Business

• Canada Lands Company
• Canadian Locomotive Company
• Cheshire Lines Committee, a Joint Railway in the United Kingdom.
• CLC bio
• Collegiate Licensing Company

Education

• Cambridge Latin Course
• Cheltenham Ladies College
• City Learning Centre
• College of Lake County, a community college in Grayslake, Illinois
• Contemporary Learning Center, an alternative state-operated school in Houston, Texas

Religion

• Calvary Lutheran Church - A common name for Christian churches
• Christian Life Centre - A common name for Pentecostal Christian churches in Australia
• Christian life community
• Church of the Lutheran Confession - An American Lutheran denomination
• College of Lake County, a community college in Illinois
• Concordia Lutheran Conference, a group of Lutheran churches
• Covenant Life Church, the flagship church of Sovereign Grace Ministries

Other

• Canada Labour Code
• Canadian Labour Congress
• Chemical looping combustion
• Chinese Library Classification
• Cholesteric liquid crystal
• Closed-Loop Control in control theory
• Combat Logistics Company - logistics units within the United States Marine Corps.
• Company Leased Car (India)
• Concerned Local Citizens, Iraqi ad hoc auxiliary police forces.
• Contemporary Literary Criticism, a literary journal.
• Mercedes-Benz CLC-Class
• comp.lang.c, a Usenet group about C programming language.
• Command Light Cruiser

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