| Hanrahan Meyers Architects | Academic & Science |
| Hagemeister Mack Architects | Academic & Science |
| Hagemeister and Mack Architects | Academic & Science |
| Herd Management Area | Business |
| Health Management Associates, Inc. | Business |
| Heads of Medicines Agencies | Business |
| Horticultural Marketing Associates | Business |
| Hidden Marketing Assets | Business |
| Huntsman Marketing Association | Business |
| Hospitality Marketing Associates | Business |
| Horse Management Area | Business |
| Hotel Management Agreement | Business |
| Health Management Associates | Business Management |
| Hillstone Maintenance Association | Community |
| Housatonic Museum Of Art | Community |
| Hobby Manufacturers Association | Community |
| Hardwood Manufacturers Association | Community |
| High Museum of Art | Community |
| Hispanic Management Association | Community |
| Housing Market Analysis | Community |
| Hashing for Message Authentication | Computing |
| Human Machine Adaptation | Computing |
| Hub Management Architecture | Computing |
| Hull Moving Average | General |
| High Mountain Asia | General |
| Hyundai Motor America | General |
| Heavy Metal ATPase | General |
| Harvard Maintenance Agreement | General |
| High Mileage | General |
| Highway Maintenance Agreement | General |
| Highway Merge Assistant | General |
| Hyundai Motor Algerie | General |
| Haval Motors Australia | General |
| Honda Motor de Argentina | General |
| Historic Motoring Awards | General |
| Husaberg Motor Ab | General |
| Hair Mineral Analysis | General |
| Heavy Metal Alloy | General |
| Hazard Mitigation Assistance | General |
| Hot Mix Asphalt | General |
| Happiest Man Alive | General |
| Hugo Matthew Azariah | General |
| Heterogeneous Missions Accessibility | General |
| Hot Mixed Asphalt | General |
| Hot Melt Adhesive | General |
| Honda Manufacturing of Alabama | General |
| Hispanic Male Adult | Governmental |
| Halal Monitoring Authority | Governmental |
| HUMMA | Indian Railway Station |
| High Memory Area | Information Technology |
| Hide My A** | Internet |
| Humanized Monoclonal Antibody | Medical |
| Health Market Analysis | Medical |
| Health Ministries Association | Medical |
| Heteroduplex Mobility Assay | Medical |
| Healthcare Management Administrators | Medical |
| Healthcare Management Associates | Medical |
| Health Matching Account | Medical |
| Humanitarian Mine Action | Military and Defence |
| Helicopter Maritime Attack | Military and Defence |
| Hide My Ass | Networking |
| City Hovercraft Station, Malmo, Sweden | Regional |
| Hypergot Maintenance Area | Space Science |
