Cisco Systems is a global manufacturer of network equipment: routers, switches and servers, as well as software for data transmission on the Internet and corporate networks. The company was founded in 1984 in San Jose (California, USA). Today, Cisco dominates the Internet Protocol (IP) -based network equipment segment, and also manufactures cybersecurity, video conferencing systems, and other network equipment and software. In addition, Cisco offers a number of cloud services. Cisco's primary customers are large enterprises and telecommunications service providers, but the company also sells products aimed at small businesses and the public sector. Cisco offers products and services in four categories. The company's infrastructure platforms generate more than half of its revenue. This includes switching devices, routing devices, wireless communications, and data processing solutions. Applications that account for over 10% of revenue are primarily software related to networking and data processing platforms. Applications include collaboration tools (unified communications, Cisco TelePresence video conferencing) as well as AppDynamics and Internet of Things software. The cybersecurity product category generates more than 5% of the company's revenue and includes network security, email security, identity and access, advanced threat protection, and unified exposure management products. In addition, Cisco offers consulting services. Cisco's total revenue in fiscal 2020 was nearly $ 50 billion. The company is expanding its research and development (R&D) investments in areas such as the cloud platform, remote collaboration platform, analytics and telecommunications technologies.

Dell EMC (EMC Corporation until 2016) is an American multinational corporation headquartered in Hopkinton, Massachusetts, United States. Dell EMC sells data storage, information security, virtualization, analytics, cloud computing and other products and services that enable organizations to store, manage, protect, and analyze data. Dell EMC's target markets include large companies and small- and medium-sized businesses across various vertical markets. The company's stock (as EMC Corporation) was added to the New York Stock Exchange on April 6, 1986, and was also listed on the S&P 500 index. Source: https://en.wikipedia.org/wiki/Dell_EMC

ESET is an IT security company headquartered in Bratislava, Slovakia that was founded in 1992. The company was awarded the recognition of the most successful Slovak company in 2008, 2009 and in 2010. ESET offers anti-virus and firewall products such as ESET NOD32, hence competing in the antivirus industry market.

Fortinet is an American multinational corporation founded in 2000. The main office is located in Sunnyvale (California, USA). The company specializes in the development and promotion of software, solutions and services in the field of information security. Among the most requested solutions are next generation firewalls (NGFW), antivirus software, intrusion prevention and endpoint security systems, and a number of other products. In terms of revenue, Fortinet has consistently ranked in the top five of all network security companies. In 2020, the company's turnover exceeded $ 3 billion, and the number of customers exceeded half a million. By the beginning of 2021, the company had more than 700 patents in the field of information security, and about 200 more patents were pending. Fortinet employed about 8,300 people as of early 2021. FortiGate's flagship enterprise firewall platform supports a wide range of next-generation security and networking features. It comes in a variety of sizes and form factors, making it easily adaptable to any environment. Fortinet's proprietary Security Fabric integrates and automates the entire infrastructure, delivering unmatched security and visibility to every network segment and device, be it a virtual machine or physical device, in the cloud or on-premises. The company also runs the NSE training and certification program and operates the Network Security Academy, which supports universities offering information security courses.

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.

uawei Technologies Co. Ltd. is a Chinese multinational networking and telecommunications equipment and services company headquartered in Shenzhen, Guangdong. It is the largest telecommunications equipment manufacturer in the world, having overtaken Ericsson in 2012. Huawei was founded in 1987 by Ren Zhengfei, a former engineer in the People's Liberation Army. At the time of its establishment, Huawei was focused on manufacturing phone switches, but has since expanded its business to include: building telecommunications networks; providing operational and consulting services and equipment to enterprises inside and outside of China; and manufacturing communications devices for the consumer market. Huawei has over 170,000 employees as of September 2015, around 76,000 of whom are engaged in research and development (R&D). It has 21 R&D institutes in countries including China, the United States, Canada, the United Kingdom, Pakistan, France, Belgium, Germany, Colombia, Sweden, Ireland, India, Russia, and Turkey, and in 2014, the company invested $6.4 billion USD in R&D, up from $5 billion USD in 2013. In 2014, Huawei recorded a profit of 34.2 billion CNY (5.5 billion USD). Its products and services have been deployed in more than 140 countries and it currently serves 5 of the world's 50 largest telecoms operators. Source: https://en.wikipedia.org/wiki/Huawei

IBM (International Business Machines) ia an american electronic corporation, one of the world's largest manufacturers of all types of computers and software, one of the largest providers of global information networks. The corporation ranks sixth in the list of the largest companies in the world. Headquartered in Armonk, New York, USA. The story begins in the 19th century. IBM manufactures and sells hardware and software, services (hosting, consulting) in the areas from mainframes to nanotechnology.

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.

Microsoft Corporation is an multinational technology company headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Its best known software products are the Microsoft Windows line of operating systems, Microsoft Office office suite, and Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface tablet lineup. As of 2011, it was the world's largest software maker by revenue, and one of the world's most valuable companies.

NetApp, Inc. is an American multinational storage and data management company headquartered in Sunnyvale, California. It is a member of the NASDAQ-100, and has ranked in the Fortune 500 since 2012. Founded in 1992 with an IPO in 1995, NetApp offers software, systems and services to manage and store data, including its proprietary Data ONTAP operating system. Source: https://en.wikipedia.org/wiki/NetApp

Oracle Corporation is an american multinational computer technology corporation headquartered in Redwood Shores, California. The company specializes primarily in developing and marketing database software and technology, cloud engineered systems, and enterprise software products — particularly its own brands of database management systems. In 2018, Oracle was the third-largest software maker by revenue, after Microsoft and Alphabet. The company also develops and builds tools for database development and systems of middle-tier software, enterprise resource planning (ERP) software, customer relationship management (CRM) software, and supply chain management (SCM) software. Source: https://en.wikipedia.org/wiki/Oracle_Corporation

Veritas Technologies LLC is an American international data management company headquartered in Mountain View, California. The company has its origins in Tolerant Systems, founded in 1983 and later renamed Veritas Software. It specializes in storage management software including the first commercial journaling file system, VxFS, VxVM, VCS, the personal/small office backup software Backup Exec and the enterprise backup software, NetBackup. Veritas Record Now was an early CD recording software. Prior to merging with Symantec in 2004, Veritas was listed on the S&P 500 and the NASDAQ-100 under the VRTS ticker symbol. Following its merger, the Veritas brand was replaced by that of Symantec. In 2014, Symantec announced that it would demerge its information management business as Veritas Technologies LLC, in order to focus on security. It was purchased as part of the demerger by the private equity firm The Carlyle Group for $8 billion in cash. Source: https://en.wikipedia.org/wiki/Veritas_Technologies