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
XOJ XOL XOM XON XOO XOX
XOMU XOMX
1 XOMX Exxon Mobil Corp. added 7/2000; 7/2000-7/2005   NAKINA
2 XOMX Exxon Mobil Corp. added 7/2000; 7/2000   NRHS
3 XOMX EXXON-MOBIL CORPORATION     PWRC
4 XOMX Exxon-Mobil Corporation     RSRV
5 XOMX EXXON MOBIL CORPORATION     SCAC4