| Acronym | Definition |
|---|
| GRTC➣Greater Richmond Transit Company |
| GRTC➣Greater Richmond Technology Council (Glen Allen, VA) |
| GRTC➣Great River Taoist Center (est. 1984; Washington, DC) |
| GRTC➣Grand Rapids Track Club (Michigan) |
| GRTC➣Graduate Research Training Program |
| GRTC➣Georgia Rehab Technology Council |