The results are in and here are the five top spenders - the big cash kahuna's - of radio advertisers. Bet you can't guess them all before you peek at the next page from insideradio.com!

With 35,476 commercials on the air last week, Media Monitors says Geico was the largest-volume radio advertiser. Home Depot, Safelite AutoGlass, McDonald’s and Midas round out the top five.

Inside Radio