Philadelphia ’ s Comcast Corporation is not a competitor in mobile networks , instead providing internet , cable television and home phone connections . The business was founded by Ralph J . Roberts in 1963 . The current CEO , Brian L Roberts is his son . Though a public company , the Roberts family ’ s preferred stock confers 33.3 percent of voting rights , giving them a large amount of control . Much of Comcast ’ s business is done through its Xfinity brand , which it adopted in 2010 .

Brian L . Roberts , CEO

NUMBER OF EMPLOYEES

PHILADELPHIA , PENNSYLVANIA

69

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