Microsoft is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft Office suite of productivity software. Additionally, the company has ventured into hardware with consumer products such as the Zune and Xbox.

Started by Steve Jobs, Steve Wozniak, and Ronald Wayne, Apple has expanded from computers to consumer electronics over the last 30 years, officially changing their name from Apple Computer, Inc. to Apple, Inc.

Google Inc. maintains an index of Websites and other online content, and makes this information freely available through its search engine to anyone with an Internet connection.

Oracle Corporation (Oracle) is an enterprise software company. The Company develops, manufactures, markets, distributes and services database and middleware software, as well as applications software that help its customers manage their businesses.

International Business Machines Corporation (IBM) is an information technology (IT) company. The Company’s major operations include Global Technology Services segment (GTS), Global Business Services segment (GBS), Software segment, Systems and Technology segment, and Global ...

Adobe Systems Incorporated is a diversified software company. The Company offers a line of business and mobile software and services used by professionals, designers, knowledge workers, high-end consumers, original equipment manufacturer (OEM) partners, developers and ...

Yahoo was founded in 1994 by Stanford Ph.D. students David Filo and Jerry Yang. It has since evolved into a major internet brand with search, content verticals, and other web services. Yahoo! Inc. (Yahoo!), incorporated in 1995, is a global Internet brand.

Symantec provides security software for business and individual use. The company helps customers protect their infrastructure, information and interactions by delivering software and services that address risks to security, availability, compliance and performance. Headquartered ...

Novell, Inc., through its infrastructure software and ecosystem of business partnerships, integrate mixed information technology (IT) environments, allowing people and technology to work as one.

Hewlett-Packard Company is a provider of products, technologies, software, solutions and services to individual consumers, small- and medium-sized businesses (SMBs) and large enterprises, including the public and education sectors.