| 1 | PAM | Phoenix Air Service GmbH | Callsign: Phoenix, | D | AVCODES |
| 2 | PAM | Map Linhas Aereas Ltda | IATA: 7M, Callsign: Map Air, | BR | AVCODES |
| 3 | PAM | Phoenix Air Service | | | ICAO1 |
| 4 | PAM | Pittsburgh, Allegheny & McKees Rocks R.R. Co. | 1/1975-1/1994; eliminated 1/1995; 7/2000 | | NAKINA |
| 5 | PAM | (PA&M) Pittsburgh, Allegheny & McKees Rocks R.R. Co. | 4/1970; eliminated 4/1989; 7/2005 | | NAKINA |
| 6 | PAM | (PA&M) Pittsburgh, Allegheny & McKees Rocks R.R. Co. | 4/70; eliminated 4/89 | | NRHS |
| 7 | PAM | Pittsburgh, Allegheny & McKees Rocks R.R. Co. | 1/75-1/94; eliminated 1/95; 7/2000 | | NRHS |
| 8 | PAM | PITTSBURGH, ALLEGHENY & MCKEES ROCKS RAILROAD CO. | | | PWRC |
| 9 | PAM | Pittsburgh, Allegheny and McKees Rocks Railroad | | | RSRV |
| 10 | PAM | PITTSBURGH ALLEGHENY & MCKEES ROCKS | | | SCAC4 |
| 11 | PAMA | PACKWAY MATERIALS INC | | | SCAC3 |
| 12 | PAMB | PROVINCIAL-AMERICAN TRUCK TRANSPORT | | | SCAC3 |
| 13 | PAMB | PAMBROS TRANSPORT CORP | | | SCAC4 |
| 14 | PAMC | PAN AMERICAN CONTAINER CORPORATION | | | SCAC3 |
| 15 | PAMC | PLASTICOS AMC DE MEXICO SA DE CV | | | SCAC4 |
| 16 | PAMD | PAN AMERICAN INDEPENDENT LINE | | | SCAC3 |
| 17 | PAMD | PALOMERA, DANIEL & SONS TRUCKING | | | SCAC4 |
| 18 | PAME | PAN AMERICAN MOTOR CARRIER ASSOCIAT | | | SCAC3 |
| 19 | PAME | PRODUCERS AGRICULTURAL MARKETING AS | | | SCAC4 |
| 20 | PAMF | PARKER MOTOR FREIGHT, INC | | | SCAC3 |
| 21 | PAMG | PALM TRUCKING DISTRIBUTORS INC | | | SCAC3 |
| 22 | PAMG | PARS MOULDING INC | | | SCAC4 |
| 23 | PAMH | PAPAKOSM | | | SCAC4 |
| 24 | PAMI | PALMERI TRANSPORTATION INC | | | SCAC3 |
| 25 | PAMJ | PAN-AMERICAN LINES | | | SCAC3 |
| 26 | PAMK | PAMCO INC | | | SCAC3 |
| 27 | PAML | P & M TRUCKING | | | SCAC3 |
| 28 | PAMM | P & M TRUCKING INC | | | SCAC3 |
| 29 | PAMM | PROUD AMERICAN TRANSPORT INC | | | SCAC4 |
| 30 | PAMN | PARK MOVING & STORAGE CO INC | | | SCAC3 |
| 31 | PAMO | PALM BEACH MOVING & STORAGE INC | | | SCAC3 |
| 32 | PAMP | PALM COAST TRANSPORTATION | | | SCAC3 |
| 33 | PAMP | P AND M TRUCKING CO LLC | | | SCAC4 |
| 34 | PAMQ | P A M TRUCKING | | | SCAC3 |
| 35 | PAMR | PAROMI S A DE C V | | | SCAC4 |
| 36 | PAMS | PACIFIC MOVING & STORAGE CORP | | | SCAC3 |
| 37 | PAMT | P A M TRANSPORT INC | | | SCAC3 |
| 38 | PAMT | P A M TRANSPORT INC | | | SCAC4 |
| 39 | PAMU | PAN ATLANTIC MAIL LINES, INC. | | | SCAC3 |
| 40 | PAMV | PALMISANO, RALPH MOVERS INC | | | SCAC3 |
| 41 | PAMV | PORTS AMERICA INC | | | SCAC4 |
| 42 | PAMW | PAM TRANSPORT CORPORATION | | | SCAC3 |
| 43 | PAMW | PAM TRANSPORT CORPORATION | | | SCAC4 |
| 44 | PAMX | Pacific Ammonia and Chemical Co. | 7/1923 | | NAKINA |
| 45 | PAMX | PACIFIC AMMONIA & CHEMICAL CO. | | | PWRC |
| 46 | PAMY | PARAMOUNT TRUCKING INC | | | SCAC4 |
