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
SCA SCB SCC SCD SCE SCF SCG SCH SCI SCJ SCK SCL SCM SCN SCO SCP SCQ SCR SCS SCT SCU SCV SCW SCX SCY SCZ
SCAB SCAD SCAF SCAG SCAH SCAI SCAJ SCAL SCAN SCAS SCAT SCAU SCAW SCAX SCAZ
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
SCA SCB SCC SCD SCE SCF SCG SCH SCI SCJ SCK SCL SCM SCN SCO SCP SCQ SCR SCS SCT SCU SCV SCW SCX SCY SCZ
SCAB SCAD SCAF SCAG SCAH SCAI SCAJ SCAL SCAN SCAS SCAT SCAU SCAW SCAX SCAZ
| 1 | SCA | South Central Air | ICAO1 | ||
| 2 | SCAB | SCHIFFAHRTSKONTOR ALTES LAND GMBH & | SCAC4 | ||
| 3 | SCAD | SCANDIA EXPRESS INC | SCAC4 | ||
| 4 | SCAF | SCARLETT TRUCKING | SCAC4 | ||
| 5 | SCAG | SCR AIR SERVICE INC | SCAC4 | ||
| 6 | SCAH | SCHWAB, TIM R INC | SCAC4 | ||
| 7 | SCAI | SPENCER, C A INC | SCAC4 | ||
| 8 | SCAJ | SEA CAP INC | SCAC4 | ||
| 9 | SCAL | SCANDANAVIAN-AMERICAN LINES | PWRC | ||
| 10 | SCAL | S C ALPHA | SCAC4 | ||
| 11 | SCAN | SCANNAVINO, AL, TRUCKING, INC | SCAC1 | ||
| 12 | SCAN | SCANNAVINO, AL, TRUCKING | SCAC4 | ||
| 13 | SCAS | SOUTHERN CALIFORNIA MOVING & STORAG | SCAC4 | ||
| 14 | SCAT | SCAT DIVISION OF ABF FREIGHT | SCAC4 | ||
| 15 | SCAU | SCA TRANSFOREST | SCAC4 | ||
| 16 | SCAW | SHADOWFAX CORPORATION, THE | SCAC4 | ||
| 17 | SCAX | Shell Oil Co. of Canada, Ltd. | 4/38-1/52; eliminated 7/56 | NRHS | |
| 18 | SCAX | *SHELL CANADA LTD. (UNION TANK CAR CO.) | PWRC | ||
| 19 | SCAX | *SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | PWRC | ||
| 20 | SCAX | Union Tank Car Co. | added 7/1956; 10/1957; eliminated 1/1958 | NAKINA | |
| 21 | SCAX | Shell Canada Ltd. | 10/1966 (not listed); added 4/1967; 4/1970-1/1980; eliminated 7/1981 | NAKINA | |
| 22 | SCAX | Shell Oil Co. of Canada, Ltd. | 7/1935-7/1954; eliminated 7/1956 | NAKINA | |
| 23 | SCAX | Southern California Regional Rail Authority | RSRV | ||
| 24 | SCAX | SOUTHERN CALIFORNIA REGIONAL RAIL A | SCAC4 | ||
| 25 | SCAX | Union Tank Car Co. | added 7/56; 10/57; eliminated 1/58 | NRHS | |
| 26 | SCAX | Shell Canada Ltd. | added 4/67; 4/70-1/80; eliminated 7/81 | NRHS | |
| 27 | SCAZ | ASSIGNED FOR ATP | PWRC |