| 6801 | POEH | PRONTO EXPRESS INC | | | SCAC3 |
| 6802 | POEK | PORT EXPRESS TRUCKING LLC | | | SCAC4 |
| 6803 | POEL | POELKERS GARAGE | | | SCAC3 |
| 6804 | POEL | POELKERS GARAGE | | | SCAC4 |
| 6805 | POEN | POTTER ENTERPRISES, INC | | | SCAC3 |
| 6806 | POEO | POE OIL CO | | | SCAC3 |
| 6807 | POEP | PORTLAND EXPRESS, INC | | | SCAC3 |
| 6808 | POEP | PORTLAND EXPRESS, INC | | | SCAC4 |
| 6809 | POEQ | PONY EXPRESS DELIVERY SERVICE | | | SCAC3 |
| 6810 | POER | POWERS TRUCKING CO | | | SCAC3 |
| 6811 | POES | P & O ENTERPRISES & TRANSFER | | | SCAC3 |
| 6812 | POEU | DR.ING.H.C.F.PORSCHE AG | | D | BIC |
| 6813 | POF | Police Aux Frontiers | Callsign: Airpol, | F | AVCODES |
| 6814 | POF | Police Aux Frontiers | | | ICAO1 |
| 6815 | POFA | PORTEOUS FASTENER COMPANY | | | SCAC3 |
| 6816 | POFA | PORTEOUS FASTENER COMPANY | | | SCAC4 |
| 6817 | POFE | POLSINELLO FUELS INC | | | SCAC3 |
| 6818 | POFE | POLSINELLO FUELS INC | | | SCAC4 |
| 6819 | POFI | POWER FUELS INC | | | SCAC3 |
| 6820 | POFM | POPPY FARMS | | | SCAC3 |
| 6821 | POFN | PROSPERA OFFICE INTERIORS LLC | | | SCAC4 |
| 6822 | POFQ | PROFLAME INC | | | SCAC3 |
| 6823 | POFR | PORTLAND FREIGHT SERVICE INC | | | SCAC3 |
| 6824 | POFR | PATS OFF ROAD TRANSPORT LTD | | | SCAC4 |
| 6825 | POFS | PORT OF SEATTLE | | | SCAC3 |
| 6826 | POFT | POLYOCK FARMS TRUCKING INC | | | SCAC3 |
| 6827 | POFU | {LLC "SALAIRTRANS"};ZIPCODE=129110 | | RUS | BIC |
| 6828 | POFU | CONTAINERLINK LIMITED | | | SCAC3 |
| 6829 | POGC | POTTERFIELD, GEORGE C | | | SCAC3 |
| 6830 | POGC | POTTERFIELD, GEORGE C TRUCKING INC | | | SCAC4 |
| 6831 | POGI | POGGI, PHIL TRUCKING | | | SCAC3 |
| 6832 | POGP | POLING, GENE P INC | | | SCAC4 |
| 6833 | POGS | PHILLIPS OIL & GAS | | | SCAC4 |
| 6834 | POGT | PROGRESSIVE TRANSPORT INC | | | SCAC3 |
| 6835 | POHC | Pittsburgh & Ohio Central R.R. | 7/2005 | | NAKINA |
| 6836 | POHC | Ohio Central R.R. System | added 7/2004 | | NAKINA |
| 6837 | POHC | Pittsburgh & Ohio Central R.R. (was PIR) | added 4/2001; eliminated 7/2004 | | NAKINA |
| 6838 | POHC | Pittsburgh & Ohio Central Rd. (was PIR) | added 4/2001 | | NRHS |
| 6839 | POHC | PITTSBURGH & OHIO CENTRAL RAILROAD | | | PWRC |
| 6840 | POHC | Pittsburgh and Ohio Central Railroad | | | RSRV |
| 6841 | POHC | PITTSBURGH & OHIO CENTRAL RAILROAD | | | SCAC4 |
| 6842 | POHG | POHL LOGISTICS INC | | | SCAC4 |
| 6843 | POHK | PORTER, H K CO INC | | | SCAC3 |
| 6844 | POHL | POLHILL TRANSFER INC | | | SCAC4 |
| 6845 | POHP | POHL TRANSPORTATION INC | | | SCAC3 |
| 6846 | POHP | POHL TRANSPORTATION INC | | | SCAC4 |
| 6847 | POHQ | PORT HOUSTON TERMINALS INC | | | SCAC3 |
| 6848 | POHR | POLHEMUS, RICHARD TRUCKING | | | SCAC3 |
