182972
Life By 1510 Pakington had completed an apprenticeship with the Mercers ' Company , one of the twelve great livery companies of London , and was exporting cloth and importing various wares .
 Mercers ' Company
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mercers ' Company