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
SI& SIA SIB SIC SID SIE SIF SIG SIH SII SIJ SIK SIL SIM SIN SIO SIP SIQ SIR SIS SIT SIU SIV SIW SIX SIY SIZ
SIHD SIHI SIHN SIHQ
1 SIH Skynet Airlines Limited IATA: SI, Callsign: Bluejet, IATA designator changed to SI IRL AVCODES
2 SIH Skynet Airlines Limited IATA: SI, Callsign: Bluejet, founded in 2001. Ceased operations in 2004. IATA designator changed from SI* IRL AVCODES
3 SIH Skynet Airlines IATA: SI   ICAO1
4 SIHD SIMONTON HARDWOOD LUMBER CO     SCAC4
5 SIHI SMITH, HURON OIL CO INC     SCAC4
6 SIHN SMITH & SON TRUCKING     SCAC4
7 SIHQ SIDHU     SCAC4