| Abbreviation | Definition |
|---|---|
| MEDJ | Medi- Ject Corporation |
| MEDM | Medamicus, Inc. |
| MEDP | Medplus, Inc. |
| MEDQ | Medquist, Inc. |
| MEDS | Medstone International, Inc. |
| MEDW | Mediware Information Systems, Inc. |
| MEDX | Medarex, Inc. |
| MEDY | Medical Dynamics, Inc. |
| MEGO | Mego Financial Corporation |
| MEHO | Meridian Holdings, Inc. |
| MEMH | Meemic Holdings, Inc. |
| MEMXY | Memorex Telex, N. V. |
| MENT | Mentor Graphics Corporation |
| MENU | International Menu Solutions, Inc. |
| MEOH | Methanex Corporation |
| MERB | Merrill Merchants Bancshares |
| MERCS | Mercer International, Inc. |
| MERG | Merger Mines Corporation |
| MERI | Meritrust Federal Savings Bank |
| MERQ | Mercury Interactive Corporation |