Computers

• Search/Retrieve via URL
  Search/Retrieve via URL
  Search/Retrieve via URL is a standard search protocol for Internet search queries, utilizing Contextual Query Language , a standard query syntax for representing queries.-External links:* at Library of Congress...
  
  , a protocol for Internet search queries
• Stable release update, a software update to stable releases

Organisations

• Scottish Rugby Union
  Scottish Rugby Union
  The Scottish Rugby Union is the governing body of rugby union in Scotland. It is the second oldest Rugby Union, having been founded in 1873, as the Scottish Football Union.-History:...
  
  , the governing body of rugby union in Scotland
• Slippery Rock University of Pennsylvania
  Slippery Rock University of Pennsylvania
  Slippery Rock University of Pennsylvania is a public, master's-level university that offers some doctoral programs in cooperation with Indiana University of Pennsylvania. Both institutions are members of the Pennsylvania State System of Higher Education...
  
  , a state-owned public university
• Sri Ramachandra University, a medical university in Chennai, India
• Strategic Response Unit or special response unit, a police unit tasked with special duties

Other

• Shop-Replaceable Unit, a type of line-replaceable unit
• Sulfur recovery unit, a device for reducing sulfur in industrial processes
• Strategic Response Unit, a fictional unit in the Flashpoint TV series
  Flashpoint (TV series)
  Flashpoint is a Canadian police drama television series that debuted on July 11, 2008, on CTV in Canada and ran on CBS in the United States for its first three and a half seasons. In 2011, Ion Television began airing new episodes of the series in the United States...