Biewer’s treatment facilities include three state-of-the-art plants that process and treat both residential and commercial products.

Biewer of Lansing, LLC

Lansing, Michigan – Biewer of Lansing is our largest facility with an annual production capacity of 200 million board feet. This cutting-edge facility sits on 20-plus acres with inside storage of 185,000 sq. ft. Treatment includes a full array of Biewer products for both residential and commercial use.

John A. Biewer Co. of Illinois

Seneca, Illinois – John A. Biewer Co. of Illinois is located in the heartland of the Midwest, just 80 miles west of Chicago.  Our Seneca production facility is the largest FRTW manufacturing facility in the United States. The facility also produces MCA for the residential and commercial markets.

John A. Biewer Co. of Wisconsin

Prentice, Wisconsin – John A. Biewer Co. of Wisconsin is located adjacent to the Biewer Wisconsin Sawmill. This facility services the Wisconsin, Minnesota, South and North Dakota, and Iowa markets. The primary function of this treatment facility is residential and commercial treatment.