Comcast (Nasdaq: CMCSA) spent $1.71 billion marketing Xfinity TV and other products last year, which was a 10 percent increase compared to 2011, Kantar Media said.
The nation's largest cable MSO outspent AT&T (NYSE: T), which decreased its media spending in 2012 by 14 percent to $1.57 billion. It also spent more than Verizon (NYSE: VZ), which spent $1.41 billion on marketing last year, down 13 percent compared to 2011, according to Kantar.
Fox Networks and 20th Century Fox parent News Corp. (Nasdaq: NWSA) also made Kantar's list of the 10 biggest advertisers in 2012, shelling out $1.27 billion. That was a 6 percent increase compared to 2011.
Comcast was the second largest advertiser overall last year. Procter & Gamble was the biggest media buyer, spending $2.81 billion in 2012, according to Kantar.
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