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
SE& SEA SEB SEC SED SEE SEF SEG SEH SEI SEJ SEK SEL SEM SEN SEO SEP SEQ SER SES SET SEU SEV SEW SEX SEY SEZ
SEPA SEPB SEPC SEPE SEPF SEPK SEPL SEPN SEPO SEPQ SEPR SEPS SEPT SEPX
1 SEP Serene Air (Private) Limited IATA: ER, Founded in May 2016. AOC granted 18 March 2016. PK AVCODES
2 SEPA Southeastern Pennsylvania Transporation Authority (passenger commuter operation) 1/1994-7/2005   NAKINA
3 SEPA Southeastern Pennsylvania Transporation Authority (passenger commuter operation) 1/94-7/2000   NRHS
4 SEPA SOUTHEASTERN PENNSYLVANIA TRANSPORTATION AUTHORITY (SEPTA)     PWRC
5 SEPA Southeastern Pennsylvania Transportation Authority (SEPTA)     RSRV
6 SEPB SPREE EXPEDITIONS INC     SCAC4
7 SEPC SOUTHWEST ELECTRIC POWER CO.     PWRC
8 SEPC STEP2 COMPANY LLC, THE     SCAC4
9 SEPE SHEPHERD ENTERPRISES LTD     SCAC4
10 SEPF SERVICIOS PUBLICO FEDERAL CARGA GEN     SCAC4
11 SEPK SHIP-IT EXPRESS II     SCAC4
12 SEPL SEASONS TRANSPORTATION SERVICES     SCAC4
13 SEPN SOUTHEASTEN SHIPPING LINE LTD     SCAC4
14 SEPO SUMMIT ELECTRIC PRODUCTS     SCAC4
15 SEPQ SPECIAL EVENT PRODUCTION INC     SCAC4
16 SEPR South Eastern Provincial   GB TRAFFIC
17 SEPS SUREXPRE     SCAC4
18 SEPSA Societá per l\'Esercizio di Pubblici Servizi SpA   IT VKM
19 SEPTA SOUTHEASTERN PENNSYLVANIA TRANSPORTATION AUTHORITY     PWRC
20 SEPTA Southeast Pennsylvania Transportation Authority   USA TRAFFIC
21 SEPX Shell Eastern Petroleum Products 7/1930   NAKINA
22 SEPX Shell Eastern Petroleum Products, Inc. 7/1932-7/1935   NAKINA
23 SEPX Shell Union Oil Corp. 7/1937-4/1938   NAKINA
24 SEPX Shell Oil Co., Inc. 1/1941-1/1943   NAKINA
25 SEPX Southwestern Electric Power Co. 1/1980-7/2005   NAKINA
26 SEPX Shell Eastern Petroleum Products (Shell Union Oil Corp.) Apr-38   NRHS
27 SEPX Southwestern Electric Power Co. 1/80-7/2000   NRHS
28 SEPX *SHELL OIL CO.     PWRC
29 SEPX +SOUTHWESTERN ELECTRIC POWER COMPANY     PWRC
30 SEPX Southwestern Electric Power     RSRV
31 SEPX SOUTHWESTERN ELECTRIC POWER COMPANY     SCAC4