| Abbreviation | Definition |
|---|---|
| MMII | Magic Miracles International, Inc. |
| MMIO | MOMIO, Inc. |
| MMKR | Mile Marker, Inc. |
| MMPT | Modem Media Poppe Tyson I |
| MMRX | Mednet M P C Corporation |
| MMSI | Merit Medical Systems, Inc. |
| MMSYW | Marine Management Systems, Inc. Warrants |
| MMTC | Micro Imaging Tech, Inc. |
| MMTI | Micromem Technologies, Inc. |
| MMTIF | Micromem Technologies, Incorporated |
| MMTM | Momentum Business Applications |
| MMTRS | Mills Music Trust |
| MMTSD | Multi- Media Tutorial Services |
| MMTWD | Multi- Media Tutorial Services |
| MMUS | Mighty Mack U S A, LTD. |
| MMWW | Metamor Worldwide, Inc. |
| MMXI | Media Metrix, Inc. |
| MNBB | M N B Bancshares, Inc. |
| MNCGP | Michigan Consolidated Gas Company Preferred |
| MNEAF | Minera Andes, Inc. |