THI is the holding company for Extang Corporation, TruXedo, Inc., BedRug, Inc, UnderCover Inc. and Advantage Truck Accessories, Inc. Extang and TruXedo are the two leading manufacturers of soft tonneau covers for the automotive aftermarket. Based in Ann Arbor, Michigan, Extang was founded in 1982 as mail order company selling headlight covers and produced their first "no-drilling" tonneau cover in 1984. Based in Yankton, South Dakota, TruXedo was previously a division of Shur-Company. It was started in 2000 with the launch of its first soft roll-up tonneau cover and has since grown into the largest provider of soft roll-up tonneau covers. Based in Nashville, Tennessee, BedRug is the leading manufacturer of high-end cushioned and carpeted protective liners for the bed of a pickup truck. Based in Rogersville, Missouri, UnderCover is the leading manufacturer of one-piece ABS composite truck bed covers. Founded in 2002, Advantage Truck Accessories is an ISO-certified manufacturer and distributor of soft tonneau covers to OEM and aftermarket customers. THI brings together five of the premier brand names in the industry to create a significant player in truck aftermarket.