Trex is a full featured inventory management system. iTrex is comprised of the following major sub-systems: part master, bill of materials, purchase orders, work orders, sales orders, invoicing, receiving, stock room, address book, and security.

Users can track parts via parts lists, BOMs, purchase orders, receiving, and stock room locations.

Advanced features such as custom reports, queries, user-level access, and Winfax capabilities are also available.