Fujitsu Ltd. , commonly referred to as Fujitsu, is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan. In 2015, it was the world's fourth-largest IT services provider measured by IT services revenue (after IBM, HP and Accenture). Fortune named Fujitsu as one of the world's most admired companies and a Global 500 company. Fujitsu chiefly makes computing products, but the company and its subsidiaries also offer a diversity of products and services in the areas of personal computing, enterprise computing, including x86, SPARC and mainframe server products, as well as storage products, telecommunications, advanced microelectronics, and air conditioning. It has approximately 159,000 employees and its products and services are available in over 100 countries

The Hewlett Packard Enterprise Company (commonly referred to as HPE) is an American multinational enterprise information technology company based in San Jose, California,[2] founded on 1 November 2015 as part of splitting of the Hewlett-Packard company. HPE is a business-focused organization with two divisions: Enterprise Group, which works in servers, storage, networking, consulting and support, and Financial Services. On 4 December HPE reported FY2018 net revenue of $30.9 billion, up 7% from the prior year period.

Lenovo Group Limited is a Chinese multinational corporation that manufactures personal computers and other electronics. It is one of the world's largest manufacturers of personal computers, smartphones, and servers. Lenovo's headquarters are located in Beijing (PRC), the company is registered in Hong Kong. The main research centers of the company are located in Beijing, Shanghai and Shenzhen (PRC), as well as in Yamato (Japan). The team of the company employs over 52 thousand people, and its clients are located in more than 160 countries In 2005, Lenovo bought out the personal computer division from IBM, and later in 2014 also acquired the IBM server systems business. Also in 2014, Lenovo bought the Motorola Mobility company from Google, but in February 2017 Lenovo announced the termination of the production of smartphones under the Motorola and Vibe trademarks, while continuing to release its mobile products under the Lenovo Moto brand. Today, Lenovo's product portfolio includes tablets, smartphones, laptops, PCs, workstations, servers, storage systems, and other consumer and enterprise-grade electronics. In addition, Lenovo has its own strong R&D department. The company's annual turnover is approaching $ 50 billion.