| Acronym | Definition |
|---|
| GMTC➣General Motors Technical Centre |
| GMTC➣Greater Metro Telecommunications Consortium (Denver, CO) |
| GMTC➣Glasgow Marine Technology Centre (UK) |
| GMTC➣Gospel Ministries to Children (est. 1998; Perkasie, PA) |
| GMTC➣Gland Manufacturers' Technical Committee (UK) |
| GMTC➣Governor Mobile Tactical Command, Inc. (Spring City, TN) |