| Abbreviation | Definition |
|---|---|
| HFWA | Heritage Financial Corporation of Washington |
| HGAT | Healgate Data Corporation |
| HGFN | HomeGold Financial, Inc. |
| HGGR | Haggar Corporation |
| HGIC | Harleysville Group, Inc. |
| HGMCY | Harmony Gold Mining, LTD. |
| HGPI | Horizon Group Properties |
| HGRD | HealthGrades.com, Inc. |
| HGSI | Human Genome Sciences, Inc. |
| HHFC | Harvest Home Financial Corporation |
| HHGP | Harris & Harris Group, Inc. |
| HHGP | Harris & Harris Group, Incorporated |
| HHHI | Historic Harder Hall, Inc. |
| HHHI | Historic Harder Hall, Incorporated (de-listed) |
| HHHI | Historic Harder Hall, Incorporated (de-listed) |
| HHNT | Headhunter.Net, Inc. |
| HIAI | H I A, Inc. |
| HIBB | Hibbett Sporting Goods, Inc. |
| HIBNY | Hibernia Foods, P. L. C. |
| HIBWF | Hibernia Foods, P. L. C. |