Comcast Corporation operates in the Telephone communications, exc. radio sector. In addition to historical fundamental analyses, the complete report available to purchase compares Comcast with three other companies in this sector in the United States: Nippon Telegraph and Telephone Corporation (2018 sales of $106.67 billion of which 40% was Mobile Services), Verizon Communications ($130.86 billion of which 70% was Wireless), and China Mobile Limited ($111.28 billion of which 100% was Mobile Telecommunicat).

Sales Analysis. Comcast reported sales of $94.51 billion for the year ending December of 2018. This represents an increase of 11.8% versus 2017, when the company's sales were $84.53 billion. Sales at Comcast have increased during each of the previous five years (and since 2013, sales have increased a total of 46%). Sales of Corporate and Other saw an increase that was more than double the company's growth rate: sales were up 32.4% in 2018, from $1.06 billion to $1.40 billion.