10th Annual O’Connor’s West Michigan Brew Off Sponsors

The Mitten Brewing Co.

527 Leonard St NW, Grand Rapids, MI 49504

The Mitten Brewing Co. is a vintage baseball-themed microbrewery that expertly pairs handcrafted beers with gourmet pizzas.

Rivertown Homebrewers

Rivertown Homebrewers is an AHA registered homebrew club located in the Grand Rapids area.

Siciliano's Market

2840 Lake Michigan Dr NW, Grand Rapids, MI 49504

Homebrew & Winemaking Supplies, Craft Beer, Cigars, Pipes & Tobacco, Wine & Spirits, Bulk Coffee, Loose Tea & More.

Beer City BJCP

Beer City BJCP is a Grand Rapids based organization focused on improving beer sensory, evaluation, and BJCP knowledge.

American Homebrewers Association

Boulder, CO

Join the American Homebrewers Association and learn how to make beer, mead, and cider in the world, and celebrate all things fermented.

Amoretti

Oxnard, CA

The premium ingredient company.

BSG HandCraft supplies the home fermentation industry and small commercial producers with select ingredients and supplies from around the world. Over the years, our focus on quality and service has earned us the reputation for delivering the best products at competitive prices without sacrificing customer service.

BYO Magazine

Manchester Center, VT

The how-to homebrew beer magazine.

Emergent Malt

Zeeland, MI

A West Michigan malt house creating locally sourced, small batch malt for home brewers and commercial brewers.

Founders Brewing Co.

Grand Rapids, MI

Beer made with love.

Great Lakes Hops

Zeeland, MI

Great Lakes Hops offers a huge collection of select, fully rooted hop plants.

Imperial Yeast

Portland, OR

Imperial Yeast was founded in 2014 with a desire to provide brewers of all scales with world-class yeast and the best possible customer and technical support.

Lantern Coffee Bar And Lounge

100 Commerce Ave SW, Grand Rapids, MI 49503

Good coffee. A place to gather.

Omega Yeast Labs

Chicago, IL

CRAFT YEAST FOR CRAFT BREWS! High quality, pitch-ready liquid yeast for Probrewers and Homebrewers.

One Well Brewing

4213 Portage Street, Kalamazoo, MI 49001

One Well Brewing is a brewery based in Kalamazoo, Michigan that strives to provide the greater Kalamazoo area and Michigan at large with a quality craft-brewed selection of beers.

Speciation Artisan Ales

Grand Rapids, MI

At Speciation Artisan Ales, we take an evolutionary approach to brewing by using wild microbes to experiment with the possibilities of craft beer. The results are delicious, high-quality and ever-changing beers that reflect nature’s creativity and diversity. The name Speciation comes from the scientific term describing how biological variations in nature create new species over time, much like the evolution of our beers.

Spike Brewing

Milwaukee, WI

Homebrew equipment manufacturer. It's More Than Just Beer.

Stormcloud Brewing Company

Frankfort, MI

Crafting award-winning Belgian inspired beer in Frankfort, Michigan.

ThermoWorks

American Fork, UT

Specializing in cool, unique and professional temperature tools. Super-Fast thermocouples, thermistors, infrared thermometers, data logging and more.

TwoGuys Brewing

2356 Porter St SW, Wyoming, MI 49519

Great Michigan beers and delicious eclectic food.

Vander Mill Cider

505 Ball Ave NE, Grand Rapids, MI 49503

Artisanal hard cider.

Wyeast

Hood River, OR

A passion for fermentation. The place we call home inspires us. Hood River, Oregon, is tucked away where Mt. Hood meets the Columbia River Gorge. We create our products for brewers, wine makers, cider makers, distillers, and other enthusiasts to reflect the purity and reliability these landmarks represent. This region is rich in craft beverage and fermentation culture, and home to some of the best breweries and wineries in the world. Since 1986 we've been leading the way by providing premium fermentation products.

Launch Awards Presentation

Judging Sessions

Judging Session One
01/20/2024 10:00 AM, EST.

Judging Session Two
01/20/2024 12:30 PM, EST.

BOS Judging (Best of Show)
01/20/2024 2:30 PM, EST.

Account Registration Closed

Account registrations accepted 11/25/2023 8:00 AM, EST through 01/20/2024 10:00 AM, EST.

Registrations for judges or stewards accepted 11/25/2023 8:00 AM, EST through 01/20/2024 2:00 PM, EST.

Entry Registration Closed

Entry registrations accepted 11/26/2023 4:00 PM, EST through 01/20/2024 10:00 AM, EST.

Entry Drop-Off Closed

Entry bottles accepted at drop-off locations 12/27/2023 11:00 AM, EST — 01/07/2024 8:00 PM, EST.

Please pay attention to the notes provided for each drop-off location. There could be earlier deadlines for some drop-off locations listed, particular hours when entries are accepted, certain individuals to leave your entries with, etc. All entrants are responsible for reading the information provided by the organizers for each drop-off location.

Entry Shipping Closed

Entry bottles accepted at the shipping location 12/27/2023 11:00 AM, EST — 01/07/2024 8:00 PM, EST.