Oaktree Specialty Lending Corp., a traded businesses development company invests in small and middle market companies located in the United States. The fund focuses on companies with revenues of $100 to $750 million. It targets companies operating in the fields of construction, communication, pharmaceuticals, metals & mining, movies & entertainment, healthcare technology, health services, software, biotechnology, retail, and aerospace & defense. It provides debt and equity financing for mezzanine and buyout stage capital requirements. It also makes co-investments.