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, Inc. is an American multinational corporation technology company headquartered in San Jose, California, that designs, manufactures and sells networking equipment worldwide. It is the largest networking company in the world. The stock was added to the Dow Jones Industrial Average on June 8, 2009, and is also included in the S&P 500 Index, the Russell 1000 Index, NASDAQ-100 Index and the Russell 1000 Growth Stock Index.

IBM manufactures and markets computer hardware, middleware and software and offers infrastructure, hosting and consulting services in areas ranging from mainframe computers 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