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
M& M- M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ
MK& MKA MKB MKC MKD MKE MKF MKG MKH MKI MKK MKL MKM MKN MKO MKP MKQ MKR MKS MKT MKU MKV MKW MKX MKY MKZ
MKTB MKTC MKTJ MKTK MKTL MKTM MKTR MKTS MKTT MKTU MKTV MKTW MKTY MKTZ
1 MKTT Union Pacific R.R. Co. added 4/1997; 7/2000-7/2005   NAKINA
2 MKTT Missouri Pacific System added 1/1990; 1/1994; eliminated 4/1997   NAKINA
3 MKTT Missouri-Kansas-Texas R.R. Co. 7/1965-10/1966 & 1/1975-1/1980; eliminated 1/1990   NAKINA
4 MKTT Missouri-Kansas-Texas R.R. Co. of Texas 4/1938-4/1961   NAKINA
5 MKTT Missouri-Kansas-Texas R.R. Co. of Texas (M.-K.-T. Lines) 7/1923-7/1936   NAKINA
6 MKTT Missouri, Kansas & Texas Ry. of Texas (M. K. & T. Lines) 8/1920   NAKINA
7 MKTT Missouri-Kansas-Texas R.R. Co. of Texas 4/38-4/61   NRHS
8 MKTT Missouri-Kansas-Texas R.R. Co. 7/65-10/66 & 1/75-1/80; eliminated 1/90   NRHS
9 MKTT Missouri Pacific System added 1/90; 1/94; eliminated 4/97   NRHS
10 MKTT Union Pacific R.R. Co. added 4/97; 7/2000   NRHS
11 MKTT UNION PACIFIC RAILROAD CO. [MISSOURI PACIFIC; MISSOURI, KANSAS & TEXAS RWY.; M.K. & T. LINES}     PWRC
12 MKTT Missouri-Kansas-Texas Railroad (Union Pacific Railroad)     RSRV