GTTC Views 9 meanings found GTTC is applied to technical committees in genetic toxicology and ground testing, as well as to the Global Technology and Training Center that offers technology‑focused education. Medical Genetic Toxicology Technical Committee Miscellaneous Goodfellow Technical Training Center Community Gymnastics Tape Trading Club Ground Testing Technical Committee Governmental Government Toolroom and Training Center Academic & Science Guilford Technical Community College Computing Geoscience Technology Training Center Global Technology and Training Center Genetics Translational Technology Core