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
SHA SHB SHC SHD SHE SHF SHG SHH SHI SHJ SHK SHL SHM SHN SHO SHP SHQ SHR SHS SHT SHU SHV SHW SHX SHY SHZ
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
SHA SHB SHC SHD SHE SHF SHG SHH SHI SHJ SHK SHL SHM SHN SHO SHP SHQ SHR SHS SHT SHU SHV SHW SHX SHY SHZ
| 1 | SH | Steelton & Highspire R.R. Co. | 1/75; added 1/80; 1/80-1/94; eliminated 10/99; 7/2000 | NRHS | |
| 2 | SH | STEELTON & HIGHSPIRE RAILROAD COMPANY | PWRC | ||
| 3 | SH | Steelton & Highspire R.R. Co. | 1/1975; added 1/1980; 1/1980-1/1994; eliminated 10/1999; 7/2000-7/2005 | NAKINA | |
| 4 | SH | Smalspåret i Hultsfred AB | SE | VKM | |
| 5 | SH | Steelton and Highspire Railroad | RSRV | ||
| 6 | SHAB | SHAPP INTERNATIONAL TRADING INC | SCAC4 | ||
| 7 | SHAD | SHADAI TRANSPORTES TERRESTRES SA DE | SCAC4 | ||
| 8 | SHAF | SHAFFER TRUCKING INC. | PWRC | ||
| 9 | SHAH | SHAUGHNESSY AND AHERN COMPANY | SCAC4 | ||
| 10 | SHAI | SHIP ART INTERNATIONAL INC | SCAC4 | ||
| 11 | SHAK | SHAKER GROUP INC | SCAC4 | ||
| 12 | SHAM | SINGING SHAMAN TRADERS | SCAC4 | ||
| 13 | SHAN | SHANAHAN MOTOR LINES | PWRC | ||
| 14 | SHAN | SHUBERT HAULING | SCAC4 | ||
| 15 | SHAP | SHAPIRO BROS INC | SCAC4 | ||
| 16 | SHAQ | SHORE LOGISTICS LLC | SCAC4 | ||
| 17 | SHAS | SHARP MANUFACTURING | SCAC4 | ||
| 18 | SHAT | SHAWMUT TRANSP CO INC | PWRC | ||
| 19 | SHAT | SHALE TRUCKING INC | SCAC4 | ||
| 20 | SHAU | M.R. SHAH LOGISTICS PVT LTD | SCAC4 | ||
| 21 | SHAW | SHAW ENTERPRISE INC | SCAC4 | ||
| 22 | SHAX | SHERWIN ALUMINA CO. | PWRC | ||
| 23 | SHAX | Sherwin Alumina Co. | added 4/2002; 7/2005 | NAKINA | |
| 24 | SHAX | Sherwin Alumina | RSRV | ||
| 25 | SHAX | SHERWIN ALUMINA COMPANY | SCAC4 | ||
| 26 | SHAY | SCHNEIDER, HARRY TRUCKING INC | SCAC4 | ||
| 27 | SHAZ | SHAW INDUSTRIES | PWRC | ||
| 28 | SHAZ | SHAW INDUSTRIES INC | SCAC4 | ||
| 29 | SHB | Shabair | ICAO1 | ||
| 30 | SHB | Schleswig-Holstein Bahn | DE | VKM | |
| 31 | SHB | Silkeborg - Herning Banen | 1877 - 1879 | DK | jernbanen.dk |
| 32 | SHB | Schleswig Holstein Bahn GmbH | Kaltenkirchen (AKN Tochter) | D | privat-bahn.de |
| 33 | SHBA | SHEFFIELD OIL COMPANY INC | SCAC4 | ||
| 34 | SHBB | SHIZAR IMPORT INC | SCAC4 | ||
| 35 | SHBC | SHANNON BROS CO INC | SCAC4 | ||
| 36 | SHBD | SHARK TRUCKING INC | SCAC4 | ||
| 37 | SHBJ | SHARP, RANDY | SCAC4 | ||
| 38 | SHBL | SHI-WAY BROKERS LLC | SCAC4 | ||
| 39 | SHBO | SCHNEIDER BROS | SCAC4 | ||
| 40 | SHBT | SMITH BROSS TRANSPORT | SCAC4 | ||
| 41 | SHBW | SEAHAWK LOGITECH INC | SCAC4 | ||
| 42 | SHC | Sky Harbor Air Service | ICAO1 | ||
| 43 | SHC | STAR SHUTTLE & CHARTER | SCAC4 | ||
| 44 | SHCA | SCHIPPERS CANADA LTD | SCAC4 | ||
| 45 | SHCC | S AND H TRANSPORTATION LLC | SCAC4 | ||
| 46 | SHCD | SOUTHERN COACHES INC | SCAC4 | ||
