| 1 | PLY | Puma Air Linhas Aereas | Name changed to Puma Linhas Aereas Ltda | BR | AVCODES |
| 2 | PLY | Puma Linhas Aereas Ltda | IATA: Z4, Callsign: Puma Brasil, Founded in 2002. Ceased operations on 16 August 2011. Name changed from Puma Air Linhas Aereas | BR | AVCODES |
| 3 | PLY | Puma Linhas Aereas | | | ICAO1 |
| 4 | PLY | | | USA | TRAFFIC |
| 5 | PLYH | PELY SHIPPING CORP | | | SCAC4 |
| 6 | PLYK | POLYAK DISTRIBUTORS INC | | | SCAC4 |
| 7 | PLYL | PLYCAR LLC | | | SCAC4 |
| 8 | PLYO | PELAYO TRUCKING | | | SCAC3 |
| 9 | PLYP | PLYMOUTH PIPE LINE COMPANY | | | SCAC3 |
| 10 | PLYP | PLASTIQUES CELLULAIRES POLY FORM IN | | | SCAC4 |
| 11 | PLYQ | PLY-CHAMP TRUCK LINES | | | SCAC3 |
| 12 | PLYR | POLYMER TRANSPORT INC | | | SCAC3 |
| 13 | PLYS | POLYS PRODUCT CARRIER CORPORATION | | | SCAC4 |
| 14 | PLYT | PLYMOUTH TRANSPORT INC | | | SCAC3 |
| 15 | PLYX | Champion International Corp. | added 10/1972; 1/1975; eliminated 7/1977 | | NAKINA |
| 16 | PLYX | U.S. Plywood-Champion Papers, Inc. | added 7/1969; 4/1970; eliminated 10/1972 | | NAKINA |
| 17 | PLYX | United States Plywood Corp. | added 4/1967; eliminated 7/1969 | | NAKINA |
| 18 | PLYX | United States Plywood Corp. | added 4/67; eliminated 7/69 | | NRHS |
| 19 | PLYX | U.S. Plywood-Champion Papers, Inc. | added 7/69; 4/70; eliminated 10/72 | | NRHS |
| 20 | PLYX | Champion International Corp. | added 10/72; 1/75; eliminated 7/77 | | NRHS |
| 21 | PLYX | CHAMPION INTERNATIONAL CORP. [U.S. PLYWOOD CORP.] | | | PWRC |
