Xizor Transport Systems (XTS), also known as Xizor Transport Company, was a major shipping conglomerate owned by PrinceXizor with its corporate headquarters located on Coruscant. One of their most commonly used ships was the AEG-77 Vigo.
The profits from XTS helped finance Xizor's Black Sun operations and provided a front for credit laundering. It also allowed Xizor to gain contacts within the Galactic Empire, by winning a number of lucrative Imperial contracts for defense projects, such as the second Death Star.
It was said that the credits made from the XTS alone was enough to make Xizor a wealthy being, however, added to the profits of Black Sun Xizor became one of the wealthiest beings in the galaxy, surpassed only by the Emperor and Darth Vader.