| Health Care Policy | Academic & Science |
| Homogeneous Cauchy Problem | Academic & Science |
| Human Capital Planner | Business |
| Health Care Property Investments, Inc. | Business |
| Hardened Cement Paste | Business |
| The Hotel Corporation, P.L.C. | Business |
| Hangman Creek Project | Community |
| Hand Colored Print | Community |
| Honors Cooperative Program | Community |
| Healthcare Computing Publications | Community |
| Host Configuration Protocol | Computing |
| Host Command Processor | Computing |
| Help Center Pluggable Protocol | Computing |
| Host Command Protocol | Computing |
| Hitachi Certified Professional | Computing |
| Hortonworks Cybersecurity Platform | Computing |
| Hardware Certification Program | Computing |
| Hybrid Cloud Platform | Computing |
| Hexagonal Close Packed | Electronics |
| Hitachi Content Platform | General |
| Houston Center for Photography | General |
| Heirloom Cacao | General |
| Hertz Compact Power | General |
| High Current Pro | General |
| Highland Capital Partners | General |
| Human Connectome Project | General |
| Hexagonal Closed Packed | General |
| High Card Points | General |
| Hazardous Critical Procedures | General |
| Hard Core Pornography | General |
| HANA Cloud Platform | General |
| Heirloom Cacao Preservation | General |
| Hispanos Causando Panico | General |
| Herbal Composition Powder | General |
| Halal Control Points | General |
| Host Cell Protein | General |
| Hamiltonian Cycle Problem | General |
| Honda Club of the Philippines | General |
| Honda Cars Philippines | General |
| High Cylinder Pressure | General |
| Hybrid Control Processor | General |
| Hydrogen Combustion Power | General |
| Hurwitz Controls The Process | General |
| Hurwitz Clearcutting Plan | General |
| Help Center Provider | General |
| Hydraulic Crush Point | General |
| Hurricane City Punks | General |
| The Human Completion Project | General |
| His Command Performance | General |
| Hollerith Census Project | General |
| Hilux Club Philippines | General |
| Hydraulic Cap | General |
| Hydraulic Coupler | General |
| Hub Cap | General |
| Hyundai Clube Portugal | General |
| Hearing Conservation Program | Governmental |
| Habitat Conservation Plan | Governmental |
| HARCHANDPUR | Indian Railway Station |
| Human Communications Protocol | Internet |
| Health Care Provider | Jobs |
| healthcare professional | Medical |
| Healthy Cities Program | Medical |
| hereditary coproporphyria | Medical |
| Health Care Providers | Medical |
| Health Care Professionals | Medical |
| Health Comfort Package | Medical |
| Health Care Program | Medical |
| Healthcare Partners | Medical |
| Health Consumer Powerhouse | Medical |
| Health Care Practitioner | Medical |
| Health Care Personnel | Medical |
| Hardcopy Printer | Military and Defence |
| Hexagonally Close-packed | Physics Related |
| Housing Choice Partners | Real Estate |
| Honneur Count Points | Sports |
