North Venice's PGT, Inc. on Wednesday announced a new brand name, PGT Innovations, that brings together three window and door manufacturers: CGI, PGT Custom Windows & Doors and WinDoor. The official unveiling will take place at the 2017 NAHB International Builders' Show, which takes place in Orlando Jan. 10-12. PGT Innovations employs 2,600 Floridians and is the largest employer in Sarasota County.