AIG Expands Capabilities in Knoxville Facility Continuing the Company's Ongoing Expansion Momentum News provided by Share this article Share this article ATLANTA, March 8, 2021 /PRNewswire/ -- American Insulated Glass, LLC (AIG), a leading glass fabricator and wholesale distributor for commercial and residential markets, has completed a number of improvements to the fabrication facility in Knoxville, Tennessee, designed to expand the facility's insulating glass fabrication capabilities and improve the level of service experienced by customers. The improvements to the Knoxville facility include a supplementary tempering furnace to increase capacity, the addition of a LiSEC bending machine, a LiSEC butyl extruder, and a new 96" automated cutting table.