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
X1 X3 X4 X5 X6 X7 X8 X9 XA XB XC XD XE XF XG XH XI XJ XK XL XM XN XO XP XR XS XT XU XV XW XX XY XZ
XSA XSC XSE XSF XSH XSI XSL XSM XSN XSO XSP XSR XSS XST XSW
XSLL XSLO XSLZ
1 XSL Sesatslab Proof-of-Concept Flights, Embry-Riddle University Callsign: Satslab, Name changed from Southeast Satslab Consortium. USA AVCODES
2 XSL Embry-Riddle Aeronautical University     ICAO1
3 XSLL X-SHIPPING L.L.C.     SCAC4
4 XSLO Express Slovakia   SK TRAFFIC
5 XSLZ SOO LINE RAILROAD     PWRC
6 XSLZ Soo Line Railroad (Canadian Pacific Railway)     RSRV
7 XSLZ SOO LINE RAILROAD     SCAC4