2015–present

| Current assets: Aera Energy | Esso | Exxon | Federal Oil (Indonesia) | Imperial Oil (Canada) | Mobil (1) | Synergy | XTO Energy Former/defunct assets: |

| Current assets: Aera Energy | Esso | Exxon | Federal Oil (Indonesia) | Imperial Oil (Canada) | Mobil (1) | Synergy | XTO Energy Former/defunct assets: |