Check Point Software Technologies Ltd. is an international provider of software and combined hardware and software products for IT security, including network security, endpoint security, data security and security management. As of 2016 the company has approximately 3,400 employees worldwide. Headquartered in Tel Aviv, Israel, the company has development centers in Israel, California (ZoneAlarm), Sweden (Former Protect Data development centre), and Belarus. The company has main offices in the United States, in San Carlos, California, in Dallas, Texas, in Ottawa, Ontario, Canada, and Sydney Australia. Check Point competes in the antivirus industry against AVG, Avira, ESET, F-Secure, Kaspersky, McAfee, Panda Security, Sophos and Symantec among others.

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.

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.

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