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
H& H0 H1 H2 H3 H4 H5 H6 H7 H8 H9 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ
HRA HRB HRC HRD HRE HRF HRG HRH HRI HRJ HRK HRL HRM HRN HRO HRP HRQ HRR HRS HRT HRU HRV HRW HRX HRY HRZ
HREE HREF HREI HREL HREM HREN HREO HREP HRET HREX
1 HRE FFH Sudwestdeutsche Verkehrsfliegerschule Callsign: Hart Air, D AVCODES
2 HREE FIVE FIVE SEVEN     SCAC4
3 HREF HARE FREIGHT SERVICES INC     SCAC4
4 HREI HOUSTON RYDER EXPRESS INC     SCAC4
5 HREL HARD ROCK ENTERPRISES LLC     SCAC4
6 HREM HOLIDAY RETIREMENT     SCAC4
7 HREN HERREN ENTERPRISES INC     SCAC4
8 HREO HERRERA,     SCAC4
9 HREP HERMITAGE EXPRESS     SCAC1
10 HREP HILDABY RIDGE EXPRESS     SCAC4
11 HRET HARRIS TRANSPORTATION COMPANY LLC     SCAC4
12 HREX Heavy Railroad Excavations, Inc. 7/2000-7/2005 (not listed)   NAKINA
13 HREX Heavy Railroad Excavations, Inc. Jul-00   NRHS
14 HREX HEAVY RAILROAD EXCAVATIONS INC     PWRC
15 HREX Heavy Railroad Excavations     RSRV