Nielsen Audio

Arbitron ( NYSE: ARB ) is a market research company in the U.S.. It is the market leader in the range studies for radio stations.

The company founded in 1949, is headquartered in Columbia. It achieved 2009 sales of 376 million U.S. dollars. The number of employees was 1300. The company has developed the Portable People Meter, can detect the listening habits significantly more accurate than previous largely based on surveys survey methods for radio use.