| Abbreviation | Definition |
|---|---|
| HIPX | Reliant Energy HL and P |
| HJBX | H. J. Baker and Brothers Incorporated |
| HJBX | H.J. Baker and Brothers |
| HJCU | HANJIN Container Lines |
| HJCU | HANJIN Container Lines, Limited |
| HJCZ | HANJIN Container Lines |
| HJCZ | HANJIN Container Lines Limited |
| HJPX | Larsen Farms |
| HJVX | Helm Financial Corporation |
| HJVX | Helm Locomotive Leasing |
| HKGU | Hong Kong Island |
| HKGU | Hong Kong Islands Line |
| HKGX | Haines & Kibblehouse Inc. (The H&K Group) |
| HKIU | Hong Kong Islands Line |
| HKIU | Hong Kong Islands Line America, S. A. |
| HKPU | Hong Kong Islands Line |
| HKTU | Hong Kong Islands Line |
| HKTU | Hong Kong Islands Line America, S. A. |
| HKUU | Hong Kong Islands Line |
| HKUU | Hong Kong Islands Line America, S. A. |