| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ESSO EXPLORATION AND PRODUCTION UK LIMITED | 00207426 | 05/03/2018 | 01/02/2021 | Silver |
| ESSO PETROLEUM COMPANY,LIMITED | 00026538 | 05/03/2018 | 01/02/2021 | Silver |
| ESSO PROPERTY MANAGEMENT COMPANY, LIMITED | 00157038 | 05/03/2018 | 01/02/2021 | Insolvent |
| ESSO UK LIMITED | 01589650 | 05/03/2018 | 01/02/2021 | Gold |
| EXXONMOBIL CHEMICAL INVESTMENT COMPANY LIMITED | 10417105 | 02/03/2018 | 01/02/2021 | Silver |
| EXXONMOBIL FINANCE COMPANY LIMITED | 05298032 | 02/03/2018 | 01/02/2021 | Bronze |
| EXXONMOBIL FINANCIAL INVESTMENT COMPANY LIMITED | 10515323 | 02/03/2018 | 01/02/2021 | Bronze |
| EXXONMOBIL GAS MARKETING EUROPE LIMITED | 02517230 | 05/03/2018 | 02/07/2018 | Silver |
| EXXONMOBIL HOLDING COMPANY LIMITED | 08559280 | 02/03/2018 | 01/02/2021 | Silver |
| EXXONMOBIL HONG KONG INVESTMENTS LIMITED | 11029506 | 02/03/2018 | 01/02/2021 | Bronze |
| EXXONMOBIL INTERNATIONAL LIMITED | 03834848 | 05/03/2018 | 01/02/2021 | Silver |
| EXXONMOBIL INVESTMENT COMPANY LIMITED | 05298041 | 02/03/2018 | 01/02/2021 | Silver |
| EXXONMOBIL OIL INDONESIA INC. | FC027215 | 07/03/2018 | 01/02/2021 | Amber |
| EXXONMOBIL UK HOLDINGS COMPANY LIMITED | 12434018 | 30/01/2020 | 01/02/2021 | Amber |
| EXXONMOBIL UK HOLDINGS INTERNATIONAL COMPANY LIMITED | 12434145 | 30/01/2020 | 01/02/2021 | Silver |
| EXXONMOBIL UK LIMITED | 03897351 | 02/03/2018 | 01/02/2021 | Gold |
| MOBIL EXPLORATION INDONESIA INC. | FC027213 | 07/03/2018 | 01/02/2021 | Silver |
| MOBIL TRADING AND SUPPLY LIMITED | 00617078 | 05/03/2018 | 01/02/2021 | Insolvent |
| NEO ENERGY NATURAL RESOURCES LIMITED | 13018823 | 15/11/2020 | 01/02/2021 | One Red Flag |
| SOUTH HOOK LNG TERMINAL COMPANY LTD. | 04982132 | 02/08/2018 | 01/02/2021 | Gold |
| XTO UK, LTD | 05458042 | 05/03/2018 | 01/02/2021 | Bronze |