| 47 | SHCF | SHALOM ENTERPRISES INC | SCAC4 | ||
| 48 | SHCH | SHOOTING CHRONY INC | SCAC4 | ||
| 49 | SHCI | SOUTH CENTRAL FS INC | SCAC4 | ||
| 50 | SHCK | SHINN CONSTRUCTION INC | SCAC4 | ||
| 51 | SHCL | SHELNIK TRANSPORTATION INC | SCAC4 | ||
| 52 | SHCM | STREICHS LOGISTICS LLC | SCAC4 | ||
| 53 | SHCN | SCHULTZ, C ENTERPRISES LTD | SCAC4 | ||
| 54 | SHCO | SHIPPING CONNECTIONS INC | SCAC4 | ||
| 55 | SHCP | SOUTHERN CONTAINER CORPORATION | SCAC4 | ||
| 56 | SHCR | SUNTERRA HORTICULTURE (CANADA) INC | SCAC4 | ||
| 57 | SHCT | SHEFFIELD CARTAGE INC | SCAC4 | ||
| 58 | SHCV | SCHERER, GENE & SONS TRUCKING INC | SCAC4 | ||
| 59 | SHCW | SEA HORSE CONTAINER LINES INC | SCAC4 | ||
| 60 | SHCY | SHIPSIDE CRATING COMPANY | SCAC4 | ||
| 61 | SHCZ | *(HCRC) RETIRED 05-30-91 ATP (2553) | PWRC | ||
| 62 | SHCZ | *SKYHAVEN COAL COMPANY | PWRC | ||
| 63 | SHD | Sahara Airlines | ICAO1 | ||
| 64 | SHD | Stichting Historisch Dieselmaterieel | NL | VKM | |
| 65 | SHDC | SHEEDY DRAYAGE CO | SCAC4 | ||
| 66 | SHDD | SCHROEDER TRANSPORT SERVICES INC | SCAC4 | ||
| 67 | SHDE | SPARROWHAW | SCAC4 | ||
| 68 | SHDF | SHEPHERD, DAVID TRUCKING | SCAC4 | ||
| 69 | SHDG | SOBKOWICH, ED GREENHOUSES LTD | SCAC4 | ||
| 70 | SHDH | SHORELAND TRANSPORT INC | SCAC4 | ||
| 71 | SHDI | STANDHART, DAVID L | SCAC4 | ||
| 72 | SHDK | SHERIDAN TRUCKING & LEASING CO | SCAC1 | ||
| 73 | SHDL | SHER-DEL TRANSFER INC | SCAC4 | ||
| 74 | SHDR | SCHROUDER, TODD | SCAC4 | ||
| 75 | SHDS | SHIELD TRANSPORTATION CORPORATION | SCAC1 | ||
| 76 | SHDT | SHADE TRUCKING INC | SCAC4 | ||
| 77 | SHDV | SHORT HOP DELIVERY CORP | SCAC4 | ||
| 78 | SHDW | SHADOWENS MOVING AND STORAGE CO INC | SCAC4 | ||
| 79 | SHDY | SHORT, CHARLES F TRUCKING | SCAC4 | ||
| 80 | SHE | Shell Aircraft | ICAO1 | ||
| 81 | SHEE | SHEARERS EXPRESS | SCAC4 | ||
| 82 | SHEH | SHERMAN TRUCKING LLC | SCAC4 | ||
| 83 | SHEL | SHELL OIL COMPANY | PWRC | ||
| 84 | SHELF | Шелф ООД / Shelf OOD | BG | VKM | |
| 85 | SHEM | S H E MARITIME SERVICES LTD | SCAC4 | ||
| 86 | SHEN | SHENANGO, INC. | PWRC | ||
| 87 | SHEN | SHENZHEN SENBANG INTERNATIONAL FREI | SCAC4 | ||
| 88 | SHEO | SHEPLEY TRANSPORT CO | SCAC4 | ||
| 89 | SHEP | SETH ENTERPRISES | SCAC4 | ||
| 90 | SHER | *SCHERER FREIGHT LINES INC | PWRC | ||
| 91 | SHER | *SHERRIFF, INC. | PWRC | ||
| 92 | SHEU | SEAWAY HEAVY LIFTING CONTRACTING LT | SCAC4 | ||
| 93 | SHEV | SHERCO SERVICES INC | SCAC4 | ||
| 94 | SHEW | STRAHLMANN, ERWIN | SCAC4 | ||
| 95 | SHEY | STAR V MACHINERY LTD | SCAC4 | ||
| 96 | SHF | Royal Air Force | ICAO1 | ||
| 97 | SHFB | SHENANDOAH HARDWOOD LUMBER COMPANY | SCAC4 | ||
| 98 | SHFD | SHIRTCLIFF OIL CO | SCAC4 | ||
| 99 | SHFE | SUNSET HUTTERIAN BRETHREN INC | SCAC4 | ||
| 100 | SHFG | SUPERHEAT FGH TECHNOLOGIES INC | SCAC4 |