1) WWW group 
Intelligence and Security Committee. Established under the Intelligence Services Act 1994 to examine expenditure, administration and policy of the Security Service, SIS and GCHQ. (See: Parliamentary oversight).
Independent Schools Council.
International Society of Chemotherapy
Instruction Set Computer + Inter-Systems Communication [IBM]
Information Service Center
Integrated Systems and Controls (ISC) refers to a product section of the Material Handling Industry of America. An integrated system is a desired state that generally refers to at least one of the three possible characteristics of an installed material handling system. First, although mechanical automation of the material flow properties of a syste...
Internet Storm Center
Idle Speed Control
acronym: International Seismological Centre