SonAir Airline Services, S.A. (SonAir Serviço Aéreo), known as SonAir, is a subsidiary of Sonangol Group, the National Petroleum Company of Angola. Its core business is helicopter transportation services to the oil industry operating in Angola, by ferrying people from and to onshore and offshore facilities, and beyond that they also provide worldwide air services to other business and or single entities. Occasionally the company provides charter services within Africa.