 It specializes in the field of authorized generics, generic drugs manufactured by the branded innovator company but marketed under a private label.According to IMS Health, the pharmaceutical industry auditing service, Prasco is one of the fastest growing pharmaceutical companies in the industry, in terms of relative growth and prescriptions dispensed for the years 2005 and 2006.Although it does not release financial data, $150 million in sales were tracked by an independent consulting company during 2005, reportedly doubling the previous years' figures.