| Rank | Abbreviation | Meaning |
|---|
| ***** | GMCP | Generic MUD Communication Protocol
| |
| ***** | GMCP | Global Micro-Clinic Project
| |
| ***** | GMCP | Generic Media Control Profile
| |
| ***** | GMCP | Gun Mount Control Panel
| |
| ***** | GMCP | Gulf of Maine Cod Project
| |
| **** | GMCP | Graduate Marketing Certificate Program
| |
| **** | GMCP | ground maintenance computer program
| |
| **** | GMCP | GAMA COMPUTER CORP.
| |
| **** | GMCP | General Motors Coke Plant
| |
| **** | GMCP | Goat Mast Cell Protease
| |
| **** | GMCP | Government Mobile Communications Project
| |
| **** | GMCP | Green Mountain Co-Pack
| |
| *** | GMCP | Greater Merseyside Connexions Partnership
| |
| *** | GMCP | Golden Mariah Carey Page
| |
| ** | GMCP | Gms Cap Corp (OTC Bulletin Board [OTCBB])
| |
| * | GMCP | Geospatial Metadata Coal Permits
| |