Concentration Risk

6 Months Ended

Jun. 30, 2013

11.

Concentration 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 audience ratings service and related software licensing revenue accounted for the following percentages, in the aggregate, of total Company revenue:


	Three Months Ended June 30, 2013			Three Months Ended June 30, 2012			Six Months Ended June 30, 2013			Six Months Ended June 30, 2012
Quantitative radio audience ratings service and related software licensing revenue		81	%		82	%		88	%		89	%

The Company had one customer that individually represented approximately 19% of its revenue for the six-month period ended June 30, 2013. The Company had two customers that individually represented approximately 22%, and 20% of its total accounts receivable balance as of June 30, 2013, and one customer that individually represented approximately 26% of its total accounts receivable balance as of December 31, 2012. The Company has historically experienced a high level of contract renewals.

- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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