| Abbreviation | Definition |
|---|---|
| MEDC | Michigan Economic Development Corporation |
| MEDC | Middletown Economic Development Corporation |
| MEDC | Milwaukee Economic Development Corporation |
| MEDC | Missouri Economic Development Council |
| MEDO | Manchester Economic Development Office |
| MEDS | Medicaid Encounter Data System |
| MEDS | Minority Economic Development System |
| MEDT | Ministry of Economic Development and Trade |
| MEHRD | Ministry of Education Human Resources Development |
| MEHRD | Ministry of Education & Human Resources Development |
| MEIS | Municipality Emergency Information System |
| MEL | Municipal Excess Liability |
| MEMA | Maine Emergency Management Agency |
| MEMA | Maryland Emergency Management Agency |
| MEMA | Mississippi Emergency Management Agency |
| MEMS | Municipal Equipment Management System |
| MEO | Medical Examiner's Office |
| MERP | Medicaid Estate Recovery Program |
| MERS | Mobile Emergency Response Support |
| MES | Medical Emergency Services |