We are a leading owner and operator of short line and regional freight railroads in North America, operating a portfolio of 43 individual railroads with approximately 7,400 miles of track in 27 U.S. states and three Canadian provinces. Our railroad portfolio represents an important component of North America's transportation infrastructure, carrying large quantities of freight for a highly diverse customer base. In 2011, our railroads transported approximately 840,000 carloads of freight for approximately 1,500 customers, hauling a wide range of products such as farm and food products, lumber and forest products, paper and paper products, metals, chemicals and coal.
We were incorporated in Delaware on March 31, 1992 as a holding company for two pre-existing railroad companies. On February 14, 2007, we were acquired by RR Acquisition Holding LLC, an entity wholly-owned by certain private equity funds managed by an affiliate of Fortress Investment Group LLC ("Fortress"). On October 16, 2009, we completed an initial public offering. During the period from our formation until today, we have grown both through the expansion of the traffic base on our existing railroads and through acquisitions of additional North American railroads and railroad-related properties.
Our Internet website address is www.railamerica.com. We make available free of charge, on or through our website, our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to these reports, as soon as reasonably practicable after they are filed with the SEC. The SEC maintains an Internet site that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC at http://www.sec.gov. We also make available on our website other registration statements, prospectuses, and reports filed with the SEC under the Securities Act of 1933, as amended (the "Securities Act") and the Securities Exchange Act of 1934, as amended (the "Exchange Act"), including proxy statements and reports filed by officers and directors under Section 16(a) of the Exchange Act. These filings may be found by selecting the option entitled "SEC FILINGS" in the "INVESTOR RELATIONS" section on our website. Additionally, our corporate governance guidelines, board committee charters, code of business conduct and ethics and code of ethics for principal executive and senior financial officers are available on our website and in print to any stockholder who requests them. Information contained in or connected to our website is not part of this report.