Editing CIS (section)

==Organizations==
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===United States===
* [[Center for Immigration Studies]], an American anti-immigration think tank
* [[United States Citizenship and Immigration Services]], a US government agency

===British===
* [[Christians in Science]], a UK organization
* [[Co-operative Insurance Society]], a British insurance company

===Canadian===
* [[Canadian Ice Service]], a division of the Meteorological Service of Canada
* [[Canadian Identification Society]], of police and civilians in crime scene investigation
* [[Canadian Interuniversity Sport]], a former name of the national governing body of university sport

===Eurasian===
* [[Commonwealth of Independent States]], a Eurasian intergovernmental organization
** [[CIS national football team]], a National association football team

===Other===
* [[Centre for Independent Studies]], an Australian libertarian think tank
* [[Centro de Investigaciones Sociológicas]], a Spanish public research institute
* [[CIS Corps (Ireland)]], Communications and Information Services Corps, Irish combat support corps
* [[Cisalpino]], Swiss–Italian railway company (CIS in timetables)
* [[Commonwealth Police]] (Commonwealth Investigation Service), an Australian security service, 1945 to 1960