| Abbreviation | Definition |
|---|---|
| MIND | Mitcham Industries, Inc. |
| MINI | Mobile Mini, Inc. |
| MINIZ | Mobile Mini, Inc. |
| MINT | Micro Integration Corporation |
| MIPS | MIPS Technologies, Inc. |
| MIRG | Mirage Computers, Inc. |
| MIRM | Parts.Com, Inc. |
| MISI | Metro Information Services, Inc. |
| MISMF | MIS Multimedia Interactive SV (de-listed) |
| MIST | Avalon Capital, Inc. |
| MITK | Mitek Systems, Inc. |
| MITSY | Mitsui & Company |
| MITY | Mity Lite, Inc. |
| MIVA | MIVA, Inc. |
| MIXL | Microaccel, Inc. |
| MJDS | Mojo Data Solutions, Inc. |
| MJFC | Image Financial Corporation |
| MJNA | Medical Marijuana, INC. |
| MJXC | Majestic Companies, LTD. |
| MKAU | M K Gold Company (unlisted) |