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
MKCB MKCE MKCG MKCH MKCL MKCO MKCS MKCT MKCX MKCY
1 MKCX Morrison Knudsen Corp. 7/2000-7/2005 (not listed)   NAKINA
2 MKCX Michigan Chemical Co. 7/1923   NAKINA
3 MKCX Morrison Knudsen Corp. Jul-00   NRHS
4 MKCX *MICHIGAN CHEMICAL CO.     PWRC
5 MKCX +MORRISON KNUDSEN CORPORATION     PWRC
6 MKCX Morrison Knudsen Corporation     RSRV
7 MKCX MORRISON KNUDSEN CORPORATION     SCAC4