| 1 | PMX | Petroleos Mexicanos | Callsign: Pemex, | MEX | AVCODES |
| 2 | PMX | Pambele Aviation (Pty) Ltd. | Callsign: Pambele, Established in 2005 as Jemax Aviation. Subsidiary to Pambele Investments (Pty) Ltd. | ZA | AVCODES |
| 3 | PMX | Petroleos Mexicanos | | | ICAO1 |
| 4 | PMX | Phosphate Mining Co. | 1/1941-1/1946 | | NAKINA |
| 5 | PMX | PHOSPHATE MINING CO. | | | PWRC |
| 6 | PMXB | PMT EXPRESS LLC | | | SCAC4 |
| 7 | PMXC | PHOENIX MINORITY TRANSPORT INC | | | SCAC4 |
| 8 | PMXD | PRO MAX TRANSPORT LTD | | | SCAC4 |
| 9 | PMXE | PMT TRANSPORT LLC | | | SCAC4 |
| 10 | PMXF | PAMAR EXPRESS | | | SCAC4 |
| 11 | PMXG | PRIMEMA | | | SCAC4 |
| 12 | PMXH | PRECISION MOTOR TRANSPORT GROUP LLC | | | SCAC4 |
| 13 | PMXI | PALMEX INC | | | SCAC4 |
| 14 | PMXK | PMX ASSET MANAGEMENT INC | | | SCAC4 |
| 15 | PMXL | PAYSEUR MOTOR EXPRESS LINES INC | | | SCAC3 |
| 16 | PMXM | PRIME TRANSPORT | | | SCAC4 |
| 17 | PMXN | PRIMO EXPRESS LINE INC | | | SCAC4 |
| 18 | PMXP | PM EXPRESS LINES INC | | | SCAC4 |
| 19 | PMXR | PUMA EXPRESS LLC | | | SCAC4 |
| 20 | PMXS | PLATINUM EXPRESS INC | | | SCAC4 |
| 21 | PMXT | PRIMEX TRANSPORT CORPORATION | | | SCAC4 |
| 22 | PMXU | PSI TIRE SUPPLY LLC | | USA | BIC |
| 23 | PMXV | PREMIER TRANSPORTATION SERVICES INC | | | SCAC4 |
| 24 | PMXW | PROMAXX 2007 INC | | | SCAC4 |
| 25 | PMXY | PM EXPRESS | | | SCAC4 |
