Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
S& S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 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
SDA SDB SDC SDD SDE SDF SDG SDH SDI SDJ SDK SDL SDM SDN SDO SDP SDQ SDR SDS SDT SDU SDV SDW SDX SDY SDZ
SDAA SDAC SDAD SDAE SDAF SDAI SDAN SDAP SDAQ SDAT SDAW SDAX SDAY
1 SDAE San Diego and Arizona Eastern Ry. Co. 4/1938-1/1975; eliminated 1/1980   NAKINA
2 SDAE San Diego and Arizona Eastern Ry. Co., Kyle Santa Rosa, Inc.—Operation-Over added 1/1980; 1/1980; eliminated 4/1980; eliminated 10/1980   NAKINA
3 SDAE San Diego and Arizona Eastern Transportation Co. added 10/1980   NAKINA
4 SDAE San Diego and Arizona Eastern Ry. Co. 4/38-1/75; eliminated 1/80   NRHS
5 SDAE San Diego and Arizona Eastern Ry. Co., Kyle Santa Rosa, Inc.--Operation-Over added 1/80; 1/80; eliminated 4/80; eliminated 10/80   NRHS
6 SDAE San Diego and Arizona Eastern Transportation Co. added 10/80   NRHS
7 SDAE SAN DIEGO & ARIZONA EASTERN TRANSPORTATION CO. [SAN DIEGO & ARIZONA EASTERN RY]     PWRC
8 SDAE San Diego and Arizona Eastern Railway     RSRV