Significant Customers and Concentration of Credit Risk

12 Months Ended

Dec. 31, 2012

Significant Customers and Concentration of Credit Risk

15.    Significant Customers and Concentration of Credit Risk

Arbitron is a leading media and marketing information services firm primarily serving radio, advertisers, advertising agencies, cable and broadcast television, retailers, out-of-home media, online media, mobile media, telecommunications providers, and print media. The Company’s quantitative radio ratings services and related software accounted for approximately 88 % of its total revenue in each of the years ended December 31, 2012, 2011, and 2010.

The Company had one customer that individually represented approximately 20%, 19%, and 20% of its annual revenue for the years ended December 31, 2012, 2011, and 2010, respectively. The Company had one customer that individually represented approximately 26% of the Company’s total accounts receivable as of December 31, 2012, and two customers that individually represented approximately 23% and 11% of the Company’s total accounts receivable as of December 31, 2011. The Company has historically experienced a high level of contract renewals.