Real world company prefixes
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S& SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ
SUA SUB SUC SUD SUE SUF SUG SUH SUI SUJ SUK SUL SUM SUN SUO SUP SUQ SUR SUS SUT SUU SUV SUW SUX SUY SUZ
S& SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ
SUA SUB SUC SUD SUE SUF SUG SUH SUI SUJ SUK SUL SUM SUN SUO SUP SUQ SUR SUS SUT SUU SUV SUW SUX SUY SUZ
| 1 | SUA | Silesia Air | ICAO1 | ||
| 2 | SUAB | Southern Alabama R.R. Co., Inc. | added 1/89; eliminated 10/91; 1/94-7/2000 | NRHS | |
| 3 | SUAB | SOUTHERN ALABAMA RAILROAD COMPANY | PWRC | ||
| 4 | SUAB | Southern Alabama R.R. Co., Inc. | added 1/1989; eliminated 10/1991; 1/1994-7/2005 | NAKINA | |
| 5 | SUAB | Southern Alabama Railroad | RSRV | ||
| 6 | SUAD | SUPERIOR ASSEMBLY AND DISTRIBUTION CENTER, INC | SCAC1 | ||
| 7 | SUAG | SUER NAKLIYAT LOJISTIK | SCAC4 | ||
| 8 | SUAH | SUPERIOR GLOBAL LOGISTICS | SCAC4 | ||
| 9 | SUAL | SALCEDO URBINA, ALFREDO LUIS | SCAC4 | ||
| 10 | SUAM | SUPERIOR TACKLE | SCAC4 | ||
| 11 | SUAO | SUPREME TRUCKING LTD | SCAC4 | ||
| 12 | SUAR | Danisco Sugar Arlöv | SE | VKM | |
| 13 | SUAR | SUAREZ EXPORTA HILARIA MARIBEL SUAR | SCAC4 | ||
| 14 | SUAS | Sokolovská uhelná, a.s. | CZ | VKM | |
| 15 | SUAS | SURVIVAL SYSTEMS LIMITED | SCAC4 | ||
| 16 | SUAY | SUNRISE SHIPPING AGENCY, INC. | SCAC4 | ||
| 17 | SUB | Suburban Air Freight | ICAO1 | ||
| 18 | SUB | STATE SUBSIDY | PWRC | ||
| 19 | SUBA | SUPERIOR HARVEST FOODS INC | SCAC4 | ||
| 20 | SUBF | SUNBIRD TRANSPORT INC | SCAC4 | ||
| 21 | SUBI | SPORT SYSTEMS UNLIMITED CORP | SCAC4 | ||
| 22 | SUBJ | SUPERIOR LOGISTICA SA DE CV | SCAC4 | ||
| 23 | SUBK | SEELY SPRUILL OIL CO INC | SCAC4 | ||
| 24 | SUBL | SEGURA VALLEJO, ADAN | SCAC4 | ||
| 25 | SUBM | SUPERIOR INTERNATIONAL | SCAC4 | ||
| 26 | SUBN | SUNRISE TRUCK BROKERAGE INC | SCAC4 | ||
| 27 | SUBS | SUBSEA SEVEN 7 (US) LLC | SCAC4 | ||
| 28 | SUBU | COMMISSARI | SCAC4 | ||
| 29 | SUBV | STANDISH AUTO & TRAILER SALES | SCAC4 | ||
| 30 | SUBW | SUBURBAN SAME DAY DELIVERY | SCAC4 | ||
| 31 | SUBX | Doxol Gas Supply, Inc. | eliminated 4/65 | NRHS | |
| 32 | SUBX | DOXOL GAS SUPPLY (NORTH AMERICAN CAR CORP.) | PWRC | ||
| 33 | SUBX | Doxol Gas Supply, Inc. | added 7/1961; eliminated 4/1965 | NAKINA | |
| 34 | SUBX | North American Car Corp. | added 4/1965; 7/1965-1/1975; eliminated 1/1977 | NAKINA | |
| 35 | SUBX | North American Car Corp. | added 4/65; 7/65-1/75; eliminated 1/77 | NRHS | |
| 36 | SUCAQ | SUCRE AQUITAINE | FR | VKM | |
| 37 | SUCB | SOUTHERN CAL TRANSPORT INC | SCAC4 | ||
| 38 | SUCC | SUNCO CARRIERS INC | SCAC4 | ||
| 39 | SUCG | SUPER CARTAGE COMPANY, INC | SCAC1 | ||
| 40 | SUCL | SUNICE CARGO LOGISTICS | SCAC4 | ||
| 41 | SUCM | SUPPLY CHAIN MANAGEMENT INC | SCAC4 | ||
| 42 | SUCN | SUTTON SYSTEM SALES INC | SCAC4 | ||
| 43 | SUCP | SUPREME CARRIERS INC | SCAC4 | ||
| 44 | SUCQ | SU CARGA EXPRESS | SCAC4 | ||
