11400
Recent clients include Actavis , Alcoa , Fluor Corporation , Gannett , GlaxoSmithKline , London Stock Exchange Group , Safeway , Tesco , Teva , and the US Department of Treasury .
 Actavis, Alcoa, Fluor Corporation, Gannett, GlaxoSmithKline, London Stock Exchange Group, Safeway, Tesco, Teva, US Department of Treasury
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Actavis, Alcoa, Fluor Corporation, Gannett, GlaxoSmithKline, London Stock Exchange Group, Safeway, Tesco, Teva, US Department of Treasury