HHTC

AcronymDefinition
HHTCHitachi High-Technologies Canada (Toronto, Canada)
HHTCHaven High Technology College (Boston, Lincolnshire, England, UK)
HHTCHelen Hayes Theatre Company (Nyack, NY)
HHTCHabitat for Humanity of Teller County (Woodland Park, CO)
HHTCHemel Hempstead Theatre Company (Hertfordshire, UK)
HHTCHoneywell High Technology Center (Minneapolis, Minnesota)
HHTCHigh Humidity Trach Collar