O'Fallon Brewery | O'Bar at O'Fallon Brewery
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What is the OFB Beerlab?

OFB Beerlab is the heartbeat of the Quality Assurance program at O’Fallon Brewery. It is a state-of-the-art brewing laboratory that supports the production of O’Fallon brands as well as those of our brewing partners. OFB BeerLab is now offering our laboratory services to the brewing and homebrewing communities as well.

Making great beer is hard work and making that same great beer consistently is even harder. Great decisions (and sometimes even tough decisions) should be based on accurate and reliable data. We have the tools and experience to help you make more informed decisions.

OFB Beerlab is TTB Certified and equipped with the means to help your brewery get the analytics you need from ABV to a Zahm double check and everything in between. We have industry-leading Anton-Paar analyzers including the DMA 4500 M-EC Alcolyzer and CboxQC with piercer for packaged air analysis. We offer microbiological services complete with real-time qPCR.

Meet the folks analyzing your beer:

Jason Small

Quality Assurance Manager

Jason worked in various laboratory roles over the years until finding his true calling in the brewing industry. After working in the Packaging Quality Assurance lab at Anheuser-Busch he went on to earn a certificate in brewing from Siebel. Jason started in a full-time brewing role at O’Fallon and was tasked with building up the quality program. When he’s not teaching Sam the ways of the force or helping plan the future of the brewery, Jason likes to complete projects around the house and play golf.

Sam Wilhelm

Quality Analyst

Student. Philosopher. Beer Nerd. Sam started at O’Fallon in packaging and transitioned into the lab. Sam is currently finishing his studies in Biochemistry and Biotechnology at the University of Missouri – St. Louis. When he’s not analyzing beer or studying, he likes hiking and good conversation over beers.


“OFB BeerLab services were thorough and conducted in a timely manner. Results were presented in a format that allowed easy comparison between samples and the range of tests performed. Jason patiently guided me through testing options and provided answers to all of my questions, including possible implications of the results–a level of service I have not experienced with other labs. In short, O’Fallon has earned all of our lab-related business going forward.”

– Cat Golden

Mark Twain Brewing Company

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