Traxus Heavy Industries, also known simply as Traxus or THI, is a megacorporation spanning more than a dozen industries and hundreds of planets. Founded in 2388, the company began its role as a private military contractor to the United Nations Space Command Defense Force in 2409. By 2500, Traxus became the primary frontline construction service for the UNSC service, often constructing temporary bases under the protection of UNSC personnel and/or their own contractors.