| 101 | HAFO | HANDFORD OIL & ASPHALT INC | SCAC4 | ||
| 102 | HAFR | HORIZON AIR FREIGHT INC | SCAC4 | ||
| 103 | HAFU | HAFNARBAKKI HF | SCAC4 | ||
| 104 | HAFW | HARVEY FREIGHT-WAYS, INC | SCAC1 | ||
| 105 | HAFW | HARVEY FREIGHTWAYS | SCAC4 | ||
| 106 | HAFX | Herf & Frerichs Chemical Co. | 8/1920-7/1923 | NAKINA | |
| 107 | HAFX | HERF & FRERICHS CHEMICAL CO. | PWRC | ||
| 108 | HAG | Hageland Aviation Services | IATA: H6 | ICAO1 | |
| 109 | HAGD | HANSON AGGREGATES NEDERLAND B V | SCAC4 | ||
| 110 | HAGE | Hamburger Eisenbahn e.K | DE | VKM | |
| 111 | HAGEN | Hagener Straßenbahn AG | Real: HST, City: Hagen | D | TRAFFIC |
| 112 | HAGI | HAG LINE | SCAC4 | ||
| 113 | HAGJ | HAGER, JOE TRUCKING INC | SCAC4 | ||
| 114 | HAGO | HAAG OIL COMPANY LLC | SCAC4 | ||
| 115 | HAGQ | HAGEMASTER MOTOR SERVICE, INC | SCAC1 | ||
| 116 | HAGS | HAGAN AND SON TRUCKING INC | SCAC4 | ||
| 117 | HAGX | Hazel-Atlas Glass Co. | 8/1920; 7/1937-1/1941 | NAKINA | |
| 118 | HAGX | Hazel-Atlas Glass Co. | Apr-38 | NRHS | |
| 119 | HAGX | HAZEL-ATLAS GLASS CO. | PWRC | ||
| 120 | HAGY | HAGGERTY LOGISTICS | SCAC4 | ||
| 121 | HAH | Air Comores International | IATA: GG | ICAO1 | |
| 122 | HAHE | HARRAH INDUSTRIES INC | SCAC4 | ||
| 123 | HAHK | H AND H TRUCKING | SCAC4 | ||
| 124 | HAHN | HAHN TRANSPORT | SCAC4 | ||
| 125 | HAHU | SHANGHAI HAI HUA SHIPPING CO LTD | SCAC4 | ||
| 126 | HAHX | The H. & H. Refinery Co. | 8/1920 | NAKINA | |
| 127 | HAHX | H. & H. REFINERY CO. | PWRC | ||
| 128 | HAI | Century Aviation International | ICAO1 | ||
| 129 | HAIC | HAULIN ACID INC | SCAC4 | ||
| 130 | HAIG | HAIGOOD & CAMPBELL LLC | SCAC4 | ||
| 131 | HAIH | HOLDEN & ASSOCIATES INC | SCAC4 | ||
| 132 | HAIN | HALE INTERMODAL TRUCKING COMPANY (D | SCAC4 | ||
| 133 | HAIO | HODGINS AUCTIONEERS INC | SCAC4 | ||
| 134 | HAIR | HAIR, C ENTERPRISES INC | SCAC4 | ||
| 135 | HAIS | HAI SOON INTERNATIONAL PTE LTD | SCAC4 | ||
| 136 | HAIW | HANNAH MARINE CORP | SCAC4 | ||
| 137 | HAIY | HAILEY TRANSPORT INC | SCAC4 | ||
| 138 | HAIZ | HALBUCK iNDUSTRY | PWRC | ||
| 139 | HAJ | Hajvairy Airlines | ICAO1 | ||
| 140 | HAJ | Hammel - Århus Jernbane (Hammelbanen) | 1902 - 1914 | DK | jernbanen.dk |
| 141 | HAJ | Haderslev Amts Jernbaner | 1899 - 1939 | DK | jernbanen.dk |
| 142 | HAJ | HARTSELL, JOHN J | SCAC4 | ||
| 143 | HAJ | Hajdú Volán | H | TRAFFIC | |
| 144 | HAJD | Haderslev Amts Jernbaner | Real: HAJ, 1899 - 1939 | DK | TRAFFIC |
| 145 | HAJK | HAJEK TRUCKING CO INC | PWRC | ||
| 146 | HAJK | HAMILTON, A JACK | SCAC4 | ||
| 147 | HAJM | Hammel - Århus Jernbane (Hammelbanen) | Real: HAJ, 1902 - 1914 | DK | TRAFFIC |
| 148 | HAJN | HAJNY, JON TRUCKING | SCAC4 | ||
| 149 | HAJT | HAJ TRUCKING INCORPORATED | SCAC4 | ||
