Businesses come and some go, but others stay around and make a lot of money. Here's a list of entrepreneurs who have had ideas turn into companies, to game-changers in the business game, according to CNNMoney.
Sales: $108.2 billion
Market Value: $546 billion
Jobs thought market research and focus groups limited innovation. In all actuality, if Jobs would have listened to focus groups and market research, instead of his own instincts, there might not be an iPhone, iPad, iPhone, or any of the other products Apple has produced.
Market value: 273.5 billion
Few entrepreneurs get to change the world. Bill Gates has done it twice. He helped establish the personal computer and now he's a philanthropist, taking on global health and public education.
His advice has been to find really smart people and put them into small teams. "In terms of IQ, you've got to be very elitist in picking the people who deserve to write software."
Sales: $39.3 billion
Market value: $30 billion
Fred Smith served two tours in the Vietnam War, and those experiences enabled him to run his company for so long.
Smith once said he runs FedEx based on "the leadership tenets that I learned in the U.S. Marine Corps during my service in Vietnam."
Market Value: $84 billion
Sales: $48.1 billion
Jeff Bezos quit his job in New York and drove all the way to Seattle, where he started Amazon in 1994. The company didn't report a quarterly profit for over six years.
Bezos has and continues to solve issues presented to his company by going on frequent retreats. The retreats help him to be more creative as he doesn't have to deal with distractions from the office.
Sales: $27.9 billion
Market value: $203.2 billion
Larry Page was just 23 years old when he came up with the idea of being able to download the whole internet to his computer. From that night in 1996, to the last three months of 2011, Google surpassed $10 billion in quarterly revenue.
Sales: $11.7 billion
Market Value: $40 billion
When Howard Schultz returned to Starbucks after an eight-year leave, his company was falling and fast. He brought back the basics, bottom-line efficiency, and financial discipline.
He challenged the old way of doing things and saved the company millions.
Sales: $3.71 billion
Market Value: $75 billion-$100 billion (estimate)
Mark Zuckerberg turns 28 in May, yet his company has already almost hit $100 billion in value. Not bad for Harvard dropout.
Zuckerberg embraces paranoia and said he takes nothing for granted. That is why Facebook is constantly making changes to its platform.
Company: Whole Foods
Sales: $10.1 billion
Market Value: $15.5 billion
With over 300 supermarkets and 56,000 employees, Whole Foods has changed the way a lot of companies in its field do business. Mackey's company tries to inspire its employees, instead of having mission statements that are out of the realm of possibility.
Company: Southwest Airlines
Sales: $15.6 billion
Market Value: $6.4 billion
Southwest Airlines has recorded profits for 39 years in a row. Southwest is the biggest domestic airline in the nation, and is responsible for about 90 percent of the U.S.'s low-fare airline business.
Sales: $6.0 billion
Market Value: $32 billion
Narayana Murthy showed that India could comete with the rest of the world by getting involved in software development work. He helped bring in billions of dollars into the Indian economy through outsourcing.
Company: Wal-Mart Stores
Sales: $446.9 billion
Market Value: $36.5 billion
Employees: 2.0 million
The cornerstone of Wal-Mart stores' success has been selling goods at the lowest price possible. This was in-line with Walton's idea to give consumers what they want.
Company: Grameen Bank
Muhammad Yunus pioneered the idea of microcredit when he founded Grameen Bank in 1983. When he won the Nobel Peace Prize in 2006, his company had over 7 million outstanding loans in 73,000 villages in Bangladesh.
The Grameen model has been used in over 100 countries.