| 2201 | HKDI | HECKLER & KOCH DEFENSE INC | SCAC4 | ||
| 2202 | HKE | Hong Kong Express Airways | IATA: UO | ICAO1 | |
| 2203 | HKE | Hong Kong Express | HK | TRAFFIC | |
| 2204 | HKEC | HORSTMEIER TRUCKING LLC | SCAC4 | ||
| 2205 | HKEI | HAAS, KEITH ENTERPRISES INC | SCAC4 | ||
| 2206 | HKEN | HOCKENBARY, J & J | SCAC4 | ||
| 2207 | HKEP | HAWKS EXPRESS INC | SCAC4 | ||
| 2208 | HKEQ | HASKIN, STEVE TRUCKING | SCAC4 | ||
| 2209 | HKEV | HARVICK, KEVIN INC | SCAC4 | ||
| 2210 | HKEY | HACKER BOAT COMPANY INC | SCAC4 | ||
| 2211 | HKFI | HIS KINGDOM FREIGHT INC | SCAC4 | ||
| 2212 | HKFL | HUSKY FLOORING (DIV OF | SCAC4 | ||
| 2213 | HKG | Government Flying Service | ICAO1 | ||
| 2214 | HKGC | HOOK GRAIN CORP | SCAC4 | ||
| 2215 | HKGI | HOLTHAUS TRUCKING INC | SCAC4 | ||
| 2216 | HKGU | HONG KONG ISLANDS LINE | PWRC | ||
| 2217 | HKGU | Hong Kong Islands Line | RSRV | ||
| 2218 | HKGX | Haines & Kibblehouse, Inc. | 7/2005 (not listed) | NAKINA | |
| 2219 | HKGX | HAINES & KIBBLEHOUSE, INC. | PWRC | ||
| 2220 | HKGX | Haines & Kibblehouse Inc. (The H&K Group) | RSRV | ||
| 2221 | HKGX | HAINES & KIBBLEHOUSE INC | SCAC4 | ||
| 2222 | HKGX | Haines & Kibblehouse Inc | USA | TRAFFIC | |
| 2223 | HKH | Air-Invest | ICAO1 | ||
| 2224 | HKHA | Hong Kong Hospital Authority | HK | TRAFFIC | |
| 2225 | HKHUV | Klostermann Baugesellschaft GmbH | DE | VKM | |
| 2226 | HKI | Hawkaire | ICAO1 | ||
| 2227 | HKIN | HOLLISTER TRUCKING INC | SCAC4 | ||
| 2228 | HKIR | HILLS TRUCKING INC | SCAC4 | ||
| 2229 | HKIS | HONG KONG ISLANDS LINE | PWRC | ||
| 2230 | HKIU | HONG KONG ISLANDS LINE | PWRC | ||
| 2231 | HKIU | Hong Kong Islands Line | RSRV | ||
| 2232 | HKJ | Hästveda - Karpalund Järnväg | 1886 - 1898 | S | svenska-lok.se |
| 2233 | HKJF | HARVEL, K & J FARMS | SCAC4 | ||
| 2234 | HKJL | HARKNESS, JIM EQUIPMENT LTD | SCAC4 | ||
| 2235 | HKJT | HACKLE, JERRY TRUCKING | SCAC4 | ||
| 2236 | HKKL | HICKS TRUCKING II LLC | SCAC4 | ||
| 2237 | HKL | Hak Air | ICAO1 | ||
| 2238 | HKLC | HOKER LOGISTICS LLC | SCAC4 | ||
| 2239 | HKLG | H & K LOGISTICS LLC | SCAC4 | ||
| 2240 | HKLI | HWY-KING LOGISTICS INC | SCAC4 | ||
| 2241 | HKLS | HERRING, KEN L & SON INC | SCAC4 | ||
| 2242 | HKMD | HAWKEYE MOVERS OF DAVENPORT INC | SCAC4 | ||
| 2243 | HKMI | HENKELS & MCCOY INC | SCAC4 | ||
| 2244 | HKMTR | MTR Corporation | HK | TRAFFIC | |
| 2245 | HKMW | HONG KONG MING WAH SHIPPING COMPANY | SCAC4 | ||
| 2246 | HKN | Jim Hankins Air Service | ICAO1 | ||
| 2247 | HKNANNY | School private bus service | City: Hong Kong | HK | TRAFFIC |
| 2248 | HKNI | HIT INC | SCAC4 | ||
| 2249 | HKNU | HUBERT KLASENER JR FLUSSIGKEITSTRAN | SCAC4 | ||
| 2250 | HKO | Hilton Kommunal GmbH | DE | VKM | |
| 2251 | HKOD | HHTANKERS ONE LTD | SCAC4 | ||
| 2252 | HKOL | HAWKEYE OIL CO | SCAC4 | ||
