| Abbreviation | Definition |
|---|---|
| HBBPB | H S B C Bank P. L. C., Preferred B |
| HBBPC | H S B C Bank PLC., Preferred C |
| HBBPD | H S B C Bank PLC., Preferred D |
| HBC | H S B C Holdings, P. L. C. |
| HBI | Homebase, Inc. |
| HBM | HudBay Minerals, Inc., Ordinary Shares |
| HBP | Huttig Building Products, Inc. |
| HC | Hanover Compressor Company Holdings Corporation |
| HCC | H C C Insured Holdings, Inc. |
| HCN | Health Care Real Estate Investment Trust, Inc. |
| HCNPB | Health Care Real Estate Investment Trust, Inc. Preferred B |
| HCO | Huntco, Inc. |
| HCP | Health Care Property Investments, Inc. |
| HCPPA | Health Care Property Investments, Inc. Preferred A |
| HCPPB | Health Care Property Investments, Inc. Preferred B |
| HCPPC | Health Care Property Investments, Inc. Preferred C |
| HCR | Manor Care, Inc. |
| HD | Home Depot, Inc. |
| HDC | Hadco Corporation |
| HDD | Quantum Corporation |