5 Largest IT Services Companies in the World

3. Cisco Systems Inc (NASDAQ: CSCO)

Revenue: $51.6 billion

Market Cap: $187.95 billion

Assets: $90.4 billion

Employees: 75,900

Headquarters: San Jose, California

Cisco Systems is one of the biggest IT services companies in the world in terms of revenue, earning more than $50 billion annually. We all know Cisco as the tech giant to go to for switches, routers, and other networking equipment. Since 2015, the company has gone deeper into innovative software-related fields. Today, it focuses more on the Internet of Everything, cybersecurity, cloud computing, data centers, software, and analysis.

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