| 役員 | HGS METERING LIMITED | 🇬🇧United Kingdom | アクティブ | 29/04/2026 – 31/03/2016 |
| 役員 | NATIONAL GRID PARTNERS LIMITED | — | アクティブ | 01/05/2026 – 01/03/2016 |
| 役員 | NATIONAL GRID PARTNERS LIMITED | — | アクティブ | 01/05/2026 – 01/03/2016 |
| 役員 | NATIONAL GRID ENERGY METERING LIMITED | — | アクティブ | 05/05/2026 – 24/03/2016 |
| 役員 | NATIONAL GRID WILLIAM LIMITED | — | アクティブ | 26/05/2026 – 18/02/2016 |
| 役員 | NATIONAL GRID IFA 2 LIMITED | — | アクティブ | 09/05/2026 – 31/03/2016 |
| 役員 | NATIONAL GRID IFA 2 LIMITED | — | アクティブ | 09/05/2026 – 17/07/2014 |
| 役員 | NATIONAL GRID VIKING LINK LIMITED | — | アクティブ | 10/05/2026 – 24/06/2014 |
| 役員 | NATIONAL GRID VIKING LINK LIMITED | — | アクティブ | 10/05/2026 – 31/03/2016 |
| 役員 | THE NATIONAL GRID GROUP QUEST TRUSTEE COMPANY LIMITED | 🇬🇧United Kingdom | 清算 | 01/01/2026 – 09/03/2016 |
| 役員 | NG NOMINEES LIMITED | 🇬🇧United Kingdom | 清算 | 01/01/2026 – 01/03/2016 |
| 役員 | NATIONAL GRID ELECTRICITY GROUP TRUSTEE LIMITED | — | アクティブ | 19/05/2026 – 01/03/2016 |
| 役員 | NGC EMPLOYEE SHARES TRUSTEE LIMITED | 🇬🇧United Kingdom | 清算 | 17/12/2025 – 17/03/2016 |
| 役員 | NATIONAL GRID NORTH SEA LINK LIMITED | — | アクティブ | 19/05/2026 – 30/11/2013 |
| 役員 | NEMO LINK LIMITED | — | アクティブ | 18/05/2026 – 30/11/2013 |
| 役員 | NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITED | — | アクティブ | 18/05/2026 – 29/05/2013 |
| 役員 | NATIONAL GRID VENTURES LIMITED | — | アクティブ | 19/05/2026 – 30/11/2013 |
| 役員 | NATIONAL GRID WILLIAM LIMITED | — | アクティブ | 26/05/2026 – 04/11/2014 |
| 役員 | CARBON SENTINEL LIMITED | — | アクティブ | 19/05/2026 – 01/02/2013 |
| 役員 | NGP(IM7S)SUB LIMITED | 🇬🇧United Kingdom | 溶解 | 25/05/2026 – プレゼント |
| 役員 | NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITED | — | アクティブ | 18/05/2026 – 31/03/2016 |
| 役員 | NEMO LINK LIMITED | — | アクティブ | 18/05/2026 – 01/03/2016 |
| 役員 | CARBON SENTINEL LIMITED | — | アクティブ | 19/05/2026 – 31/03/2016 |
| 役員 | NATIONAL GRID VENTURES LIMITED | — | アクティブ | 19/05/2026 – 31/03/2016 |
| 役員 | NATIONAL GRID NORTH SEA LINK LIMITED | — | アクティブ | 19/05/2026 – 31/03/2016 |
| 役員 | NATIONAL GRID TWENTY SEVEN LIMITED | — | アクティブ | 20/05/2026 – 18/02/2016 |
| 役員 | NATIONAL GRID TWENTY EIGHT LIMITED | — | アクティブ | 20/05/2026 – 18/02/2016 |
| 役員 | NATIONAL GRID TWENTY-FIVE LIMITED | — | 溶解 | 26/05/2026 – 08/03/2016 |
| 役員 | NATGRIDTW1 LIMITED | — | アクティブ | 24/05/2026 – 08/03/2016 |
| 役員 | STARGAS NOMINEES LIMITED | 🇬🇧United Kingdom | アクティブ | 08/01/2026 – 08/03/2016 |
| 役員 | NG NOMINEES LIMITED | 🇬🇧United Kingdom | 清算 | 01/01/2026 – 01/03/2016 |
| 役員 | GRAIN LNG LIMITED | 🇬🇧United Kingdom | アクティブ | 10/12/2025 – 01/03/2016 |
