ADOBE
Adobe Systems Incorporated is an American multinational computer software company headquartered in San Jose, California, United States. The company has historically focused upon the creation of multimedia and creativity software products, with a more-recent foray towards rich Internet application software development.

APPLE
Apple Inc. (formerly Apple Computer, Inc.) is an American multinational corporation that designs and sells consumer electronics, computer software, and personal computers. The company's best-known hardware products are the Macintosh line of computers, the iPod, the iPhone and the iPad. Its software includes the OS X and iOS operating system; the iTunes media browser; and the iLife and iWork creativity and production suites. Apple is the world's third-largest mobile phone maker after Samsung and Nokia. Established on April 1, 1976 in Cupertino, California, and incorporated January 3, 1977, the company was named Apple Computer, Inc. for its first 30 years. The word "Computer" was removed from its name on January 9, 2007,as its traditional focus on personal computers shifted towards consumer electronics

CISCO
Cisco Systems, Inc. is an American multinational corporation headquartered in San Jose, California, United States, that designs, manufactures, and sells networking equipment. The stock was added to the Dow Jones Industrial Average on June 8, 2009, and is also included in the S&P 500 Index, the Russell 1000 Index, NASDAQ 100 Index and the Russell 1000 Growth Stock Index.

MICROSOFT
Microsoft Corporation is an American multinational corporation headquartered in Redmond, Washington that develops, manufactures, licenses and supports a wide range of products and services related to computing. The company was founded by Bill Gates and Paul Allen on April 4, 1975. Microsoft is the world's largest software maker measured by revenues.It is also one of the world's most valuable companies.

CompTIA

CIW

Autodesk

Oracle