Microsoft Corporation:

is an American-based multinational computer technology corporation that develops, manufactures, licenses, and supports a wide range of software products for computing devices. Headquartered in Redmond, Washington, USA, its best selling products are the Microsoft Windows operating system and the Microsoft Office suite of productivity software.

Kaspersky Lab:

is the recognised leader in computer information protection technologies. Many functional features of practically all current anti-virus programs were developed first by Kaspersky Lab. Kaspersky Lab develop, produce and distribute information security solutions that protect customers from IT threats and allow enterprises to manage risk. Kaspersky Lab provide products that protect information from viruses and offer consulting services and technical support.

Western Digital:

is a data storage pioneer and a leader in the hard drive industry. The company provides cost-effective storage solutions for people and organizations that collect, manage and use digital information. Customers rely on WD hard drives in desktop and notebook computers, mobile and handheld devices, corporate networks and home entertainment applications to keep data secure and close at hand.

Kingston:

Kingston Technology Company, Inc. is the world’s independent memory leader. Founded in 1987 with a single product offering, Kingston® now offers more than 2,000 memory products that support nearly every device that uses memory, from computers, servers and printers to MP3 players, digital cameras and cell phones. In 2007, the company's sales exceeded $4.5 billion. Kingston serves an international network of distributors, resellers, retailers and OEM customers on six continents. The company also provides contract manufacturing and supply chain management services for semiconductor manufacturers and system OEMs.