| Abbreviation | Definition |
|---|---|
| MOIL | Madagascar Oil |
| MOL | Molex Inc |
| MOLA | Molex Inc 'A' |
| MOLD | Magyar Olaj Rgs |
| MONI | Monitise |
| MONY | Moneysup. |
| MORT | Mortice |
| MOS | Mobile Streams |
| MOSB | Moss Bros. |
| MPE | M.p. Evans |
| MPI | Michael Page |
| MPLE | Maple Energy |
| MPO | Macau Property |
| MRC | Mercantile |
| MRCH | Merchants Tst |
| MRG | Mercury Recyc. |
| MRM | Metrodome Group |
| MRM | Metrodome Grp. |
| MRN | Morson Group |
| MRN | Morson Grp |