HOLDINGS UK LIMITED | 03121604 | 06/08/2013 | Dissolved |
| MERPRO GROUP LIMITED | SC067714 | 06/08/2013 | Dissolved |
| MERPRO LIMITED | SC128545 | 06/08/2013 | Dissolved |
| MERPRO MACHINING & THREADING LIMITED | SC113722 | 06/08/2013 | Dissolved |
| MERPRO PRODUCTS LIMITED | SC137079 | 06/08/2013 | Dissolved |
| MERPRO TORTEK LIMITED | SC135185 | 06/08/2013 | Dissolved |
| NOV FLEXIBLES UK LTD | SC283907 | 06/08/2013 | Dissolved |
| NOV GROUP HOLDINGS LIMITED | SC410565 | 06/08/2013 | Dissolved |
| NOV MISSION PRODUCTS UK LIMITED | 01568843 | 06/08/2013 | Dissolved |
| NOV UK AICB LTD | SC436653 | 06/08/2013 | Dissolved |
| NOV UK HOLDINGS LIMITED | SC379244 | 06/08/2013 | Dissolved |
| PROCON ENGINEERING LIMITED | 01201645 | 06/08/2013 | Dissolved |
| ROBBINS & MYERS HOLDINGS UK LIMITED | 02757423 | 06/08/2013 | Dissolved |
| TECHDRILL LIMITED | 04190303 | 06/08/2013 | Dissolved |
| TUBOSCOPE HOLDINGS LIMITED | SC169672 | 06/08/2013 | Dissolved |
| VARCO UK ACQUISITIONS LIMITED | SC217025 | 06/08/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAPITAL VALVES HOLDINGS LIMITED | 07193512 | 06/08/2013 | 27/06/2014 | Dissolved |
| CAPITAL VALVES LIMITED | 01339812 | 06/08/2013 | 27/06/2014 | Dissolved |
| CHEMICAL REACTOR SERVICES LIMITED | 01388817 | 06/08/2013 | 30/12/2014 | Dissolved |
| CONEMSCO LIMITED | 01084374 | 06/08/2013 | 27/06/2014 | Dissolved |
| DNOW UK LIMITED | SC436654 | 06/08/2013 | 27/06/2014 | Not Trading |
| MONO GROUP PENSION TRUSTEES LIMITED | SC109421 | 06/08/2013 | 17/05/2024 | Not Trading |
| NATIONAL OILWELL (U.K.) LIMITED | 00108781 | 06/08/2013 | 17/05/2024 | Not Trading |
| NATIONAL OILWELL VARCO UK LIMITED | 00873028 | 06/08/2013 | 17/05/2024 | Silver |
| NOV DOWNHOLE EURASIA LIMITED | 04514250 | 06/08/2013 | 17/05/2024 | Silver |
| NOV ELMAR (MIDDLE EAST) LIMITED | SC151883 | 06/08/2013 | 17/05/2024 | Gold |
| NOV INTELLISERV UK LIMITED | SC406962 | 06/08/2013 | 17/05/2024 | Bronze |
| NOV PROCESS & FLOW TECHNOLOGIES UK LIMITED | 00300721 | 06/08/2013 | 17/05/2024 | Silver |
| NOV UK (ANGOLA ACQUISITIONS) LIMITED | SC374958 | 06/08/2013 | 17/05/2024 | Strike Off |
| NOV UK FINANCE LIMITED | 04509138 | 06/08/2013 | 17/05/2024 | Strike Off |
| PFAUDLER LIMITED | 02197267 | 06/08/2013 | 30/12/2014 | Silver |
| PFAUDLER-BALFOUR LIMITED | 02100687 | 06/08/2013 | 30/12/2014 | Dissolved |
| PFAULDER PROCESS SOLUTIONS GROUP STONEHOUSE LTD | 02675487 | 06/08/2013 | 30/12/2014 | Dissolved |
| REEDHYCALOG UK LTD | NI029047 | 06/08/2013 | 17/05/2024 | Not Trading |
| TUBOSCOPE VETCO CAPITAL LIMITED | SC147084 | 06/08/2013 | 17/05/2024 | One Red Flag |
| WILSON UNITED KINGDOM LIMITED | 00885990 | 06/08/2013 | 27/06/2014 | Dissolved |