Members
| Company | Paid 2025/2026 Annual Payment | |
| 1. | BP | Yes |
| 2. | Chevron | Yes |
| 3. | ConocoPhillips | Yes |
| 4. | Diamondback Energy | Yes |
| 5. | ExxonMobil | Yes |
| 6. | Occidental | Yes |
| 7. | Petrobras | Yes |
| 8. | Shell | Yes |
| 9. | Woodside | Yes |
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The University of Texas at Austin
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The University of Texas at Austin
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