You can see the full list here. There are a few Chicago finalists this year...
WTMX (The Mix) for "Legendary Station"
Eric & Kathy (The Mix) for "Major Market Personality of the Year"
WJMK (K-hits 104.3) for "Classic Hits Station of the Year"
WDRV (The Drive) for "Rock Station of the Year"
Congrats to all of the finalists. The Marconi is a very prestigious award. Just being nominated is a big deal.