Question: Which was established earlier, American Water or SunTrust Banks? 

Context paragraphs:
American Water (company): American Water is an American public utility company operating in the United States and Canada.  It was founded in 1886 as the American Water Works & Guarantee Company.  In 1914, American Water Works and Guarantee Company became American Water Works and Electric Company.  In 1947 it was reorganized as American Water Works Company, Inc.  The company was a subsidiary of the German-based RWE Group from 2001 to 2008, but the company was divested on April 23, 2008 in an IPO on the NYSE.

SunTrust Center: The SunTrust Center is a skyscraper located in the Central Business District of Orlando, Florida.  Rising to 441 ft , it is the tallest building in Orlando and Central Florida.  Completed in 1988, it has 35 stories and 30 floors of usable office space.  Originally named the "Sun Bank Center", the name changed after SunTrust Banks began its series of mergers and acquisitions in the 1990s.  It was originally built to serve at the Florida headquarters for SunTrust Banks, but as recently as 2009, SunTrust has vacated over 150000 sqft in an effort to downsize.

William H. Rogers, Jr.: William H. Rogers, Jr. is an American businessman.  He is the chairman and chief executive officer (CEO) of SunTrust Banks.

Economy of Atlanta: The Atlanta economy is the 10th largest in the country and 18th in the world with an estimated 2014 GDP of over $324 Billion.  Atlanta is one of ten U.S. cities classified as an "alpha-world city" by a 2010 study at Loughborough University, and ranks fourth in the number of Fortune 500 companies headquartered within city boundaries, behind New York City, Houston, and Dallas.  Several major national and international companies are headquartered in metro Atlanta, including seven Fortune 100 companies: The Coca-Cola Company, Home Depot, United Parcel Service, Delta Air Lines, AT&T Mobility, and Newell Rubbermaid.  Other headquarters for some major companies in Atlanta and around the metro area include Arby's, Chick-fil-A, Earthlink, Equifax, First Data, Foundation Financial Group, Gentiva Health Services, Georgia-Pacific, NCR, Oxford Industries, RaceTrac Petroleum, Southern Company, SunTrust Banks, Mirant, and Waffle House.  Over 75% of the Fortune 1000 companies have a presence in the Atlanta area, and the region hosts offices of about 1,250 multinational corporations.  As of 2006 Atlanta Metropolitan Area ranks as the 10th largest cybercity (high-tech center) in the US, with 126,700 high-tech jobs.

American and Canadian Water Landmark: An American Water Landmark is a landmark within the United States, Canada, or Mexico that is a historic location and is associated in some way with water.  The American Water Works Association has designated American Water Landmarks since 1969.

Central Carolina Bank and Trust: Central Carolina Bank and Trust (CCB) was a bank headquartered in Durham, North Carolina.  It began in 1961 with the merger of Durham Bank & Trust and University National Bank of Chapel Hill, North Carolina.  CCB merged with SunTrust Banks of Atlanta, Georgia in 2005.  Its headquarters was the historic 17-story Hill Building.

SunTrust Banks: SunTrust Banks, Inc., is an American bank holding company.  The largest subsidiary is SunTrust Bank.  It had US$175 billion in assets as of December 31, 2013.  SunTrust Bank's most direct corporate parent was established in 1891 in Atlanta, where its headquarters remain.

National Bank of Commerce (Memphis): National Bank of Commerce was a bank headquartered in Memphis, Tennessee until it was taken over by SunTrust Banks in 2005.

New Jersey American Water: New Jersey American Water is the largest water utility in the U.S. State of New Jersey, serving around two and a half million people in 183 communities in 17 counties throughout the state, supplying high-quality water and wastewater service.  Headquartered in Cherry Hill, New Jersey, New Jersey American Water is a wholly owned subsidiary of American Water.

James M. Wells III: James M. Wells III (born c. 1948) is an American businessman.  He is the former Executive Chairman of the Board of SunTrust Banks Inc..

Supporting paragraphs: American Water (company) SunTrust Banks
Answer: American Water