•
Shetland Islands Council, the local authority serving Shetland, Scotland, from 1975 to the present •
SIC Ferries, a council-owned company operating inter-island ferry services in Shetland •
SIC Insurance Company, a Ghanaian insurance company •
Sociedade Independente de Comunicação, a Portuguese television network and media company that owns the following channels: •
SIC Caras •
SIC Internacional •
SIC K •
SIC Mulher •
SIC Notícias •
SIC Radical •
SIC TV, a television station in Porto Velho, Rondônia, Brazil • Standing Interpretations Committee, see
International Financial Reporting Standards, to provide a common global language for business affairs •
Swiss Interbank Clearing system, a mechanism for the clearing of domestic and international payments •
Standard Industrial Classification, a system for classifying industries by a four-digit code •
United Kingdom Standard Industrial Classification of Economic Activities, intended to classify businesses according to the type of their economic activity •
Scottish Independence Convention, a Scottish convention of pro-independence forces to establish an independent Scotland. •
Security Insurance Company, in Bulgaria ==Science and technology==