| Abbreviation | Definition |
|---|---|
| HKMC | Hyundai Kia Motors Corporation |
| HKW | Hammond, Kennedy, Whitney Company, Inc. |
| HKW | Hammond, Kennedy, Whitney & Company, Inc. |
| HLA | Helen Langridge Associates |
| HLB | Herbst Lazar Bell, Inc. |
| HLB | Hillsborough Resources, LTD. |
| HLB | Hilton Long Beach |
| HLBE | Heron Lake BioEnergy |
| HLBM | Shanghai Huili Building Materials Company Limited |
| HLBS | Honourable Lead Boiler Suit Company |
| HLBT | Ha Long Bay Tours |
| HLC | Hackney Law Centre |
| HLC | HAI Lighting Control |
| HLC | Harry Lillis Crosby |
| HLC | Healdsburg Lumber Company |
| HLC | Holland Land Company |
| HLC | Holman Learning Center |
| HLC | Home Loans Canada |
| HLC | Homer Laughlin China Company |
| HLCA | Home Lighting Control Alliance |