What does GMTC stand for?

Chief Gunner's Mate, Technician - Navy rating

Game Tech International, Inc. - NASDAQ symbol (NASQ)

General Motors Technical Center (SAUO)

Geometric Mean Titer of Controls (MELL)

Gland Manufacturers' Technical Committee (HEAS)

Glasgow Marine Technology Centre - Glasgow University - United Kingdom (RCD)

Glutamate Manufacturers Technical Committee (EA)