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
HZA HZB HZC HZE HZF HZG HZH HZI HZJ HZK HZL HZM HZN HZO HZP HZR HZS HZT HZU HZV HZX HZY HZZ
1 HZX CITIC General Aviation Co., Ltd Callsign: Zhongxin Air, PRC AVCODES
2 HZX Citic General Aviation     ICAO1
3 HZX The Hegeler Zinc Co. 8/1920-7/1954; eliminated 1/1955   NAKINA
4 HZX The Hegeler Zinc Co. 4/38-1/52   NRHS
5 HZX HEGELER ZINC CO.     PWRC