Top 5 Publicly Traded Consulting Firms by Revenue

2. International Business Machines (NYSE:IBM)

Revenue (TTM) as of June 30: $60.5 Billion

Ranked second on our list of the top 10 publicly traded consulting firms by revenue is International Business Machines (NYSE:IBM). Based in the US, it is a multinational technology corporation that spans 175 countries. IBM is one of the world’s largest industrial research organizations. As of June 30, International Business Machines (NYSE:IBM) has a trailing twelve-month revenue of $60.5 billion. 

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