America's 30 largest companies

Wal-Mart Stores continues to top the Fortune 500 list. Take a look at America's 30 largest companies...

1. Wal-Mart Stores

Revenue: $421,849 mn
Profit: $16,389.0 mn

Founded by Sam Walton in 1962, Wal-Mart Stores is an American multinational retailer corporation that runs chains of large discount department stores and warehouse stores. It is the world's 18th largest public corporation, according to the Forbes Global 2000 list.

Figures for fiscal year ended January 31, 2011

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2. Exxon Mobil

Revenue: $354,674 mn
Profit: $30,460 mn

Exxon Mobil Corporation is an American multinational oil and gas corporation. It is one of the largest publicly traded companies by market capitalisation in the world.

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3. Chevron

Revenue: $196,337 mn
Profit: $19,024 mn

Chevron Corporation is one of the world's six supermajor oil companies. For the past five years, Chevron has been continuously ranked as one of America's 5 largest corporations by Fortune 500.

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4. ConocoPhillips

Revenue: $184,966 mn
Profit: $11,358 mn

ConocoPhillips Company is the fifth largest private sector energy corporation in the world.

ConocoPhillips was created through the merger of Conoco Inc. and the Phillips Petroleum Company on August 30, 2002.

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5. Fannie Mae

Revenue: $153,825 mn
Loss: $14,014 mn

The Federal National Mortgage Association known as Fannie Mae, was founded in 1938 during the Great Depression. It has been a publicly traded company since 1968.

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6. General Electric

Revenue: $151,628 mn
Profit: $11,644 mn

General Electric operates through four segments - energy, technology infrastructure, capital finance and consumer & industrial.

In 2011, Fortune ranked GE as the 6th largest firm in the US and the 14th most profitable company.

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7. Berkshire Hathaway

Revenue: $136,185 mn
Profit: $12,967 mn

Forbes Global 2000 lists Berkshire Hathaway is the eighth largest public company in the world. Berkshire now owns a diverse range of businesses.

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8. General Motors

Revenue: $135,592 mn
Profit: $ 6,172 mn

General Motors is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010.

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9. Bank of America Corporation 

Revenue: $134,194 million
Loss: $2,238 million

Bank of America Corporation is the second largest bank holding company in the United States by assets, and the fourth largest bank in the US by market capitalisation.

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10. Ford Motor

Revenue: $128,954 mn
Profit: $6,561 mn

Ford Motor Company is an American multinational automaker based in Michigan, a suburb of Detroit. Founded by Henry Ford, the company was incorporated in 1903.

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11. Hewlett-Packard

Revenue: $126,033 mn
Profit: $8,761 mn

Hewlett-Packard is an American multinational information technology corporation headquartered in Palo Alto, California, that provides products, technologies, software, solutions and services to consumers.

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12. AT&T

Revenue: $124,629 mn
Profit: $19,864 mn

AT&T is the second largest provider of mobile telephony and fixed telephony in the United States and a provider of broadband and subscription television services.

AT&T is the 7th largest company in the United States by total revenue.

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13. J.P. Morgan Chase & Co

Revenue:  $115,475 mn
Profit: $17,370 mn

JP Morgan Chase & Co is an American multinational banking corporation of securities, investments and retail.

It is the largest bank in the United States by assets and market capitalisation.

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14. Citigroup  

Revenue: $111,055 mn
Profit: $10,602 mn

Citigroup Inc has the world's largest financial services network, spanning 140 countries with around 16,000 offices worldwide. It also holds over 200 million customer accounts in more than 140 countries.

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15. McKesson

Revenue: $108,702 mn
Profit: $1,263 mn

McKesson Corporation is a corporation specialising in the distribution of health care systems, medical supplies and pharmaceutical products.

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16. Verizon Communications

Revenue: $106,565 mn
Profit: $2,549 mn

Verizon Communications is a global broadband and telecommunications company and a component of the Dow Jones Industrial Average.

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17. American International Group

Revenue: $104,417 mn
Profit: $7,786 mn

American International Group, Inc. is a multinational insurance corporation. According to the 2011 Forbes Global 2000 list, AIG was the 29th-largest public company in the world.

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18. International Business Machines

Revenue: $99,870 mn
Profit: $14,833 mn

IBM is a multinational technology and consulting corporation that manufactures and sells computer hardware and software.

As of September 2011, IBM was the second-largest publicly traded technology company in the world by market capitalisation.

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Cardinal Health  
Revenue: $98,601.9 mn
Profit: $642.2 mn

Cardinal Health, Inc, is a Fortune 500 health care services company based in Dublin, Ohio.

Cardinal Health specialises in health care supply chain services, providing pharmaceuticals and medical products to more than 40,000 locations everyday.

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20. Freddie Mac, United States

Revenue: $98,368 mn
Net loss: $14,025 mn

The Federal Home Loan Mortgage Corporation known as Freddie Mac is a public government sponsored enterprise headquartered in the Tyson's Corner CDP in Virginia.

The FHLMC was created in 1970 to expand the secondary market for mortgages in the US.

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21. CVS Caremark

Revenue: $96,413 mn
Profit: $3,427 mn

CVS Caremark Corporation is an integrated pharmacy services provider, combining a United States pharmaceutical services company with a US pharmacy chain.

CVS Caremark provides pharmacy services through over 7,000 pharmacy stores.

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22. UnitedHealth Group

Revenue: $94,155 mn
Profit: $4,634 mn

UnitedHealth Group is a diversified health company. Headquartered in Minnetonka, Minnesota, the compnay offers a spectrum of healthcare products and services.

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23. Wells Fargo

Revenue: $93,249 mn
Profit: $12,362 mn

Wells Fargo & Company is an American multinational diversified financial services company with operations around the world.

Wells Fargo is the fourth largest bank in the US by assets and the largest bank by market capitalisation.

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24. Valero Energy

Revenue: $86,034 mn
Profit: $324 mn

Valero Energy Corporation is a Fortune 500 manufacturer and marketer of transportation fuels, other petrochemical products, and power.

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25. Kroger  

Revenue: $82,189.4 mn
Profit: $1,116.3 mn

Founded in 1883, The Kroger Co is an American supermarket chain founded by Bernard Kroger. It is the country's largest grocery store chain.

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26. Procter & Gamble

Revenue: $79,689 mn
Profit: $12,736 mn

Procter & Gamble is a Fortune 500 American multinational corporation that manufactures a wide range of consumer goods.

Fortune magazine has ranked P&G at fifth place in the 'World's Most Admired Companies' list.

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27. AmerisourceBergen

Revenue: $77,954 mn
Profit: $636.7 mn

AmerisourceBergen Corporation was formed by the merger of Bergen Brunswig and AmeriSource in 2001.

They provide drug distribution and related services designed to reduce costs and distribute a line of generic pharmaceuticals, over-the-counter (OTC) health care products.

28. Costco Wholesale  

Revenue: $77,946 mn
Profit: $1,303 mn

Costco Wholesale Corporation is the largest membership warehouse club chain in the United States. It is the third largest retailer in the United States.

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29. Marathon Oil  

Revenue: $68,413 mn
Profit: $2,568 mn

Marathon Oil Corporation is a United States-based oil and natural gas exploration and production company. Its key exploration activities are in the United States, Norway, Equatorial Guinea, Poland, Angola and Iraqi Kurdistan.

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30. Home Depot

Revenue: $67,997 mn
Profit: $3,338 mn

The Home Depot is an American retailer of home improvement and construction products and services. The Home Depot operates 2,248 big-box format stores across the United States.