| 2253 | HKONG | TRAFFIC | |||
| 2254 | HKPE | HOLTKAMP ENTERPRISES | SCAC4 | ||
| 2255 | HKPI | HAWK PLASTICS LTD | SCAC4 | ||
| 2256 | HKPU | HONG KONG ISLANDS LINE | PWRC | ||
| 2257 | HKPU | Hong Kong Islands Line | RSRV | ||
| 2258 | HKR | Hawk Air | ICAO1 | ||
| 2259 | HKRA | HOEKSTRA TRANSPORTATION LLC | SCAC4 | ||
| 2260 | HKRD | HOEKSTRA DEDICATED (DIV OF HOEKSTRA | SCAC4 | ||
| 2261 | HKRE | HINKLEY, R E CO INC | SCAC4 | ||
| 2262 | HKREHA | The Hong Kong Society for Rehabilitation | HK | TRAFFIC | |
| 2263 | HKRL | HOEKSTRA LOGISTICS LLC | SCAC4 | ||
| 2264 | HKRN | HAMELIN, KRISTIN | SCAC4 | ||
| 2265 | HKS | CHC Helikopter Service | ICAO1 | ||
| 2266 | HKSB | HAMRICK SR, BRET T | SCAC4 | ||
| 2267 | HKSC | HUCKABAY, KENT S LLC | SCAC4 | ||
| 2268 | HKSD | HOOKS, DUANE | SCAC4 | ||
| 2269 | HKSL | HENRIKSEN, AL TRANS | SCAC4 | ||
| 2270 | HKSN | HOCKERSMITH TRANSPORTATION SERVICES COMPANY, INC | SCAC1 | ||
| 2271 | HKSP | HAWK SHIPPING LLC | SCAC4 | ||
| 2272 | HKSR | H K SPEED EXPRESS INC | SCAC4 | ||
| 2273 | HKST | HILKER, STEVE TRUCKING INC | SCAC4 | ||
| 2274 | HKTD | HK TOWING LLC | SCAC4 | ||
| 2275 | HKTI | HANCOCK TRUCKING LLC | SCAC4 | ||
| 2276 | HKTK | HUKRIEDE TRUCKING INC | SCAC4 | ||
| 2277 | HKTN | H K P TRUCKING | SCAC4 | ||
| 2278 | HKTO | HANADARKO TRANSPORT LLC | SCAC4 | ||
| 2279 | HKTU | HONG KONG ISLANDS LINE | PWRC | ||
| 2280 | HKTU | Hong Kong Islands Line | RSRV | ||
| 2281 | HKTU | KLAESER INT FACHSPEDITION & FARHZEU | SCAC4 | ||
| 2282 | HKUE | HOKU EXPRESS INC | SCAC4 | ||
| 2283 | HKUT | HANSEN, KURT | SCAC4 | ||
| 2284 | HKUU | HONG KONG ISLANDS LINE | PWRC | ||
| 2285 | HKUU | Hong Kong Islands Line | RSRV | ||
| 2286 | HKVS | HOOK, V B & COMPANY INC | SCAC4 | ||
| 2287 | HKWC | HOFFMANN, K W TRANSPORT COMPANY LLC | SCAC4 | ||
| 2288 | HKX | Hamburg-Köln-Express GmbH | Berlin | D | privat-bahn.de |
| 2289 | HKXC | HANKS TRANSPORTATION LLC | SCAC4 | ||
| 2290 | HKXI | HIGHMARK TRANSPORT INC | SCAC4 | ||
| 2291 | HKXS | HOOKER TRANSPORTATION SERVICES LLC | SCAC4 | ||
| 2292 | HKYE | HAWKEYE TRANSPORTATION SERVICES INC | SCAC4 | ||
| 2293 | HKYU | Hankyu Railway | Hankyu Railway (Hankyu- Dentetsu) is a Japanese private railway that provides commuter and interurban service to the northern Kansai region. Its main terminal is at Umeda Station in Osaka. The signature color of Hankyu cars is maroon. | J | TRAFFIC |
| 2294 | HKZTS | Huta Katowice Zakład Transportu Samochodowego sp. z o.o. | PL | TRAFFIC | |
| 2295 | HKZZ | HONG KONG ISLANDS LINE | PWRC | ||
| 2296 | HKZZ | Hong Kong Islands Line | RSRV | ||
| 2297 | HKZZ | HONG KONG ISLANDS LINE AMERICA S A | SCAC4 | ||
| 2298 | HL | HAGANS LOGISTIC Sp. z o.o. | PL | VKM | |
| 2299 | HLA | HC Airlines | ICAO1 | ||
| 2300 | HLA | Hjørring - Løkken - Åbybro | 1913 - 1969 | DK | jernbanen.dk |