| 45 | SUCS | SUNHOUSE PETROLEUM LLC | SCAC4 | ||
| 46 | SUCV | SUN CITY TOWING & RECOVERY LP | SCAC4 | ||
| 47 | SUCX | Merchants Despatch Transportation Corp. | 10/57-4/70 | NRHS | |
| 48 | SUCX | MERCHANTS DESPATCH TRANSPORTATION CORP. | PWRC | ||
| 49 | SUCX | Merchants Despatch Transportation Corp. | added 10/1954; 10/1957-4/1970; eliminated 7/1972 | NAKINA | |
| 50 | SUD | Sudan Airways | IATA: SD | ICAO1 | |
| 51 | SUDA | SUNLAND DISTRIBUTION OF FLORIDA INC | SCAC4 | ||
| 52 | SUDC | COLUMBUS LINE, INC. | PWRC | ||
| 53 | SUDD | SUDDATH RELOCATION SYSTEMS OF | SCAC4 | ||
| 54 | SUDG | SUN DOG TRUCKING INC | SCAC4 | ||
| 55 | SUDH | SUDDATH RELOCATION SYSTEMS OF NORTH | SCAC4 | ||
| 56 | SUDI | SUREFIRE CONSULTING LLC | SCAC4 | ||
| 57 | SUDL | SUDDATH VAN LINES D/B/A SUDATH RELO | SCAC4 | ||
| 58 | SUDO | SKYRAIL SYSTEMS USA INC | SCAC4 | ||
| 59 | SUDR | STUDDARD, JAMES B TRANSFER & STORAG | SCAC4 | ||
| 60 | SUDT | SUDDATH TRANSPORTATION SERVICES, IN | SCAC4 | ||
| 61 | SUDU | SUD HAMBURG/COLUMBUS LINE | SCAC1 | ||
| 62 | SUDU | COLUMBUS LINE, INC. | PWRC | ||
| 63 | SUDU | Columbus Line | RSRV | ||
| 64 | SUDU | HAMBURG SUED | SCAC4 | ||
| 65 | SUE | Aerolineas Del Sureste | ICAO1 | ||
| 66 | SUEA | SANTOKU SENPAKU CO LTD | SCAC4 | ||
| 67 | SUED | SUEDART | SCAC4 | ||
| 68 | SUEF | SURFACE 2 AIR LOGISTICS | SCAC4 | ||
| 69 | SUEG | STRASBURGER LOGISTICS LLC | SCAC4 | ||
| 70 | SUEK | SURERIDE INC | SCAC4 | ||
| 71 | SUEL | SUECO FUEL OIL INC | SCAC4 | ||
| 72 | SUEN | SUNSET TRANSPORTATION INC | SCAC4 | ||
| 73 | SUEP | SUPERIOR LOGISTICS SOLUTIONS INC | SCAC4 | ||
| 74 | SUES | SUTTLES TRUCK LEASING INC | SCAC4 | ||
| 75 | SUEV | SU TRANSPORTE SA DE CV | SCAC4 | ||
| 76 | SUEW | SUMERIAN FORWARDING | SCAC4 | ||
| 77 | SUF | Sun Air (Fiji) | IATA: PI | ICAO1 | |
| 78 | SUFA | SOUTH FLORIDA CARTAGE INC | SCAC4 | ||
| 79 | SUFF | SUPERIOR FAST FREIGHT | SCAC4 | ||
| 80 | SUFH | SUPERIOR FUELS INC | SCAC4 | ||
| 81 | SUFJ | SUNWELL TECHNOLOGIES INC | SCAC4 | ||
| 82 | SUFM | SUNNY MIROCA FARMS | SCAC4 | ||
| 83 | SUFO | SUPER FUEL OIL CO | SCAC4 | ||
| 84 | SUFP | SUPERIOR FOREST PRODUCTS INC | SCAC4 | ||
| 85 | SUFS | SUNCREST FARMS | SCAC4 | ||
| 86 | SUFT | SUPERFAST TRUCK LINE | SCAC4 | ||
| 87 | SUFU | SEA LION LTD. | SCAC4 | ||
| 88 | SUFY | SUPERIOR TIRE LLC | SCAC4 | ||
| 89 | SUFZ | SUPERIOR FERTILIZER | PWRC | ||
| 90 | SUG | Sunu Air | ICAO1 | ||
| 91 | SUGC | SCRUGGS COMPANY INC, THE | SCAC4 | ||
| 92 | SUGJ | SUBURBAN OIL SERVICE | SCAC4 | ||
| 93 | SUGP | SPAULDING ENTERPRISE, INC | SCAC1 | ||
| 94 | SUGQ | SUGARCREEK CARTAGE CO | SCAC4 | ||
| 95 | SUGW | SUGARTOWN XPRESS | SCAC4 | ||
| 96 | SUGX | AMERICAN CRYSTAL SUGAR CO. | PWRC | ||
| 97 | SUGX | American Crystal Sugar Co. | 7/2005 (not listed) | NAKINA | |
| 98 | SUGX | AMERICAN CRYSTAL SUGAR COMPANY | SCAC4 | ||
| 99 | SUH | Sun Light | ICAO1 | ||
| 100 | SUHA | SEA URCHIN HARVESTER | SCAC4 |