| Marine Hydrophysical Institute | Academic & Science |
| Musha | Airport Code |
| Members Health Insurance | Business |
| Medical and Health Insurance | Business |
| Morrison Management Specialists, Inc. | Business |
| Mcguyer Homebuilders Inc | Business |
| Manufactured Homes Inc | Business |
| Micropyretics Heaters International | Business |
| Media House International | Business |
| Mirowski Home Inspections, LLC | Business |
| Mitsubishi Heavy Industries, LTD. | Business |
| Mercy Housing Inc. | Business |
| Merchant House International Ltd | Business |
| McClelland and Hine Inc | Business |
| Medicare Hospital Insurance | Business |
| Manufactured Housing Institute | Community |
| Motion History Image | Community |
| Material Hazard Index | Electronics |
| Meet Him Inside | General |
| Median Household Income | General |
| Malignant Histiocytosis Of Intestine | General |
| Microbe Host Interactions | General |
| Monthly Hiring Indicator | General |
| Maximum Horizon Index | General |
| Mitsubish Heavy Industries | General |
| Multiple Hosted Instances | General |
| Model Highway Initiative | General |
| Motor Homes Inc. | General |
| Mitsubishi Heavy Industries | General |
| Minneapolis Heart Institute | Governmental |
| Material Handling Institute | Governmental |
| McAllister Heart Institute | Governmental |
| Municipal High Income | Governmental |
| Molecular Hydrogen Institute | Governmental |
| Medical Home Index | Governmental |
| MANIHARI | Indian Railway Station |
| Michael Hill International | International |
| Michael Hooker International | International |
| Manitoba Hydro International | International |
| Meat Hygiene Inspector | Jobs |
| Multicultural Health Institute | Medical |
| Master of Health Informatics | Medical |
| Mental Health Index | Medical |
| Mental Health Inventory | Medical |
| Mind Health Institute | Medical |
| Mental Health Integration | Medical |
| Mental Health Institute | Medical |
| Master of Healthcare Innovation | Medical |
| Military History Institute | Military and Defence |
| Marine Hydraulics International | Military and Defence |
| Musha, Djibouti | Regional |
