| Abbreviation | Definition |
|---|---|
| MTEC | Matchtech |
| MTH | Mithras Inv.tst |
| MTL | Metals Explore |
| MTO | Mitie Grp. |
| MTT | Metal-tech |
| MTU | Montanaro Uk |
| MTV | Motive Television (de-listed) |
| MTV | Motive Television (de-listed) |
| MTV | Motive Tv |
| MTVW | Mountview Est. |
| MTW | Mattioli |
| MUBL | Mbl Group |
| MUL | Mulberry Group |
| MUR | Murgitroyd |
| MUT | Murray Income Trust, P.L.C. |
| MVI | Marwyn Val. |
| MVIB | Marwyn Val. B |
| MWA | Mwana |
| MWB | Mwb Group |
| MWE | Mti Wireless |