| 150 | HAK | Pegasus Helicopters | ICAO1 | ||
| 151 | HAKI | H & A TRUCKING | SCAC4 | ||
| 152 | HAKM | HAKME | SCAC4 | ||
| 153 | HAKN | HART TRUCKING | SCAC4 | ||
| 154 | HAKU | CONTAINER COMPANY AMSTERDAM B.V. | SCAC3 | ||
| 155 | HAKU | CONTAINER COMPANY AMSTERDAM BV | SCAC4 | ||
| 156 | HAKY | HAWKEY TRANSPORTATION, INC | SCAC1 | ||
| 157 | HAKY | HAWKEY TRANSPORTATION, INC | SCAC4 | ||
| 158 | HAL | Hawaiian Airlines | IATA: HA | ICAO1 | |
| 159 | HAL | Hawaiian Airlines | USA | TRAFFIC | |
| 160 | HALB | HALBERT BROTHERS, INC | SCAC1 | ||
| 161 | HALF | HALL TRANSFER LINES | SCAC4 | ||
| 162 | HALG | HALL ENTERPRISE II INC | SCAC4 | ||
| 163 | HALH | HIGH ANGLE LOGISTICS LLC | SCAC4 | ||
| 164 | HALICT | Halifax Corporation Transport | GB | TRAFFIC | |
| 165 | HALJ | HALEY, JAMES J TRUCKING CORP | SCAC4 | ||
| 166 | HALL | HALL, TERRY TRANSPORTATION LLC | SCAC4 | ||
| 167 | HALM | Halifax Metro Transit | CDN | TRAFFIC | |
| 168 | HALN | HALCOMB TRANSPORT LLC | SCAC4 | ||
| 169 | HALP | HARTMANN ASIA RTW LINE PTE LTD/HART | SCAC4 | ||
| 170 | HALR | HALO TRANSPORT LLC | SCAC4 | ||
| 171 | HALS | HARMONY LEASING INC | SCAC4 | ||
| 172 | HALT | HALLS TOWING SERVICE INC | SCAC4 | ||
| 173 | HALU | NASM HOLLAND AMERICAN LINE | SCAC3 | ||
| 174 | HALU | NASM HOLLAND AMERICAN LINE | SCAC4 | ||
| 175 | HALV | HALVORSON AGRIBILITY LLC | SCAC4 | ||
| 176 | HALW | H A L TRUCKING | SCAC4 | ||
| 177 | HALX | Holland American Line — Westours Inc. | 7/2000-7/2005 (not listed) | NAKINA | |
| 178 | HALX | Holland American Line -- Westours Inc. | Jul-00 | NRHS | |
| 179 | HALX | HOLLAND AMERICA LINE - WESTOURS, INC. | PWRC | ||
| 180 | HALX | Holland American Line | RSRV | ||
| 181 | HALX | HOLLAND AMERICAN LINE-WESTOURS INC | SCAC4 | ||
| 182 | HALY | HALEY TRANSPORT | SCAC4 | ||
| 183 | HALZ | HALSTEAD ELEVATOR | PWRC | ||
| 184 | HAM | Haiti Ambassador Airlines | IATA: 2T | ICAO1 | |
| 185 | HAM | HIGHWAY AMERICA | SCAC4 | ||
| 186 | HAMA | HAMILTON AIR CONVEYORS CO INC | SCAC4 | ||
| 187 | HAMB | HAM TRUCKING | SCAC4 | ||
| 188 | HAMD | HAMILTON, D., TRUCKING, INC | SCAC1 | ||
| 189 | HAMD | HAMILTON, D, TRUCKING, INC | SCAC4 | ||
| 190 | HAME | HAMME | SCAC4 | ||
| 191 | HAMF | HARBOR AIRLINES MOTOR FREIGHT, Harbor Airlines, INC | SCAC1 | ||
| 192 | HAMG | HAMILTON TRUCKING COMPANY INC | SCAC4 | ||
| 193 | HAMI | HASTINGS MECHANICAL INC | SCAC4 | ||
| 194 | HAML | HAML Corp | City: New Brunswick | US- | TRAFFIC |
| 195 | HAMM | HAMM | SCAC4 | ||
| 196 | HAMM | Stadtwerke Hamm | City: Hamm | D | TRAFFIC |
| 197 | HAMO | HAMPSHIRE PAPER CORP | SCAC4 | ||
| 198 | HAMP | HAMPSHI | SCAC4 | ||
| 199 | HAMS | HAMES TRUCKING INC | SCAC4 | ||
| 200 | HAMT | HALLAMORE CORP | SCAC4 |