| Pemex-Gas and Basic Petrochemicals | - | - | - | |
| KOT INSURANCE COMPANY AG | - | | - | |
| PEMEX EXPLORACION Y PRODUCCION EPS | - | | - | |
| P.M.I. TRADING DESIGNATED ACTIVITY COMPANY | - | | - | |
| P.M.I. Norteamérica, S.A. de C.V. | 100.0 | | - | |
| Pemex-Transformación Industrial | 100.00 | - | - | |
| PEMEX TRANSFORMACION INDUSTRIAL EPS | - | | - | |
| HIJOS DE J. BARRERAS SA | - | | - | |
| P.M.I. TRADING DESIGNATED ACTIVITY COMPANY | - | | - | |
| Deer Park Refining Limited Partnership | - | | - | |
| P.M.I. Comercio Internacional, S.A. de C.V. | - | | - | |
