HP is a technology solutions provider to consumers & businesses globally. The company’s offerings span IT infrastructure, global services, business and home computing, and imaging & printing.

Dell Inc. is a diversified information-technology supplier and sells a comprehensive portfolio of products and services

Apple computers -system include its Mac mini, iMac, Power Mac and MacBook Pro for high-end consumers and professionals involved in design and publishing, music production & film production..

Cisco routers, switches, firewalls & VPN software solutions are used to create the backbone of the Internet - providing easy access to information anywhere, at any time

SonicWALL, Inc. develops & manufactures network security, VPN access, and e-mail securitysolutions. Offering both appliance-based products as well as value-added subscription services.

Symantec helps customers protect their infrastructure, information, and interactions by delivering software and services that address risks to security, availability, compliance, and performance.

VMware virtualization allows a computer to run multiple O/S system