| 6849 | POHS | PORTHOS SHIPPING COMPANY | | | SCAC3 |
| 6850 | POHT | POHUTSKY, EDWARD D, MOVERS | | | SCAC3 |
| 6851 | POI | BGB Air | | | ICAO1 |
| 6852 | POIA | POINTER, A W | | | SCAC3 |
| 6853 | POIB | PARISH OIL CO INC | | | SCAC4 |
| 6854 | POID | POIRIER, ROLAND INC | | | SCAC4 |
| 6855 | POIF | PAQUETTE OIL | | | SCAC4 |
| 6856 | POIK | POLK OIL CO | | | SCAC4 |
| 6857 | POIL | PETCO OIL COMPANY INC | | | SCAC3 |
| 6858 | POIL | Prista Oil | | BG | VKM |
| 6859 | POIN | POINT EXPRESS INC | | | PWRC |
| 6860 | POIS | PITT OIL SERVICE INC | | | SCAC4 |
| 6861 | POIT | POINT ROBERTS AUTO FREIGHT | | | SCAC3 |
| 6862 | POIX | Hightower Oil & Refining Co. | 7/1937 | | NAKINA |
| 6863 | POIX | Petroleum Oil Interests Inc. | 7/1935 | | NAKINA |
| 6864 | POIX | HIGHTOWER OIL & REFINING CO. | | | PWRC |
| 6865 | POIY | PETTIT OIL COMPANY | | | SCAC4 |
| 6866 | POJI | POSA, INC | | | SCAC3 |
| 6867 | POJS | POSHARD, JAMES R & SON INC | | | SCAC3 |
| 6868 | POJS | POSHARD, JAMES R & SON INC | | | SCAC4 |
| 6869 | POJV | POLSINELLO, JAMES V | | | SCAC3 |
| 6870 | POKC | PATRIOT KC | | | SCAC4 |
| 6871 | POKE | POKEYS VANS | | | SCAC4 |
| 6872 | POKG | PORT TRUCKING INC | | | SCAC3 |
| 6873 | POKG | POLAR KING INTERNATIONAL | | | SCAC4 |
| 6874 | POKJ | POCOCK, RALPH R FARMS INC | | | SCAC3 |
| 6875 | POKS | PROMARK TRANSPORT SERVICES INC | | | SCAC4 |
| 6876 | POL | Rikspolisstyrelsen | | S | AVCODES |
| 6877 | POL | Polar International Airlines | Callsign: Polar, | USA | AVCODES |
| 6878 | POL | Polar Airways, Inc. | Callsign: Polar Airways, | USA | AVCODES |
| 6879 | POL | Rikspolisstyrelsen | | | ICAO1 |
| 6880 | POL | Police | | X | TRAFFIC |
| 6881 | POLA | POLYANKA MARITIME COMPANY LIMINTED | | | SCAC3 |
| 6882 | POLA | PHILLIPS OIL LLC | | | SCAC4 |
| 6883 | POLAF | Polish Air Force | | PL | TRAFFIC |
| 6884 | POLAK | Usługi Przewozowe Henryk Polak | City: Chorzów | PL | TRAFFIC |
| 6885 | POLB | POLANCO TRUCKING INC | | | SCAC4 |
| 6886 | POLBUS | PKS Polbus | | PL | TRAFFIC |
| 6887 | POLC | PRENDERGAST OIL COMPANY INC | | | SCAC4 |
| 6888 | POLD | PILOTTO, LINDA | | | SCAC4 |
| 6889 | POLE | POLLEI TRUCKING | | | SCAC3 |
| 6890 | POLF | POOLE TRANSFER INC | | | SCAC3 |
| 6891 | POLG | POLING TRANSPORTATION CORP | | | SCAC3 |
| 6892 | POLH | POLKINGHORN MOLASSES INC | | | SCAC3 |
| 6893 | POLH | POLTRANS INC | | | SCAC4 |
| 6894 | POLI | POLING TRUCKING INC | | | SCAC3 |
| 6895 | POLI | POLING TRUCKING INC | | | SCAC4 |
| 6896 | POLI | Polimeri AD /Полимери АД | | BG | VKM |
| 6897 | POLJ | POLLEY, KEITH H | | | SCAC3 |
| 6898 | POLJ | POLJET EXPRESS INC | | | SCAC4 |
| 6899 | POLK | POLK, H | | | SCAC3 |
| 6900 | POLK | ČSAD POLKOST | | CZ | TRAFFIC |
