Indivior Pharmaceuticals Inc. operates as a holding company, primarily engaged in the research, production, and distribution of buprenorphine-based prescription medications designed to treat opioid dependence. Its product lineup features key pharmaceuticals such as Suboxone Film, Suboxone Tablet, and Subutex Tablet. The company organizes its business into several geographical regions: the United States, the United Kingdom, and the broader international market.