| Abbreviation | Definition |
|---|---|
| HMTC | Homasote Company |
| HMTNF | Home Ticket Network Corporation |
| HMTT | H M T Technology Corporation |
| HMWK | Advanced Voice Technology, Inc. |
| HMWKU | Advanced Voice Technology, Inc. |
| HMWKW | Advanced Voice Technology, Inc. Warrants |
| HMXDF | Hymex Diamond Corporation |
| HNAB | Hana Biosciences, Inc. |
| HNBC | Harleysville National Corporation |
| HNBK | Hanmi Bank of Los Angeles, California |
| HNBLD | Hannibal, LTD. |
| HNCS | H N C Software, Inc. |
| HNFSA | Hanover Foods Corporation Class A |
| HNSP | H-Net.Com, Inc. |
| HNTB | Harbor National Bank |
| HNWCC | Hawaiian National Water Company, Inc. |
| HNWWC | Hawaiian National Water Company, Inc. |
| HOEHY | Hoechst , A. G. |
| HOEN | Hoenig Group, Inc. |
| HOFF | Horizon Offshore, Inc. |