| Abbreviation | Definition |
|---|---|
| HEAD | Headlam Group |
| HEGY | Helius Eng |
| HEP | Hephaestus |
| HER | Herencia |
| HEXD | Hexaware Gds S |
| HFCA | Himachal Gdr |
| HFCD | Himachal Gdr(s) |
| HFD | Halfords |
| HFEL | Hend.far East |
| HFG | Hilton Food |
| HFT | Hend.fledge.tst |
| HGG | Henderson Group P.L.C. |
| HGG | Henderson Grp |
| HGM | Highland Gold |
| HGPC | Hend. Global |
| HGR8 | Hangar 8 |
| HGT | Hg Capital |
| HGTS | Hg Capital Sub |
| HGV | Hasgrove |
| HHI | Hend.High, Inc. |