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
HEA HEB HEC HED HEE HEF HEG HEH HEI HEJ HEK HEL HEM HEN HEO HEP HEQ HER HES HET HEV HEW HEX HEY HEZ
HESA HESB HESE HESF HESJ HESK HESO HESP HESR HESS HEST HESU HESX HESZ
1 HESX Heritage Environmental Services, Inc. c/o Heritage Group 1/1994 (not listed); added 1/1997; 7/2000-7/2005; eliminated 7/2007   NAKINA
2 HESX Heritage Environmental Services, Inc. 1/94; added 1/97   NRHS
3 HESX Heritage Environmental Services, Inc. c/o Heritage Group Jul-00   NRHS
4 HESX HERITAGE ENVIRONMENTAL SERVICES, INC.     PWRC
5 HESX Heritage Environmental Services     RSRV
6 HESX HERITAGE ENVIRONMENTAL SERVICES LLC     SCAC4