| Abbreviation | Definition |
|---|---|
| MWT | Mid-West Terminal Warehouse Company |
| MWT | Millimeter Wave Technology, Inc. |
| MWV | MeadWestvaco Corporation |
| MWW | Manual Woodworkers and Weavers |
| MWW | Mark's Work Wearhouse |
| MWW | Meridian Worldwide Logistics |
| MWX | Midweek Express Service |
| MXIT | MiX IT |
| MYAG | This is a company. |
| MYB | Minding Your Business |
| MYE | Manage Your Event |
| MYE | Mikro YazilimEvi |
| MYG | Martin's Yard & Garden |
| MYI | MOORE & YOUNG INCORPORATED |
| MYIQ | MyIQ, Inc. |
| MYP | Muslim Yellow Pages |
| MYPT | MY Personal Trainer |
| MYPT | Mypoints.Com, Inc. |
| MYR | Myrtle Beach International Airport |
| MYSP | Myspace |