Alter Brewing Company is a craft brewery with three Illinois locations in Downers Grove, Oak Brook, and St. Charles, brewing creative, delicious, drinkable beers for gatherings and everyday enjoyment. They offer year-round, seasonal, and rotating tap list brews alongside full kitchens, private event spaces, and a community-focused atmosphere. Certified independent craft brewers emphasizing balanced flavors through traditional and modern methods.

Creative, drinkable beers for get-togethers Year-round, seasonal, and brewery tap list brews Three locations with taprooms, breweries, and full kitchens Private event hosting from weddings to corporate
Homepage beer cans 2025 Downers Grove taproom Oak Brook main bar St. Charles interior Behind the scenes brewing process Beginner's guide to craft beer styles
Alterior Motive
A bold double IPA packed with tropical fruit and resinous hop flavors.
Beer
Center Line
A light, crisp golden ale with subtle malt sweetness and a clean finish.
Beer
Dunkel Breakdown
A dark wheat beer with flavors of banana, clove, and a hint of chocolate.
Beer
Hopular Kid
A hop-forward IPA with citrus and pine notes, balanced by a smooth malt backbone.
Beer
Oktöberface
A traditional German-style lager with rich malt flavors and a crisp, clean finish.
Beer
Gold Medal, Great American Beer Festival 2019 for Hopular Kid IPA 2019

Blog posts: 'How We Brew at Alter: Behind the Scenes of Our Beer-Making Process' and 'Beginner’s Guide to Craft Beer Styles: Finding Your Perfect Pour at Alter'