| 1 | PMI | Air Europa Express | Callsign: Air Regional, Ceased operations on 30 October 2001. | E | AVCODES |
| 2 | PMI | Primero Transportes Aereos, S.A. de C.V. | Callsign: Aereoprim, | MEX | AVCODES |
| 3 | PMIA | PARACLETE MANAGEMENT INC | | | SCAC4 |
| 4 | PMIC | PREMIERE INTERNATIONAL CORP | | | SCAC3 |
| 5 | PMIC | PANORIA MARITIME INC | | | SCAC4 |
| 6 | PMID | POOL MOVERS INC | | | SCAC4 |
| 7 | PMIE | PALOMINO EXPRESS NC | | | SCAC3 |
| 8 | PMIF | PAC MIN INCORPORATED | | | SCAC4 |
| 9 | PMIG | PMI TRUCKING INC | | | SCAC3 |
| 10 | PMIG | PICKEL-MEX/INDUS | | | SCAC4 |
| 11 | PMIH | PHOENIX MANAGEMENT INC | | | SCAC4 |
| 12 | PMII | POLAR MOTORSPORT INTERNATIONAL INC | | | SCAC4 |
| 13 | PMIK | PETERSON, MIKE TRUCKING INC | | | SCAC3 |
| 14 | PMIL | PMI LUMBER TRANSFER INC | | | SCAC3 |
| 15 | PMIM | Przedsiębiorstwo Komunikacji Samochodowej w Mińsku Mazowieckim | | PL | TRAFFIC |
| 16 | PMIN | PREMIER INTERMODAL INC | | | SCAC4 |
| 17 | PMIP | POSIDON MARITIME INC | | | SCAC4 |
| 18 | PMIQ | PREMIER LINES | | | SCAC3 |
| 19 | PMIQ | PARSONS MOTORSPORTS INC | | | SCAC4 |
| 20 | PMIR | PREMIER TRANSFER SERVICE INC | | | SCAC3 |
| 21 | PMIS | PRO MOVING SYSTEMS INC | | | SCAC3 |
| 22 | PMIT | PREMIER TRUCK LINES | | | SCAC3 |
| 23 | PMIT | PMI TRADING LTD | | | SCAC4 |
| 24 | PMIV | PIMA INVESTORS CORPORATION | | | SCAC3 |
| 25 | PMIX | The Mosaic Co. | added 7/2006 | | NAKINA |
| 26 | PMIX | Pittman Moore, Inc. | added 1/1994; 7/2000; eliminated 7/2003; 7/2005 (not listed) | | NAKINA |
| 27 | PMIX | Pittman Moore, Inc. | added 1/94; 7/2000 | | NRHS |
| 28 | PMIX | MOSAIC CO. [PITMAN-MOORE, INC.] | | | PWRC |
| 29 | PMIX | Pittman Moore | | | RSRV |
| 30 | PMIX | MOSAIC COMPANY, THE | | | SCAC4 |
| 31 | PMIY | PRIME MACHINE INC | | | SCAC4 |
