10 Fastest Growing Private Companies in America

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  1. PANTHERx Specialty Pharmacy
  2. Billing itself as a specialty pharmacy for rare and chronic diseases, PANTHERx Specialty Pharmacy is a company based in Pittsburgh, Pennsylvania, that formulates treatments for patients with diseases such as multiple sclerosis, AIDS, and cancer. The company grew its revenue by 1,338% during the three-year period, from $3.17 million in 2012 to $42.40 million in 2015.

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