| 1 | PGR | Prestige Air Group LLC | Callsign: Prestige Air, | USA | AVCODES |
| 2 | PGR | Progressive Rail, Inc. | 7/2005; added 10/2005 | | NAKINA |
| 3 | PGR | PROGRESSIVE RAIL, INC. | | | PWRC |
| 4 | PGR | PROGRESSIVE RAIL | | | PWRC |
| 5 | PGR | Progressive Rail | | | RSRV |
| 6 | PGR | PROGRESSIVE RAIL INC | | | SCAC4 |
| 7 | PGR | Progressive Rail, Inc. | | USA | TRAFFIC |
| 8 | PGRA | PRIEST, GARRY TRUCKING LTD | | | SCAC4 |
| 9 | PGRB | PARADAS GROUP | | | SCAC4 |
| 10 | PGRC | PLACE, GEORGE C | | | SCAC3 |
| 11 | PGRC | P G R TRUCKING | | | SCAC4 |
| 12 | PGRF | PROGRESSIVE FREIGHT CARRIERS INC | | | SCAC3 |
| 13 | PGRG | PROTEUS GROUP | | | SCAC4 |
| 14 | PGRH | PAGELS, RICHARD TRUCKING INC | | | SCAC3 |
| 15 | PGRH | PAGELS, RICHARD TRUCKING INC | | | SCAC4 |
| 16 | PGRI | PELIXAN GROUP INC, THE | | | SCAC4 |
| 17 | PGRK | P & G TRUCKING | | | SCAC4 |
| 18 | PGRL | PEREGRINE LEASING INC | | | SCAC3 |
| 19 | PGRN | POULIN GRAIN INC | | | SCAC4 |
| 20 | PGRO | PACIFIC AGRO CO | | | SCAC3 |
| 21 | PGRO | PINE GROVE JCT LLC | | | SCAC4 |
| 22 | PGRQ | PROGRAMMED DELIVERY SERVICE | | | SCAC3 |
| 23 | PGRQ | PENDERGRASS TRANSPORTATION INC | | | SCAC4 |
| 24 | PGRS | PROGRESS RAIL SERVICES CORPORATION | | | SCAC4 |
| 25 | PGRV | Pigeon River R.R. Co. | added 1/1986; eliminated 7/1990; 1/1994-7/2005 | | NAKINA |
| 26 | PGRV | Pigeon River R.R. Co. | added 1/86; eliminated 7/90; 1/94-7/2000 | | NRHS |
| 27 | PGRV | PIGEON RIVER RAILROAD COMPANY | | | PWRC |
| 28 | PGRV | Pigeon River Railroad | | | RSRV |
| 29 | PGRV | PIGEON RIVER RAILROAD COMPANY | | | SCAC3 |
| 30 | PGRW | PRIEST, G W | | | SCAC3 |
| 31 | PGRW | PETTIGREW TRANSPORT INC | | | SCAC4 |
| 32 | PGRX | AmeriGas Propane, L.P. | added 10/1995; eliminated 4/1998; 7/2000-7/2005 (not listed) | | NAKINA |
| 33 | PGRX | Petrolane Gas Service Ltd. Partnership | added 7/1987; 1/1994; eliminated 10/1995 | | NAKINA |
| 34 | PGRX | Petrolane Gas Service, Inc. | added 10/1964; 7/1965-1/1980; eliminated 7/1987 | | NAKINA |
| 35 | PGRX | The Progressive Refrigerator Line (Merchants Despatch, Inc.) | 7/1935 | | NAKINA |
| 36 | PGRX | Procter & Gamble Refrigerator Line | 7/1930-7/1932 | | NAKINA |
| 37 | PGRX | Petrolane Gas Service, Inc. | 7/65-1/80; eliminated 7/87 | | NRHS |
| 38 | PGRX | Petrolane Gas Service Ltd. Partnership | added 7/87; 1/94; eliminated 10/95 | | NRHS |
| 39 | PGRX | AmeriGas Propane, L.P. | added 10/95; eliminated 4/98; 7/2000 | | NRHS |
| 40 | PGRX | PROCTER & GAMBLE REFRIGERATOR LINE | | | PWRC |
| 41 | PGRX | AMERIGAS PROPANE L.P. [PETROLANE GAS SERVICE LP] | | | PWRC |
| 42 | PGRX | AmeriGas Propane | | | RSRV |
| 43 | PGRX | PETROLANE GAS SERVICE INC | | | SCAC3 |
| 44 | PGRX | PETROLANE GAS SERVICE LIMITED PARTN | | | SCAC4 |
| 45 | PGRY | P G R TRANSPORTATION LLC | | | SCAC4 |
