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.

Intel Corporation (also known as Intel and stylized as intel) is an American multinational technology company headquartered in Santa Clara, California. It is one of the world's largest and highest valued semiconductor chip makers based on revenue., and is the inventor of the x86 series of microprocessors, the processors found in most personal computers (PCs). Intel supplies processors for computer system manufacturers such as Apple Inc., Lenovo, HP and Dell. Intel also manufactures motherboard chipsets, network interface controllers and integrated circuits, flash memory, graphics chips, embedded processors and other devices related to communications and computing. Source: https://en.wikipedia.org/wiki/Intel

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.

Unify, is an Atos SE company. Unify is headquartered in Munich, Germany and is present in over 100 countries. The company provides software-based enterprise unified communications including voice, Web collaboration, video conferencing and contact center, networking product and services. Until January 21, 2016 Unify was a joint venture between The Gores Group and Siemens AG. Originally announced July 29, 2008, the joint venture started operating October 1, 2013, with The Gores Group holding a 51% stake, and 49% held by Siemens AG. On February 17, 2016 Jon Pritchard was appointed Chief Executive Officer (CEO) of Unify. Source: https://en.wikipedia.org/wiki/Unify_Software_and_Solutions_GmbH_%26_Co._KG.