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
I& I2 I3 I4 I5 I6 I7 I8 I9 IA IB IC ID IE IF IG IH II IJ IK IL IM IN IO IP IQ IR IS IT IU IV IW IX IY IZ
IAA IAB IAC IAD IAE IAF IAG IAH IAI IAJ IAK IAL IAM IAN IAP IAR IAS IAT IAV IAW IAX IAY IAZ
IATC IATI IATL IATO IATP IATR IATU
1 IATR Iowa Traction R.R. Co. added 7/1987; 1/1994-7/2005   NAKINA
2 IATR Iowa Traction R.R. Co. added 7/87; 1/94-7/2000   NRHS
3 IATR IOWA TRACTION RAILROAD CO.     PWRC
4 IATR Iowa Traction Railroad     RSRV
5 IATR IOWA TRACTION RAILROAD COMPANY     SCAC4
6 IATR Iowa Traction Railroad   USA TRAFFIC