| 6901 | POLM | POLMAN TRANSFER INC | | | SCAC3 |
| 6902 | POLM | POLMAN TRANSFER INC | | | SCAC4 |
| 6903 | POLN | POLLON M | | | SCAC3 |
| 6904 | POLN | PELORUS OCEAN LINE LTD | | | SCAC4 |
| 6905 | POLO | POLOIL INC | | | SCAC3 |
| 6906 | POLO | POLLITOS TRUCKING | | | SCAC4 |
| 6907 | POLQ | POOL TRANSFER & STORAGE INC | | | SCAC3 |
| 6908 | POLR | POLO EXPRESS | | | SCAC4 |
| 6909 | POLS | POLO TRUCKING | | | SCAC4 |
| 6910 | POLT | POLARIS TRANSPORT CARRIERS INC | | | SCAC4 |
| 6911 | POLU | PANOCEAN | | ROK | BIC |
| 6912 | POLU | POLISH OCEAN LINES | | | PWRC |
| 6913 | POLU | Polish Ocean Lines Gyndia American Lines | | | RSRV |
| 6914 | POLU | POLISH OCEAN LINES GYDNIA AMERICAN LINES | | | SCAC3 |
| 6915 | POLV | POOLS VAN & STORAGE | | | SCAC3 |
| 6916 | POLV | POWERLINE LOGISTICS SERVICES | | | SCAC4 |
| 6917 | POLW | PRO OIL LLC | | | SCAC4 |
| 6918 | POLX | The PolyOne Co. | added 1/2002; 7/2005 | | NAKINA |
| 6919 | POLX | Prest-O-Lite Co., Inc. | 1/1943-4/1961 (not listed) | | NAKINA |
| 6920 | POLX | Prudential Oil Corp. | 8/1920-7/1923 | | NAKINA |
| 6921 | POLX | Prest-O-Lite Co., Inc. | 1/52-4/61 | | NRHS |
| 6922 | POLX | *PRUDENTIAL OIL CORP. | | | PWRC |
| 6923 | POLX | *PREST-O-LITE CO., INC. | | | PWRC |
| 6924 | POLX | +POLYONE CO. | | | PWRC |
| 6925 | POLX | PolyOne | | | RSRV |
| 6926 | POLX | POLYONE CORPORATION | | | SCAC4 |
| 6927 | POLX | Polski Express | | PL | TRAFFIC |
| 6928 | POLY | POLYMER DISTRIBUTION INC | | | SCAC4 |
| 6929 | POLZ | POLISH OCEAN LINES | | | PWRC |
| 6930 | POLZ | Polish Ocean Lines | | | RSRV |
| 6931 | POLZ | POLISH OCEAN LINES | | | SCAC4 |
| 6932 | POM | Prompt Air | Callsign: Promptair, | GQ | AVCODES |
| 6933 | POM | Aurelio Y Gustavo Pompa Estrella | Callsign: Pompa, | MEX | AVCODES |
| 6934 | POM | Prince Albert of Monaco | | MC | AVCODES |
| 6935 | POM | Projets Aviation Malta Limited | Callsign: Jetkic, | M | AVCODES |
| 6936 | POM | PORT OF MIAMI RAILROAD | | | PWRC |
| 6937 | POM | Port of Miami Railroad | | USA | TRAFFIC |
| 6938 | POMA | POM-ARLEAU TRANSFER | | | SCAC3 |
| 6939 | POMA | POM-ARLEAU TRANSFER AND STORAGE COR | | | SCAC4 |
| 6940 | POMC | POLAR MANUFACTRUING COMPANY | | | SCAC3 |
| 6941 | POME | POLYMER EXPRESS INC | | | SCAC3 |
| 6942 | POME | POLYMER EXPRESS INC | | | SCAC4 |
| 6943 | POMG | POMA GLASS AND SPECIALTY WINDOWS | | | SCAC4 |
| 6944 | POMH | POPES MOBILE HOME MOVING INC | | | SCAC3 |
| 6945 | POMI | POLYMETRICS INC | | | SCAC3 |
| 6946 | POMI | POTOMAC MARINE LLC | | | SCAC4 |
| 6947 | POMIDI | Chemin de Fer de Paris à Orléans et du Midi | Real: PO-Midi, 1934 - 1938 | F | TRAFFIC |
| 6948 | POMN | POMPEIAN INC | | | SCAC3 |
