Mayne Pharma Group Limited, a specialty pharmaceutical company, manufactures and sells branded and generic pharmaceutical products in Australia, the United States, Korea, and internationally. It operates through four segments: Generic Products, Specialty Brands, Metrics Contract Services, and Mayne Pharma International. The company also offers oral drug delivery systems; and contract development and manufacturing services to third-party customers. The company was formerly known as Halcygen Pharmaceuticals Limited and changed its name to Mayne Pharma Group Limited in November 2010. Mayne Pharma Group Limited was incorporated in 2005 and is based in Salisbury South, Australia.