| Abbreviation | Definition |
|---|---|
| MAP | Manchester Area Psychogeographic |
| MAP | Melbourne Ascending Photographers |
| MAP | Metro Agro Plex |
| MAPAI | Modified American Plan All Inclusive |
| MAPC | Maritime Applied Physics Corporation |
| MAPCO | Mansfield Aircraft Products Company |
| MAPE | Minnesota Association of Professional Employees |
| MAPS | Missions And Placement Service |
| MARC | Marlon Arbela Restaurant Corporation |
| MARC | Mast Antenna And Rotator Calculator |
| MARS | Matulich And Rowe Studios |
| MARS | Meeting And Reservation Service |
| MARS | Milwaukee Area Radio Stations |
| MARS | Music And Recording Superstore |
| MARS | Music And Recording Superstores |
| MASC | Manitoba Agricultural Services Corporation |
| MASC | Monroe Actors Stage Company |
| MASI | Missouri Aquarium Society Inc |
| MASS | Mikdenmark Audio Sound Studio |
| MASSI | Mid Atlantic Storage Systems Inc |