Dell Inc. is an American privately owned multinational computer technology company based in Round Rock, Texas, United States, that develops, sells, repairs, and supports computers and services.

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.

Sophos Group plc is a security software and hardware company. Sophos develops products for communication endpoint, encryption, network security, email security and mobile security as well as unified threat management. Sophos is focused on providing security software to the mid market and pragmatic enterprise from 100 to 5000 Seat organisations, however they still do protect home users. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. Source: https://en.wikipedia.org/wiki/Sophos