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.

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.

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.

Pcysys'​ (Proactive Cyber Systems) automated pen-testing platform delivers prioritized threat-based weaknesses by continuously conducting ethical exploits based on infrastructure vulnerabilities. Focused on the inside threat, Pcysys'​ solution mimics the hacker's attack - automating the discovery of vulnerabilities while ensuring an undisrupted network operation. Detailed reports are produced together with proposed remediations, one step ahead of tomorrow's malicious hacker. The user-friendly Pcysys PT solution provides continuous protection and consistent validation while using the latest hacking tools.
Source: https://www.linkedin.com/company/pcysys/about/

Symantec Corporation (commonly known as Symantec) is an American technology company headquartered in Mountain View, California, United States. The company produces software for security, storage, backup and availability - and offers professional services to support its software. Netcraft assesses Symantec (including subsidiaries) as the most-used certification authority. Symantec is a Fortune 500 company and a member of the S&P 500 stock-market index. The company also has development centers in Pune, Chennai and Bengaluru (India). On October 9, 2014, Symantec declared it would split into two independent publicly traded companies by the end of 2015. One company would focus on security, the other on information management. On January 29, 2016, the information-management business was spun-off as Veritas Technologies and sold to The Carlyle Group. The name Symantec represents a combination of the words "syntax", "semantics" and "technology".