| 1 | | Obrero | leon |  MX | | | N/A | Pemex | N/A | Mexico, Distrito Federal, Mexico | Chemicals | N/A | +52 8007363900 |
| 2 | | Tecnico Automotriz O Sea Obrero | puebla | MX | | | N/A | Volkswagen De Mexico | N/A | Almecatla, Puebla, Mexico | Automotive | N/A | N/A |
| 3 | | Obrero | villahermosa | MX | N/A | | N/A | Pemex | N/A | Mexico, Distrito Federal, Mexico | Oil & Energy | N/A | +52 8007363900 |
| 4 | | Obrero | tampico | MX | N/A | | N/A | Pemex | N/A | Mexico, Distrito Federal, Mexico | Import and Export | N/A | +52 8007363900 |
| 5 | | Obrero | coatzacoalcos | MX | N/A | | N/A | Pemsa | N/A | Lutry, Vaud, Switzerland | Oil & Energy | N/A | +41 444934545 |
| 6 | | Obrero | puebla | MX | N/A | | N/A | Soriana | N/A | Monterrey, Nuevo Leon, Mexico | Marketing and Advertising | N/A | +52 5550628019 |
| 7 | | Obrero | reynosa | MX | N/A | | N/A | 4Front Engineered Solutions | N/A | Texas, United States | Mechanical or Industrial Engineering | N/A | N/A |
| 8 | | Obrero | guadalajara | MX | N/A | | N/A | Deacero | N/A | Mexico | Mining & Metals | N/A | +52 8008315700 |
| 9 | | Ayudante U Obrero | coatzacoalcos | MX | N/A | | N/A | Grupo R Exploración Marina, S.A. De C.V. | N/A | Virginia, Chiapas, Mexico | Mining & Metals | N/A | N/A |
| 10 | | Obrero | leon | MX | | N/A | N/A | Riama | N/A | Pozuelo De Alarcón, Madrid, Spain | Design | N/A | N/A |
| 11 | | Obrero | tlalnepantla | MX | | N/A | N/A | Bio Pappel Sab De Cv | N/A | Mexico City, Mexico | Paper & Forest Products | N/A | N/A |
| 12 | | Obrero | naucalpan | MX | | N/A | N/A | Sabritas | N/A | Mexico | Food Production | N/A | +52 3112116530 |
| 13 | | Obrero | lopez mateos | MX | | N/A | N/A | Dupont | N/A | Wilmington, Delaware, United States | Animation | Wilmington, Delaware, United States | +1 8005548662 |
| 14 | | Obrero | ecatepec | MX | | N/A | N/A | Pemex | N/A | Mexico, Distrito Federal, Mexico | Consumer Goods | N/A | +52 8007363900 |
| 15 | | Obrero En Pemex | tampico | MX | | N/A | N/A | Pemex | N/A | Mexico, Distrito Federal, Mexico | Oil & Energy | N/A | +52 8007363900 |
| 16 | | Obrero | saltillo | MX | | N/A | N/A | Ahmsa (Altos Hornos De Mexico S.A.B.) | N/A | Monclova, Coahuila, Mexico | Mechanical or Industrial Engineering | Monclova, Coahuila, Mexico | N/A |
| 17 | | Obrero | queretaro | MX | | N/A | N/A | Cemex | N/A | Monterrey, Nuevo Leon, Mexico | Libraries | N/A | +52 8183001000 |
| 18 | | Obrero | oaxaca | MX | | N/A | N/A | Pemex | N/A | Mexico, Distrito Federal, Mexico | Oil & Energy | N/A | +52 8007363900 |
| 19 | | Obrero | obregon | MX | | N/A | N/A | Alina Technologies | N/A | Plainfield, Illinois, United States | Information Technology and Services | N/A | N/A |
| 20 | | Obrero | veracruz | MX | | N/A | N/A | ! Pet Hoogeveen | N/A | Netherlands | Furniture | N/A | N/A |