| 5701 | PMCB | PIPER MOTOR COMPANY INC | | | SCAC3 |
| 5702 | PMCB | P & M LOGISTICS INC | | | SCAC4 |
| 5703 | PMCC | PRIME CONTRACT CARRIER INCORPORATED | | | SCAC3 |
| 5704 | PMCC | PORTLINE TRANSPORTES MARITIMOS INTE | | | SCAC4 |
| 5705 | PMCD | P M C DISTRIBUTORS INC | | | SCAC3 |
| 5706 | PMCD | PRAIRIE MUD & CHEMICAL SERVICE LTD | | | SCAC4 |
| 5707 | PMCF | PLUM CREEK FARMS | | | SCAC4 |
| 5708 | PMCG | P & M CARTAGE INC | | | SCAC3 |
| 5709 | PMCH | PAPER MARKET CORP | | | SCAC4 |
| 5710 | PMCJ | PACIFIC MULTIMODAL CORP | | | SCAC4 |
| 5711 | PMCK&Y | PITTSBURGH, MCKEESPORT & YOUGHIOGHENY | | | PWRC |
| 5712 | PMCKY | Pittsburgh, McKeesport & Youghiogheny | Real: PMCK&Y | USA | TRAFFIC |
| 5713 | PMCL | PENETANG-MIDLAND COACH LINES LIMITE | | | SCAC3 |
| 5714 | PMCL | PLAINS MIDSTREAM CANADA ULC | | | SCAC4 |
| 5715 | PMCM | PM CARRIER SERVICES | | | SCAC3 |
| 5716 | PMCN | P M C INC | | | SCAC3 |
| 5717 | PMCO | P M C INDUSTRIES | | | SCAC3 |
| 5718 | PMCO | PRIME CONTRACT CARRIER INCORPORATED | | | SCAC4 |
| 5719 | PMCP | P & M CEDAR PRODUCTS INC | | | SCAC3 |
| 5720 | PMCQ | P M C DISTRIBUTION CORPORATION | | | SCAC4 |
| 5721 | PMCR | POLYMER MACHINERY CORPORATION | | | SCAC3 |
| 5722 | PMCR | PUMPCRETE | | | SCAC4 |
| 5723 | PMCS | PALMER MOTOR COACH SERVICE INC | | | SCAC3 |
| 5724 | PMCS | P & M CARRIERS | | | SCAC4 |
| 5725 | PMCT | PMC TRANSPORTATION COMPANY INC | | | SCAC4 |
| 5726 | PMCU | PACIFIC MEXICO CONTAINER LINES, INC | | | SCAC3 |
| 5727 | PMCU | PACIFIC MEXICO CONTAINER LINES INC | | | SCAC4 |
| 5728 | PMCV | PACIFIC MULTIMODAL CORP | | | SCAC4 |
| 5729 | PMCW | PYXIS MARITIME CORP | | | SCAC4 |
| 5730 | PMCX | Plateau Mining Co. | added 7/1979; 1/1980; eliminated 4/1987; 1/1994 (not listed) | | NAKINA |
| 5731 | PMCX | Peterson Manufacturing Co., Inc. | 1/1950-10/1957; eliminated 10/1959 | | NAKINA |
| 5732 | PMCX | Paper Makers Chemical Corp., Ltd. | 7/1937-4/1938 | | NAKINA |
| 5733 | PMCX | Paper Makers Chemical Corp. | 7/1930-7/1935 | | NAKINA |
| 5734 | PMCX | Western Paper Makers Chemical Co. | 8/1920-7/1923 | | NAKINA |
| 5735 | PMCX | Paper Makers Chemical Corp., Ltd. | Apr-38 | | NRHS |
| 5736 | PMCX | Peterson Manufacturing Co., Inc. | 1/52-10/57; eliminated 10/59 | | NRHS |
| 5737 | PMCX | Plateau Mining Co. | added 7/79; 1/80; eliminated 4/87; 1/94 | | NRHS |
| 5738 | PMCX | *PAPER MAKERS CHEMICAL CORP., LTD. [WESTERN PAPER MAKERS CHEMICAL CO.] | | | PWRC |
| 5739 | PMCX | *PETERSON MANUFACTURING CO., INC. | | | PWRC |
| 5740 | PMCX | *PLATEAU MINING COMPANY | | | PWRC |
| 5741 | PMCY | PANORAMA MANAGEMENT COMPANY LTD | | | SCAC3 |
| 5742 | PMCY | PRIMCO LTD | | | SCAC4 |
| 5743 | PMDA | PAMIDA INC | | | SCAC3 |
| 5744 | PMDC | PM DISTRIBUTING COMPANY INC | | | SCAC3 |
| 5745 | PMDE | P A M DEDICATED SERVICES INC | | | SCAC4 |
| 5746 | PMDI | P & M DISTRIBUTION CENTER INC | | | SCAC3 |
| 5747 | PMDK | PYRAMID TRUCKING LLC | | | SCAC4 |
