| 3901 | PHLW | PRAIRIE COACH TRAILWAYS | | | SCAC4 |
| 3902 | PHLX | PARRISH & HEIMBECKER LIMITED | | | SCAC4 |
| 3903 | PHLY | PHILLY AIR CARGO INC | | | SCAC3 |
| 3904 | PHLY | PHILADELPHIA TRUCK LINES INC | | | SCAC4 |
| 3905 | PHM | Petroleum Helicopters, Inc. | Callsign: Petroleum, Name changed to PHI, Inc. | USA | AVCODES |
| 3906 | PHM | PHI, Inc. | Callsign: Petroleum, Name changed from Petroleum Helicopters, Inc. | USA | AVCODES |
| 3907 | PHM | Petroleum Helicopters | | | ICAO1 |
| 3908 | PHME | PHOENIX MOTOR EXPRESS INC | | | SCAC3 |
| 3909 | PHMG | P & H MILLING GROUP | | | SCAC4 |
| 3910 | PHMH | PELHAM HOLDINGS SA | | | SCAC3 |
| 3911 | PHMK | PAHL, TOM TRUCKING | | | SCAC4 |
| 3912 | PHML | PRIMROSE HILL MARITIME | | | SCAC3 |
| 3913 | PHMN | PORT HARBOR MARINE INC | | | SCAC4 |
| 3914 | PHMQ | PHILLIPS MOVING & STORAGE INC | | | SCAC3 |
| 3915 | PHMR | PRAIRIE HOME TRANSPORT | | | SCAC4 |
| 3916 | PHMS | PASHA MOVING SERVICES INC | | | SCAC3 |
| 3917 | PHMS | PASHA FREIGHT SYSTEMS INC | | | SCAC4 |
| 3918 | PHMT | PHIL-MART TRANSPORTATION INC | | | SCAC3 |
| 3919 | PHMU | POLOMA MANAGEMENT LTD | | RUS | BIC |
| 3920 | PHMU | POLOMA-HOLDING | | | SCAC4 |
| 3921 | PHMV | PHILS MOVERS INC | | | SCAC3 |
| 3922 | PHMX | P&H Mining Equipment, Inc. | added 10/2006 | | NAKINA |
| 3923 | PHMX | P & H MINING EQUIPMENT, INC. | | | PWRC |
| 3924 | PHMX | P & H MINING EQUIPMENT INC | | | SCAC4 |
| 3925 | PHN | Phoenix Air Lines Ltd. | Callsign: Phoenix Brasil, | BR | AVCODES |
| 3926 | PHN | Phoenix Aviation Limited | Callsign: Jadestar, | EAK | AVCODES |
| 3927 | PHN | Phoenix Air Lines | | | ICAO1 |
| 3928 | PHNB | PATRICK HENRY NATIONAL BANK | | | SCAC3 |
| 3929 | PHNB | PHOENIX BUILDING COMPONENTS INC | | | SCAC4 |
| 3930 | PHNC | PHOENICIAN INTERNATIONAL | | | SCAC3 |
| 3931 | PHNC | PHOENICIAN INTERNATIONAL | | | SCAC4 |
| 3932 | PHNE | PHOENIX ENERGY | | | SCAC4 |
| 3933 | PHNG | PHOENIX TRANSIT & LOGISTICS DIVISIO | | | SCAC4 |
| 3934 | PHNT | PHOENIX TRANSPORTATION INC | | | SCAC3 |
| 3935 | PHNX | PHN, LLC | | | PWRC |
| 3936 | PHNX | General American Marks (GATX Corporation) | | | RSRV |
| 3937 | PHNX | PHN LLC | | | SCAC4 |
| 3938 | PHO | Phoenix Airways (Pty) Ltd. | Callsign: Southern Phoenix, | ZA | AVCODES |
| 3939 | PHO | L&L Flygbildteknik AB | Callsign: Photoflight, | S | AVCODES |
| 3940 | PHO | L&L Flygbildteknik | | | ICAO1 |
| 3941 | PHOC | PHOENIX TRANSPORTATION LLC | | | SCAC4 |
| 3942 | PHOE | PAHOA EXPRESS INC | | | SCAC3 |
| 3943 | PHOE | PAHOA EXPRESS INCORPORATED | | | SCAC4 |
| 3944 | PHOK | PHOENIX TRUCKING INC | | | SCAC4 |
| 3945 | PHOL | POHL OIL CO | | | SCAC4 |
| 3946 | PHON | PHOENIX TRUCK LINES INC | | | SCAC3 |
| 3947 | PHON | PHOENIX TRUCK LINES INC | | | SCAC4 |
| 3948 | PHOS | PHOSTER INDUSTRIES | | | SCAC4 |
| 3949 | PHOSC | ICL-IP Bitterfeld GmbH | | DE | VKM |
| 3950 | PHOU | PHOENIX ECTS LIMITED | | | SCAC4 |
| 3951 | PHOV | PERHATOVIC TRUCKING | | | SCAC4 |
| 3952 | PHOX | Phoenix Oil Co. | 7/1937-4/1938 (not listed) | | NAKINA |
