| Inventors Series Aztec Gold | Gizmo Brew Works | Russian Imperial Stout | 9.2% |
| Inverness | Schubros Brewery | Scotch Ale / Wee Heavy | 11.7% |
| Inversion IPA | Deschutes Brewery | American IPA | 6.8% |
| Invocation | Wild Heaven | Belgian Pale Strong Ale | 8.5% |
| Iowa Battleship IPA | San Pedro Brewing | American IPA | 7.1% |
| Iowa Coffee Imperial Stout Aged in Templeton Rye Whiskey Barrels | Upstream Brewing Old Market | American Imperial Stout | 8.0% |
| Iowa Pale Ale | Millstream Brewing | American Pale Ale | 5.7% |
| Iowa Pale Ale | Stone City Brewing | American Pale Ale | 5.0% |
| IPA | AleSmith Brewing Company | American IPA | 7.3% |
| IPA | Avery Brewing Company | American IPA | 6.5% |
| IPA | Bellows Brew Crew | American IPA | |
| IPA | Big Sky Brewing | American IPA | |
| IPA | Boreale | American IPA | 6.2% |
| IPA | Boston Beer Works | American IPA | |
| IPA | Breakside Brewery | | |