Penton Buys U.K.-Based Highline: Penton announced today that it has acquired Highline LP, a company based outside of London that provides data and sales information for the business and commercial aviation markets. The two companies have been partners for about sixteen years, with Highline providing its data for Penton's AC-U-KWIK brand, a directory of airports, fixed-base operators (FBOs) and the various suppliers that support the aviation market—fuel suppliers, maintenance, catering and so on.