| 7801 | SOBU | SOBOLAK INTERNATIONAL GMBH | | A | BIC |
| 7802 | SOBU | ERES N. V. | | | SCAC3 |
| 7803 | SOBU | SOBOLAK INTERNATIONAL GMBH | | | SCAC4 |
| 7804 | SOBY | SOUTHEAST MILK INC | | | SCAC4 |
| 7805 | SOC | SSA+, Joint-Stock Company | Callsign: Sochi, | RUS | AVCODES |
| 7806 | SOC | Southern Cargo Air Lines | | | ICAO1 |
| 7807 | SOCB | SOUTHERN CHARTERING PTY LTD (DIV OF | | | SCAC4 |
| 7808 | SOCE | SOUTHERN CARTAGE INC | | | SCAC4 |
| 7809 | SOCG | SOUTHEASTERN CARRIERS INC | | | SCAC4 |
| 7810 | SOCH | Zakład Komunikacji Miejskiej Sochaczew | Real: ZKM, City: Sochaczew | PL | TRAFFIC |
| 7811 | SOCHA | Przewóz Osób i Towarów Leszek Socha | | PL | TRAFFIC |
| 7812 | SOCHI | MUP SochiAvtotrans | City: Sochi | RUS | TRAFFIC |
| 7813 | SOCI | SOCIEDAD DE MOTORES DOMESTICOS S DE | | | SCAC4 |
| 7814 | SOCK | SORCO PRODUCTS | | | SCAC4 |
| 7815 | SOCN | SOUTHERN COUNTIES EXPRESS INC | | | SCAC4 |
| 7816 | SOCO | SOCOMAC | | FR | VKM |
| 7817 | SOCQ | SCOTT, ROBERT A | | | SCAC4 |
| 7818 | SOCS | SOUTHEAST CONSOLIDATORS INC | | | SCAC4 |
| 7819 | SOCT | STOC TRAILER SERVICES INC | | | SCAC4 |
| 7820 | SOCU | STAR SERVICE SRL | | I | BIC |
| 7821 | SOCU | STAR SERVICE | | | SCAC4 |
| 7822 | SOCV | SOCATRA | | | SCAC4 |
| 7823 | SOCX | Southern Oil Corp. | 8/1920 | | NAKINA |
| 7824 | SOCX | Seatex Oil Co., Inc. | 1/1950 (not listed) | | NAKINA |
| 7825 | SOCX | Sohio Oil Co. | 1/1994 (not listed) | | NAKINA |
| 7826 | SOCX | BP Oil Co. | added 7/1995 | | NAKINA |
| 7827 | SOCX | BP Amoco Chemical Co. | eliminated 1/2000 | | NAKINA |
| 7828 | SOCX | BP Amoco Chemical Co., BP Oil Division | added 1/2000; 7/2000-7/2005; eliminated 10/2006 | | NAKINA |
| 7829 | SOCX | BP Amoco Chemical Co., Chemical Division | added 10/2006 | | NAKINA |
| 7830 | SOCX | Sohio Oil Co. | Jan-94 | | NRHS |
| 7831 | SOCX | BP Oil Co. | added 7/95 | | NRHS |
| 7832 | SOCX | BP Amoco Chemical Co. | eliminated 1/2000 | | NRHS |
| 7833 | SOCX | BP Amoco Chemical Co., BP Oil Division | added 1/2000; 7/2000 | | NRHS |
| 7834 | SOCX | *SOUTHERN OIL CORP. | | | PWRC |
| 7835 | SOCX | *SEATEX OIL CO., INC. | | | PWRC |
| 7836 | SOCX | +BP AMOCO CHEMICAL CO., CHEMICAL DIV. [BP OIL COMPANY; SOHIO OIL CO.] | | | PWRC |
| 7837 | SOCX | BP Amoco Chemical BP Oil Division | | | RSRV |
| 7838 | SOCX | BP AMOCO CHEMICAL COMPANY | | | SCAC4 |
| 7839 | SOCY | SOUCY, RUSSELL S | | | SCAC4 |
| 7840 | SOCZ | SOUTHERN COTTON OIL | | | PWRC |
| 7841 | SOD | Aerolineas Sol, S.A. de C.V. | Callsign: Alsol, | MEX | AVCODES |
| 7842 | SOD | Aerolineas Sol | | | ICAO1 |
| 7843 | SODC | SOS LLC | | | SCAC4 |
| 7844 | SODF | SOUTHERN TEXT WHSE | | | SCAC4 |
| 7845 | SODG | SOCIETE D'ENTRETIEN GENERAL L A F I | | | SCAC4 |
| 7846 | SODH | SOUTHERN COUNTIES TERMINALS | | | SCAC4 |
| 7847 | SODI | SODIFER INC | | | SCAC4 |
| 7848 | SODK | SONS OF DEROSE TRUCKING LLC | | | SCAC4 |
| 7849 | SODL | SOURCE ONE TRANSPORTATION INC | | | SCAC4 |
| 7850 | SODN | SIMMONS, DON SPORTS INC | | | SCAC4 |
