| WRTC | FM-89.3, Radio Trinity College, Hartford, Connecticut 
| Others |
| WRTC | Waco Regional Tennis Center
| Others |
| WRTC | Walter Rand Transportation Center
| Others |
| WRTC | Warburton Rail Trail Committee
| Others |
| WRTC | Washington Regional Transplant Community
| Others |
| WRTC | Washington Regional Transplant Consortium
| Others |
| WRTC | Waterford Regional Technical College
| Others |
| WRTC | Watershed Research and Training Center
| Others |
| WRTC | Welding Repair Technology Center
| Others |
| WRTC | Wind River Tribal College
| Others |
| WRTC | World Radio Team Championship
| Others |
| WRTC | World Radiosport Team Championship
| Others |
| WRTC | Writing Rhetoric and Technical Communication
| Others |