Advanced Infrastructure Technologies, Inc. (AIT) is the leading provider of composite infrastructure solutions. AIT oversees two divisions specializing in different infrastructure needs: AIT Bridges and AIT Manufacturing. AIT Bridges, located in Brewer, Maine, designs and manufactures the only AASHTO approved composite bridge superstructures. AIT Manufacturing manufactures composite products for the infrastructure and construction industry including, GBar®, GBolt®, and GWall®.