| 6949 | POMQ | POTEAT MOTOR LINES, INC | | | SCAC3 |
| 6950 | POMS | POLAR MOBILITY RESEARCH LTD | | | SCAC4 |
| 6951 | POMT | POORMAN TRUCKING | | | SCAC3 |
| 6952 | POMT | PANOCEANIS MARITIME INC | | | SCAC4 |
| 6953 | POMU | FSUE PRODUCTION ASSOCIATION MAYAK | | RUS | BIC |
| 6954 | POMU | FSUE PRODUCTION ASSOCIATION MAYAK | | | SCAC4 |
| 6955 | POMV | PROFESSIONAL MOVERS INC | | | SCAC3 |
| 6956 | POMZ | PORT OF MILWAUKEE | | | PWRC |
| 6957 | PON | Portuguese Navy | Callsign: Portuguese Navy, | P | AVCODES |
| 6958 | PON | Portuguese Navy | | | ICAO1 |
| 6959 | PONC | PONCA MOTOR EXPRESS | | | SCAC3 |
| 6960 | PONC | PONCA MOTOR EXPRESS | | | SCAC4 |
| 6961 | PONE | PRIORITY ONE TRANSPORT INC | | | SCAC3 |
| 6962 | PONF | PONDER FARM SUPPLY | | | SCAC3 |
| 6963 | PONG | PACIFIC OVERLAND TRANSPORTATION GRO | | | SCAC4 |
| 6964 | PONI | PONIE EXPRESS TRUCKLINE | | | SCAC3 |
| 6965 | PONL | PONY LINES INC | | | SCAC4 |
| 6966 | PONO | PONTINO TRUCKING | | | SCAC3 |
| 6967 | PONO | PONTINO TRUCKING | | | SCAC4 |
| 6968 | PONP | P O NY X INC | | | SCAC3 |
| 6969 | PONS | PONTIAN SHIPPING COMPANY | | | SCAC4 |
| 6970 | PONU | MAERSK A/S | | DK | BIC |
| 6971 | PONU | P & O NEDLLOYD BV | | | SCAC4 |
| 6972 | PONV | PALLETS OF NEVADA INC | | | SCAC3 |
| 6973 | PONY | PONY EXPRESS | | | SCAC3 |
| 6974 | PONY | PONY EXPRESS | | | SCAC4 |
| 6975 | PONY | PONY S.r.l. | | IT | VKM |
| 6976 | PONZ | PORT OF NATCHEZ | | | PWRC |
| 6977 | POOI | PORTER OIL COMPANY INC | | | SCAC4 |
| 6978 | POOK | POOLE, KENNETH L INC | | | SCAC3 |
| 6979 | POOL | POOLE CHEMICAL INC | | | SCAC3 |
| 6980 | POOL | POOL ENGINEERING INC | | | SCAC4 |
| 6981 | POOQ | POTHOVEN OIL CO | | | SCAC3 |
| 6982 | POOT | POOLE TRUCKING CO | | | SCAC3 |
| 6983 | POOT | POOLE TRUCKING CO | | | SCAC4 |
| 6984 | POP | PORT OF PENSACOLA | | | PWRC |
| 6985 | POPA | POPPA D TRUCKING | | | SCAC4 |
| 6986 | POPC | POPE PAVING COMPANY INC | | | SCAC3 |
| 6987 | POPC | POPE PAVING COMPANY INC | | | SCAC4 |
| 6988 | POPD | PORT OF PORTLAND | | | PWRC |
| 6989 | POPD | POPE PRODUCTS (DIV OF PUREX CORP) | | | SCAC3 |
| 6990 | POPD | POPE, DAVID PRODUCE | | | SCAC4 |
| 6991 | POPE | POPE TRANSPORT INC | | | SCAC3 |
| 6992 | POPE | POPE TRANSPORT INC | | | SCAC4 |
| 6993 | POPF | POPLAR INC | | | SCAC3 |
| 6994 | POPG | POPE DISTRIBUTING CO | | | SCAC3 |
| 6995 | POPH | POPIEL, HARRY | | | SCAC3 |
| 6996 | POPJ | POPE, JAMES W | | | SCAC3 |
| 6997 | POPK | POWER PACKAGING TRANSPORTATION CORP | | | SCAC3 |
| 6998 | POPK | POPKES CAR CARE INC | | | SCAC4 |
| 6999 | POPL | POPLARVILLE TRUCK LINE INC | | | SCAC3 |
| 7000 | POPM | POPE, F R MOVING & STORAGE | | | SCAC3 |
