RIB Software is a pioneering enterprise committed to driving innovation and technological advances in the construction and real estate industries. iTWO costX by RIB is the complete estimating solution and is used throughout the US and Canada. Clients can take advantage of world-leading 2D takeoff, 5D BIM support, integrated spreadsheets, bid-day system and customizable reports, all in the one program. Whether you’re a top tier contractor or a small business, we can help you evolve your estimating. Become faster, smarter & more accurate today with iTWO costX.