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In 1964 , the Interstate fleet merged with McIlwraith , McEacharn & Co , and the partnership developed the world 's first purpose built container ships .
 McIlwraith , McEacharn & Co
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 McIlwraith , McEacharn & Co