NextMark takes the hassle out of buying and selling premium guaranteed inventory. Founded in 1999, NextMark provides match-making and collaborative workflow systems for media planning, ad sales, and ad operations. More than 1,500 leading agencies, publishers, brokers, consultants, and rep firms use NextMark’s patented technology to buy and sell more than 125,000 media programs in 15 online and offline channels. NextMark is headquartered in Hanover, New Hampshire and on the web at http://www.NextMark.com.