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 UNITED STATES : China Mobile Limited (2019 sales of $108.11 billion of which 90% was Telecommunication services), Nippon Telegraph and Telephone Corporation ($107.04 billion of which 40% was Mobile Services), and Verizon Communications ($131.87 billion of which 69% was Consumer).

Sales Analysis. Comcast reported sales of $108.94 billion for the year ending December of 2019. This represents an increase of 15.3% versus 2018, when the company's sales were $94.51 billion. Sales at Comcast have increased during each of the previous five years (and since 2014, sales have increased a total of 58%). Sales of Sky saw an increase that was more than double the company's growth rate: sales were up 319.0% in 2019, from $4.59 billion to $19.22 billion. Not all segments of Comcast experienced an increase in sales in 2019: sales of Corporate and Other fell 76.3% to $333.00 million. (However, this segment's sales were only a very small portion of the company's overall sales). Comcast also experienced decreases in sales in Nbcu Universal (down 5.0% to $33.97 billion) .