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
W& W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ
WSA WSB WSC WSD WSE WSF WSG WSH WSI WSJ WSK WSL WSM WSN WSO WSP WSQ WSR WSS WST WSU WSV WSW WSX WSY WSZ
WSOC WSOG WSOI WSOL WSON WSOQ WSOR WSOX WSOZ
1 WSOX Wisconsin & Southern Leasing Co. added 7/1981; eliminated 1/1991   NAKINA
2 WSOX Upper Merion and Plymouth Leasing Co. added 1/1991; 1/1994   NAKINA
3 WSOX Upper Merion and Plymouth Co. eliminated 4/1996   NAKINA
4 WSOX First Union Rail added 4/1996; 7/2000-7/2005   NAKINA
5 WSOX Wisconsin & Southern Leasing Co. added 7/81; eliminated 1/91   NRHS
6 WSOX Upper Merion and Plymouth Leasing Co. added 1/91; 1/94   NRHS
7 WSOX Upper Merion and Plymouth Co. eliminated 4/96   NRHS
8 WSOX First Union Rail added 4/96; 7/2000   NRHS
9 WSOX FIRST UNION RAIL [(UMPX) UPPER MERION AND PLYMOUTH LEASING CO.; WISCONSIN & SOUTHERN LEASING CO.]     PWRC
10 WSOX Wisconsin and Southern Leasing     RSRV
11 WSOX FIRST UNION RAIL     SCAC4