5 Largest Data Center Companies in the World

Below you can find the 5 largest data center companies in the world. For detailed coverage of this topic and a more comprehensive list, please see the 15 largest data center companies in the world.

5. China Unicom (NYSE: CHU)

Revenue: $21.67 Billion

Number of Employees: 29,544

Number of Data Centers: 550

Headquarter: Hong Kong

On February 8, 2000, China United Network Communications Group Co., Ltd (‘China Unicom’) was formally formed based on the merger between the former China Netcom and the former China Unicom. The company offers trusted end-to-end global integrated telecommunications services and solutions, including global connectivity services, global internet access, ICT services, cloud, Internet of Things (IoT), video conferencing, unified communications, content, and security services, and provides premium voice and mobility services to customers.

4. CenturyLink (NYSE: LUMN)

Revenue: $22 Billion

Number of Employees: 43,000

Number of Data Centers: 350

Headquarter: Monroe, Louisiana

CenturyLink is also known as Lumen Technologies is identified by key technology industry experts as a pioneer in the market for network services making it one of the largest data center companies in the world. CenturyLink is a telecommunications company that provides both residential and small business customers with high-speed Internet, cable, voice, television, and TV services.

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3. Amazon Web Services

Revenue: $35.03 Billion

Number of Employees: 45,833

Number of Data Centers: 175

Headquarter: Seattle, Washington

Amazon Web Services is the third-largest data center company in the world. AWS is the most systematic and widely adopted cloud platform in the world, offering over 175 fully-featured data center services globally. AWS provides far more services and functionality within these services, from infrastructure technology such as processing, storage, and databases to emerging technologies such as machine learning and artificial intelligence, data lakes and analytics, and the Internet of Things, than any other cloud provider.

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2. China Telecom Corp Ltd (NYSE: CHA)

Revenue: $54.4 Billion

Number of Employees: 281,215

Number of Data Centers: 456

Headquarter: Beijing, China

China Telecom Corporation Limited is the world’s largest and leading integrated intelligent information services provider in the number of data centers and employees. The company provides worldwide Internet Data Centers which provide secure hosting services that enable businesses to avoid the cost, complexity, and time needed to build and manage their facilities. China Telecom offers wireline and mobile telecommunications services, ISPs, information services. With 95% of networks for 1.2 billion people in 31 provinces, China Telecom dominates China’s biggest fixed-line telecommunications services. 

1. KDDI America

Revenue: $139.24 Billion

Number of Employees: 41,996

Number of Data Centers: 46

Headquarter: Staten Island, New York

Topping the list of the 5 largest data center companies in the world is KDDI America, the parent company of Telehouse. KDDI America runs Telehouse data centers in the U.S. with state of the are infrastructure, high-performance colocation, round-the-clock management and monitoring, and industry-leading security. The company grants access to over 800 connectivity partners including carriers, ISPs/ASPs, and many of the world’s largest private and public cloud service providers. KDDI has steadily grown its footprint over 40 data centers under the Telehouse brand, in 12 countries, more than 20 cities, covering a total of over 400,000 square meters.

See also 11 Largest Fiber Optic Companies in the US and 11 Countries with the Fastest Internet speeds in the World.