3348
- Building materials firm CRH refused to comment on reports that it is about to pay 180 million pounds stering for U.S. stone and concrete business Tilcon Inc .
 CRH, U.S., Tilcon Inc
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 CRH, U.S., Tilcon Inc