| Abbreviation | Definition |
|---|---|
| MTFG | Manchester Training Fitness & Gyms |
| MTFG | Mitsubishi Tokyo Financial Group |
| MTFI | Makati Tourism Foundation Inc |
| MTFN | Meissner, Tierney, Fisher, & Nichols, S.C. |
| MTFX | Money Trader Foreign eXchange Corporation |
| MTH | Mikes Train House |
| MTI | Madison Teachers Inc |
| MTI | Masonry Technologies, Inc. |
| MTI | Mechanical Technologies Inc |
| MTI | Metal Technology Inc |
| MTI | Metamaterial Technologies Inc |
| MTI | Michael Thomas International |
| MTI | Micro Technologies, Inc. |
| MTI | Microelectronics Technology Inc |
| MTI | Milliren Technologies Inc |
| MTI | Minnesota Technology, Inc. |
| MTI | Minnesota Technology, Incorporated |
| MTI | MIPS Technologies Inc |
| MTI | MIPS Technologies, Incorporated |
| MTI | Mitutoyo Tools And Instruments |