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Microbial Discovery Group
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Fermentation company focused on Bacillus R&D
Microbial Discovery Group
Work Here?
Fermentation company focused on Bacillus R&D
Overview
Microbial Discovery Group focuses on fermentation using Bacillus. The company conducts isolation, characterization, and fermentation development to create microbial-based solutions for customers. By applying rigorous scientific methods and trusted, scalable processes, MDG develops custom fermentation products and processes that can be produced at scale. Its differentiators include a strong emphasis on Research & Development, a science-driven approach, and a commitment to sustainability and customer success, aiming to grow together with clients. The overarching goal is to address global challenges by feeding people, cleaning water, and improving sanitation to save the world.
About Microbial Discovery Group
Industries
Company Size
51-200
Company Stage
N/A
Total Funding
N/A
Headquarters
Franklin, Wisconsin
Founded
2007
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Simplify's Take
What believers are saying
- WEDC celebrated MDG's September 3, 2025 opening and $30 million expansion.
- The new facility supports lyophilization, improving throughput and faster commercial launches.
- MDG's proprietary products and client manufacturing both gain from the added capacity.
What critics are saying
- MDG depends heavily on Bacillus demand; probiotic and biopesticide buyers can delay orders.
- A Franklin downturn would hit all three Wisconsin sites and 46 planned jobs.
- Contract-manufacturing competition from bigger fermentation players can compress margins before 2027 scale-up finishes.
What makes Microbial Discovery Group unique
- MDG pairs R&D, strain isolation, and large-scale Bacillus fermentation in Franklin, Wisconsin.
- Its 2025 Oakwood Road plant added 22,000 liters, reaching 55,000 liters total capacity.
- MDG serves animal health, agriculture, bioremediation, wastewater, and human-health customers.
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Company News
Microbial Discovery Group to spend $30 Million to expand in Franklin Wisconsin creating 46 new jobs. Microbial Discovery Group to spend $30 Million to expand in Franklin Wisconsin creating 46 new jobs.Franklin, Wisconsin — According to state and local development sources, Microbial Discovery Group plans to invest $30,000,000.00 to build out 117,000 square feet of new space in Franklin. The company is creating 46 new jobs at this facility. The company plans to occupy the new space at 5200 Ashland Way in Franklin, on or about May 1, 2026. According to the company website Microbial Discovery Group (MDG) is a basic fermentation company with a special emphasis on Research Development (RD) with Bacillus; including isolation, characterization, and fermentation. MDG is passionate about applying real science to find innovative solutions to todays challenges
The Bacillus Fermentation Company Expands Capacity for Microbial Growth and Scale-UpFRANKLIN, Wis., April 1, 2025 /PRNewswire/ -- Microbial Discovery Group (MDG), an RD-driven product development, scale-up, and large-scale Bacillus fermentation company, continues construction of its new production facility in southeastern Wisconsin. Since its establishment in 2007, MDG has demonstrated significant growth, positioning itself at the forefront of developing and commercializing microbial solutions for the animal health, agriculture, bioremediation, industrial and institutional, wastewater treatment, and human health markets. In addition to MDG's other two facilities in Oak Creek and Franklin, MDG will be opening a new 117,000-square-foot facility located at 3303 W. Oakwood Road in Franklin. The second Franklin location will create 46 new full-time jobs. MDG will be investing over $30 million into the facility over the next three years
Microbial Discovery Group is Hiring for 2 Jobs on Simplify!
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About Microbial Discovery Group
Industries
Company Size
51-200
Company Stage
N/A
Total Funding
N/A
Headquarters
Franklin, Wisconsin
Founded
2007
Microbial Discovery Group is Hiring for 2 Jobs on Simplify!
Find jobs on Simplify and start your career today