From AT&T to Straight Talk, wireless' 10 biggest advertising spenders

The wireless industry has always been among the most proliferate advertising spenders. But FierceWireless wanted to know which companies spent the most money on national advertising. 

To find out, FierceWireless partnered with TV advertising measurement firm iSpot.tv to deliver a snapshot of the wireless industry's advertising spending and digital engagement during 2015. The results are eye-opening.

As iSpot.tv reported, in 2015 35 wireless brands placed 466 spots 440,000 times for a total ad value of $1.89 billion. The firm said that is an increase of $100 million, or 11.2 percent, from 2014, when 53 brands ran 421 ads, spending an estimated $1.7 billion airing ads 388,000 times.

But which companies were the biggest spenders last year? To find out, read the full FierceWireless report here.