In 2004, Ortmann made a business called Ortmann Billiards, which makes pool products. Ortmann Billiards also makes air hockey, darts and poker supplies. Ortmann reached the final of the 2004 World Pool Masters, but was defeated 6–8 by Thomas Engert. Two years later, he joined the International Pool Tour and continued competing in events sanctioned by other organizations. Ortmann won the 2007 World Pool-Billiard Association World Straight Pool Championship, defeating Danny Barouty 200–56, Dennis Orcollo 200–7, and Danny Harriman 200–123 to reach the final. There, he defeated Huidji See 200–171 for his second world championship. Ortmann made the tournament's third-highest , a 131. He also played in the 2007 World Pool Masters, defeating Naoyuki Ōi 8–3 in the first round before losing 3–8 in the quarter-finals to David Alcaide.