| 7851 | SODO | SODROX CHEMICALS LTD | | | SCAC4 |
| 7852 | SODP | SOLDIER XPRESS LLC | | | SCAC4 |
| 7853 | SODR | SCHROEDER MOVING SYSTEMS INC | | | SCAC4 |
| 7854 | SODS | SODESA TRANSPORTACION S A DE C V | | | SCAC4 |
| 7855 | SODU | UAB Sodų autobusai | City: Klaipeda | LT | TRAFFIC |
| 7856 | SODV | SOUND DELIVERY SERVICE | | | SCAC4 |
| 7857 | SODW | SOUTH SAN DIEGO WOOD SHAVINGS | | | SCAC4 |
| 7858 | SOE | Air Soleil, Société | Callsign: Air Soleil, | RIM | AVCODES |
| 7859 | SOE | Air Soleil | | | ICAO1 |
| 7860 | SOEA | SOUTHEASTERN TRANSPORT INC | | | SCAC4 |
| 7861 | SOEB | SONNEBORN BROS | | | SCAC1 |
| 7862 | SOEB | SONNEBORN BROTHERS | | | SCAC4 |
| 7863 | SOEC | SOUTH END CARTAGE CORPORATION OF DELAWARE | | | SCAC1 |
| 7864 | SOEF | S O E LINES INC | | | SCAC4 |
| 7865 | SOEG | Sächsisch-Oberlausitzer Eisenbahngesellschaft mbH | Zittau | D | privat-bahn.de |
| 7866 | SOEG | SONO ENERGY CORP | | | SCAC4 |
| 7867 | SOEG | Sächsisch-Oberlausitzer Eisenbahngesellschaft | | DE | VKM |
| 7868 | SOEI | SOUTHEAST MISSOURI TRANSPORT | | | SCAC4 |
| 7869 | SOEJ | SOUTHERN TIER EXPRESS INC | | | SCAC4 |
| 7870 | SOEJ | Sölvesborg - Olofström - Älmhult Järnväg | 1901 - 1944 | S | svenska-lok.se |
| 7871 | SOEM | SOUTHEASTERN MARITIME | | | PWRC |
| 7872 | SOEP | SOS EXPRESS | | | SCAC4 |
| 7873 | SOER | SUPER FLITE OIL CO | | | SCAC4 |
| 7874 | SOES | SO-CAL EXPRESS TRUCKING INC | | | SCAC4 |
| 7875 | SOET | S O E TECHNOLOGIES | | | SCAC4 |
| 7876 | SOEU | HANG ZHOU ZHE SHANG INDUSTRY TRADING | | PRC | BIC |
| 7877 | SOEX | Shell Oil Co. | added 7/1964; 7/1965-7/2000 | | NAKINA |
| 7878 | SOEX | Shell Oil Co. U.S. (Lubricants) | added 4/2003; 7/2005 | | NAKINA |
| 7879 | SOEX | Shell Oil Co. | added 7/64; 7/65-7/2000 | | NRHS |
| 7880 | SOEX | SHELL OIL COMPANY | | | PWRC |
| 7881 | SOEX | Shell Oil | | | RSRV |
| 7882 | SOEX | SHELL OIL COMPANY | | | SCAC4 |
| 7883 | SOEY | SOLUCIONES EXPERTAS EN TRANSPORTES | | | SCAC4 |
| 7884 | SOF | Solis Aviation | Callsign: Solis, Ceased Operations. | BG | AVCODES |
| 7885 | SOFB | SCHROEDER FARMS TRUCKING | | | SCAC4 |
| 7886 | SOFE | SOFFE, M J COMPANY | | | SCAC4 |
| 7887 | SOFH | STOLLER FISHERIES INC | | | SCAC4 |
| 7888 | SOFI | SOUTHERN FREIGHT, INC | | | SCAC1 |
| 7889 | SOFI | SOUTHERN FREIGHT INC | | | SCAC4 |
| 7890 | SOFIA | Sofia Public Electrical Transport Company | City: Sofia | BG | TRAFFIC |
| 7891 | SOFIB | Sofia Public Bus Transport Company | City: Sofia | BG | TRAFFIC |
| 7892 | SOFN | SIX ONE FOUR NINE EIGHT FOUR (61498 | | | SCAC4 |
| 7893 | SOFP | SOLARFECTIVE PRODUCTS LIMITED | | | SCAC4 |
| 7894 | SOFR | SOUTHERN FLORAL COMPANY | | | SCAC4 |
| 7895 | SOFU | CMA-CGM | | F | BIC |
| 7896 | SOFU | SOFREDI | | | PWRC |
| 7897 | SOFU | Sofredi | | | RSRV |
| 7898 | SOFV | SRT OIL FIELD SERVICE LLC | | | SCAC4 |
| 7899 | SOFW | SEVEN OCEAN FORWARDING SERVICES LTD | | | SCAC4 |
| 7900 | SOFX | Sterling Oil & Refining Co. | 8/1920 | | NAKINA |
