Oaktree Specialty Lending Corporation, formerly Fifth Street Finance Corp., is a specialty finance company. The Company is focused on providing customized one-stop credit solutions to companies with limited access to public or syndicated capital markets. The Company provides companies with flexible financing solutions including first and second lien loans, unsecured and mezzanine loans, and preferred equity. The company acts as a business development company. The Company serves various industries, including Internet software and services, healthcare services, multi-sector holdings, advertising, healthcare equipment, pharmaceuticals, construction and engineering, research and consulting services, and industrial machinery. The Company's investment advisor is Oaktree Capital Management, L.P.