New York-Primedia named Tim Andrews CEO of Intertec Publishing, one of the world's biggest technical and trade publishing companies, with more than 100 publications, 30 trade shows and 450 books and directories. Andrews has been president-CEO of Primedia's IndustryClick unit, which will continue to report to him. He'll report to David Ferm, president-CEO of Primedia's b-to-b unit. Andrews replaces Cam Bishop, Intertec president-CEO, who is leaving the company. Ron Wall, previously chief operating officer of Intertec, was named president.