#Google
Trademark value: $44.3 billion
Company market capitalization (number of shares times share price): $164 billion
Still the most popular search engine, Google, with its mobile operating system Android, has now surpassed Blackberry and Apple’s systems in terms of market share.

#Microsoft
Trademark value: $42.8 billion
Market cap: $204 billion
The number one software company in the world, Microsoft has been diversifying its product lines to include video game consoles, consumer electronics and digital services.

#Walmart
Trademark value: $36.2 billion
Market cap: $184 billion
The world’s largest retailer in the world now has over 2 million employees and nearly 9,000 stores.

#IBM
Trademark value: $36.2 billion
Market cap: $199 billion
Holds more patents than any other technology company and has been acquiring software manufactures in a variety of fields to diversify its hardware-heavy portfolio.

#Vodafone
Trademark value: $30.7 billion
Market cap: $138 billion
Operates one of the largest mobile telecommunication networks in the world, with over 340 million customers in more than 20 countries.

#Bank of America
Trademark value: $30.6 billion
Market cap: $109 billion
Despite its rough ride through the latest financial crisis, BofA still has one of the country’s most extensive branch networks with some 6,000 locations in the U.S and another 300 offices abroad.

#GE
Trademark value: $30.5 billion
Market cap: $197 billion
There are few industries this uber-conglomerate doesn’t touch—from health care to aerospace to household appliances.

#Apple
Trademark value: $29.5 billion
Market cap: $307 billion
Even signal-strength problems couldn’t derail sales for Apple’s iPhone 4.

#Wells Fargo
Trademark value: $28.9 billion
Market cap: $143 billion
On an acquisition tear to the top of the banking heap.

#AT&T
Trademark value: $28.9 billion
Market cap: $182 billion
Largest provider of local and long distance telephone services in the U.S., with about 95 million subscribers.