10/10/2010 05:12 am ET Updated May 25, 2011

The Greatest Brands In American History: 24/7 Wall Street

Most of the analysis about super-brands focuses on companies and products that have been prominent in the last few decades -- companies like Apple, Google, Toyota, or Starbucks. According to how many experts evaluate brands over the last two centuries of the U.S. economy, however, none of those brands are among the most important in American history. All of the brands 24/7 Wall St. looked at for this analysis were created many decades ago.

24/7 Wall St. has reviewed the history of American brands. We have examined how well they were known to the public during their most successful years -- which may include today -- as well as the size of their businesses over time. Many of the brands on this list, like Standard Oil, represented a large part of U.S. GDP early in the company's history. Others, like Ford, have been among the largest U.S. companies for over 100 years.

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