RBI was founded in 1975 by Marvin Gearhart as a manufacturer of tri-cone bits, and expanded its business into PDC bits and MWD tools in 2002 and 2003, respectively. Widely recognized as the fastest growing drill bit company in the world, Ulterra is the bit supplier of choice when drillers require a partner with un-matched credibility and a commitment to excellence. Ulterra is unique by its flexibility to changing drilling dynamics and its ability to respond to a customer’s specific applications with customized solutions. Its strength resides in the experience and wisdom culled from industry veterans, designing, manufacturing and repairing high-quality, high-performance PDC bits for a global market. With over 500 employees spanning major drilling markets around the world, Ulterra strives to earn your trust first and then your business.