AVANTech Inc. » Executive Council Directory Go back to directory. Add to Address Book. AVANTech Inc. No Photo Available AVANTech Inc. Contact: Gary Benda Work 2050 American Italian Way Columbia SC 29209 United Stateswork Work Phone: (803) 407-3869work Work Email: toraqn@ninagrpuvap.pbzmoc.cnihcetnava@adnebgINTERNET