| 5748 | PMDL | PITTSBURGH MAIL DELIVERY INC | | | SCAC3 |
| 5749 | PMDM | PIRAMYD MOVER SERVICE INC | | | SCAC4 |
| 5750 | PMDN | PERMA LINER INDRUSTRIES INC | | | SCAC4 |
| 5751 | PMDP | Plzenské Méstské Dopravni Podniky | City: Plzen | CZ | TRAFFIC |
| 5752 | PMDQ | PROMISED LAND INC | | | SCAC4 |
| 5753 | PMDT | PAPER TRANSPORT INC (INTERMODAL DIV | | | SCAC4 |
| 5754 | PMDW | PEORIA MIDWEST TRANSPORTATION SERVI | | | SCAC3 |
| 5755 | PME | Premair Flying Club Ltd. | Callsign: Adur, | GB | AVCODES |
| 5756 | PME | Premiair Fliyng Club | | | ICAO1 |
| 5757 | PMEC | PALMETTO COACH | | | SCAC3 |
| 5758 | PMED | PHD MEDICAL | | | SCAC4 |
| 5759 | PMEF | PMEX | | | SCAC3 |
| 5760 | PMEG | PRATT & MILLER ENGINEERING & FABRIC | | | SCAC4 |
| 5761 | PMEH | P M EXPRESS | | | SCAC3 |
| 5762 | PMEI | PIEDMONT EXPRESS INC | | | SCAC3 |
| 5763 | PMEI | PIEDMONT EXPRESS INC | | | SCAC4 |
| 5764 | PMEJ | PLATTSBURGH MEMORIAL | | | SCAC4 |
| 5765 | PMEL | P M E LTD | | | SCAC3 |
| 5766 | PMEL | PRIME LOGISTICS LLC | | | SCAC4 |
| 5767 | PMEN | P & M ENTERPRISES | | | SCAC3 |
| 5768 | PMEO | PALMETTO TRANSPORT INC | | | SCAC4 |
| 5769 | PMEP | P M EXPRESS INC | | | SCAC3 |
| 5770 | PMEP | PRIME PASTRIES | | | SCAC4 |
| 5771 | PMES | PHOENIX MOTOR EXPRESS INC OF TEXAS | | | SCAC3 |
| 5772 | PMET | P M E TRUCKING INC | | | SCAC3 |
| 5773 | PMEX | Petroleos Mexicanos | 1/1941-1/1980; eliminated 10/1990; 1/1994 (not listed) | | NAKINA |
| 5774 | PMEX | PETROLEOS MEXICANOS | | | PWRC |
| 5775 | PMEX | PETROLEOS MEXICANOS | | | SCAC3 |
| 5776 | PMF | Promotora Alfestival, S.A. de C.V. | Callsign: Alfestival, | MEX | AVCODES |
| 5777 | PMFD | PREMIER DELIVERY, INC | | | SCAC3 |
| 5778 | PMFE | PETROMIZE | | | SCAC4 |
| 5779 | PMFF | PINNACLE MOTOR FREIGHT INC | | | SCAC4 |
| 5780 | PMFG | PETERSEN MFG CO INC | | | SCAC3 |
| 5781 | PMFG | PETERSEN MANUFACTURING CO INC | | | SCAC4 |
| 5782 | PMFJ | PRICE MANUFACTURING CORP | | | SCAC4 |
| 5783 | PMFL | PAM FUELS INC | | | SCAC3 |
| 5784 | PMFO | PRIME FLORAL | | | SCAC4 |
| 5785 | PMFQ | PIEDMONT MOUNTAIN FREIGHT LINES | | | SCAC3 |
| 5786 | PMFQ | PREMO FOODS | | | SCAC4 |
| 5787 | PMFR | PRIME AMERICA FREIGHT SYSTEMS, INC | | | SCAC3 |
| 5788 | PMFR | PRIME AMERICA LOGISTICS INC | | | SCAC4 |
| 5789 | PMFS | PM FARMS | | | SCAC4 |
| 5790 | PMFV | PMF LARIVIERE | | | SCAC4 |
| 5791 | PMGA | PMG TRUCKING | | | SCAC4 |
| 5792 | PMGC | PRODUCT MANAGEMENT CANADA INC | | | SCAC4 |
| 5793 | PMGE | PRIME STORAGE LLC | | | SCAC4 |
| 5794 | PMGG | PROMOTIONAL MANAGEMENT GROUP INC | | | SCAC4 |
| 5795 | PMGM | PITTMAN, GLEN | | | SCAC4 |
| 5796 | PMGN | PREMIER LIGHTING | | | SCAC4 |
| 5797 | PMGQ | POWDER MAGIC LLC | | | SCAC4 |
| 5798 | PMGS | PMG & SONS TRUCKING CORPORATION | | | SCAC3 |
| 5799 | PMGT | P M G TRANSPORT INC | | | SCAC3 |
| 5800 | PMGX | Pacific Metal, Ltd. | 7/2000-7/2005 (not listed) | | NAKINA |