| 3953 | PHOX | PHOENIX OIL CO. | | | PWRC |
| 3954 | PHOY | PHOENIX TRUCK LINES INC | | | SCAC4 |
| 3955 | PHP | Pannon Airlines Air-transporting Ltd. | Callsign: Panlines, | H | AVCODES |
| 3956 | PHP | PSI Air 2007, Inc. | IATA: CM, Callsign: Sky Power, IATA Prefix: 520, | RP | AVCODES |
| 3957 | PHPA | PHILIPPINE AIRLINES INC (AIR CODE P | | | SCAC4 |
| 3958 | PHPC | PETROLEUM HEAT & POWER CO INC | | | SCAC4 |
| 3959 | PHPD | PHILLIP DELIVERY | | | SCAC3 |
| 3960 | PHPG | PHILLIPS GARAGE INC | | | SCAC4 |
| 3961 | PHPI | PHELPS, TIMMIE TRUCKING | | | SCAC3 |
| 3962 | PHPM | PARRISH, H PAUL & MARGARET C | | | SCAC3 |
| 3963 | PHPM | PARRISH, H PAUL & MARGARET C | | | SCAC4 |
| 3964 | PHPP | PHILLIPS-PARR , INC. | | | SCAC3 |
| 3965 | PHPQ | PHILLIPS TRUCK LINE | | | SCAC3 |
| 3966 | PHPS | PHILLIPS TRUCKING COMPANY | | | SCAC3 |
| 3967 | PHPT | PHILLIPS TRUCKING INC | | | SCAC3 |
| 3968 | PHPW | PHILLIPS WORLD TRAVEL INC | | | SCAC3 |
| 3969 | PHPW | POSEIDON SHIPPING & TRADING CO LTD | | | SCAC4 |
| 3970 | PHPX | Virginia-Carolina Chemical Corp., Chemicals Division | 1/1943 | | NAKINA |
| 3971 | PHPX | Virginia-Carolina Chemical Corp., Phosphate Products Division | 7/1937-1/1941 | | NAKINA |
| 3972 | PHPX | Phosphate Products Corp. | 7/1935 | | NAKINA |
| 3973 | PHPX | Phosphate Products Division (Virginia-Carolina Chemical Corp., Phosphate Products Division) | Apr-38 | | NRHS |
| 3974 | PHPX | VIRGINIA-CAROLINA CHEMICAL CORP., cHEMICALS DIV. [PHOSPHATE PRODUCTS DIV.] | | | PWRC |
| 3975 | PHQI | P H E INC | | | SCAC3 |
| 3976 | PHQT | PHELPS TRUCKING COMPANY | | | SCAC3 |
| 3977 | PHQZ | PHILADELPHIA QUARTZ | | | PWRC |
| 3978 | PHR | Al Farana Airline | Callsign: Pharaoh, | ET | AVCODES |
| 3979 | PHR | Pharaoh Airlines | Callsign: Pharaoh, | ET | AVCODES |
| 3980 | PHR | Al Farana Airline | | | ICAO1 |
| 3981 | PHRA | PANTHER RACING LLC | | | SCAC4 |
| 3982 | PHRB | PHILLIPS, ROBERT, TRUCKING | | | SCAC3 |
| 3983 | PHRB | PHILLIPS, ROBERT TRUCKING | | | SCAC4 |
| 3984 | PHRD | PHARCAN INC | | | SCAC4 |
| 3985 | PHRK | PARRISH TRUCKING INC | | | SCAC3 |
| 3986 | PHRO | PHARO TRUCKING CO INC | | | SCAC3 |
| 3987 | PHRR | PHARRIS, C L READY MIX | | | SCAC3 |
| 3988 | PHRR | PORT HARBOR RAILROAD INC | | | SCAC4 |
| 3989 | PHRT | PRITCHARD TRANSPORTATION | | | SCAC3 |
| 3990 | PHRU | PYEONG HWA REEFER SERVICES INC | | ROK | BIC |
| 3991 | PHRU | NIGERIA NATIONAL PETROLEUM CORPORATION | | | PWRC |
| 3992 | PHRU | Nigeria National Petroleum Corporation | | | RSRV |
| 3993 | PHRX | Premier Horticulture Ltd. | 7/2005 (not listed) | | NAKINA |
| 3994 | PHRX | Panhandle Refining Co. | 8/1920-7/1930 | | NAKINA |
| 3995 | PHRX | *PANHANDLE REFINING CO. | | | PWRC |
| 3996 | PHRX | +PREMIER HORTICULTURE LTD. | | | PWRC |
| 3997 | PHRX | PREMIER HORTCULTURE LTD | | | SCAC4 |
| 3998 | PHS | Polizeihubschrauberstaffel Sachsen | Callsign: Passat, | D | AVCODES |
| 3999 | PHS | Polizeihubschrauberstaffel Sachsen | | | ICAO1 |
| 4000 | PHSA | PHASSA MARITIME CORPORATION | | | SCAC3 |
