| Abbreviation | Definition |
|---|---|
| MTAI | Michael Taylor Architects Inc |
| MTAP | Millennium Travel and Promotions |
| MTBA | Mississauga Technology Business Accelerator |
| MTBC | Medical Transcription and Billing Corporation |
| MTBC | Medical Transcription Billing Corp |
| MTBC | Medical Transcription Billing Corporation |
| MTBI | Mutual Trust Business Integrator |
| MTBS | Maritime Transport Business Solutions |
| MTBS | Maritime & Transport Business Solutions |
| MTC | Main Trading Company |
| MTC | Management & Training Corporation |
| MTC | Management Training Corporation |
| MTC | Margaretville Telephone Company |
| MTC | Marin Theatre Company |
| MTC | Materials Transportation Company |
| MTC | Moroccan Tide Company |
| MTC | Mystic Terminal Company |
| MTCC | Maldives Transport and Contracting Company |
| MTCC | Metropolitan Toronto Condominium Corporation |
| MTCC | Mushrif Trading and Contracting Company |