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Biewer Lumber™

GSC/Ryan/ASI & Biewer – A Cut Above the Standard for Excellence

As fellow GMS companies, Gypsum Supply Company (GSC), Ryan Building Materials (Ryan), and ASI Building Products (ASI) are authorized dealers of quality wood and lumber products from Biewer Lumber™ through our construction yards across the Great Lakes region in Michigan and northwest Ohio.

The Biewer Difference

Lumber hasn't always been the Biewer family business. In fact, it wasn't until a customer once paid the Biewer's fishing boat livery company in the form of logs that they entered the sawmill industry. That was more than 50 years ago. Much has changed since then, but one thing has remained constant. The principle of "delivering the best products and services to customers" has been the foundation of the Biewer's success for decades.

More than half a century later, the Biewer name is now synonymous with exceptional lumber products, operating five state-of-the-art sawmills, three treating plants, and a full-service logistics company. Today, as part of the third-generation, family-owned Biewer group of companies, Biewer Lumber produces products of the highest quality for use in appearance and traditional construction markets. Committed to the environment and sound forest practices, Biewer takes pride in its family of employees and makes it a goal to operate the safest and most effective facilities.

Partner with GSC/Ryan/ASI for All Your Lumber Products

Gypsum Supply, Inc., Ryan Building Materials, and ASI Building Products offer a wide selection of exceptional lumber products, including:

  • Dimensional lumber
  • Traditional lumber
  • Fire-treated lumber

Buy Biewer Lumber Products from GSC, Ryan, or ASI

For Great Lakes area construction professionals in Michigan and northern Ohio, GSC, Ryan, and ASI offer a fine selection of traditional and specialized lumber products from Biewer, including:

  • Fire-rated plywood backing
  • FlamePro® fire-retardant treated wood

View our complete inventory of quality wood products now. Shop for lumber at GSC/Ryan/ASI.

Biewer Lumber News and Product Updates

Stay up to date with all the latest product releases, improvements, and advancements from Biewer Lumber.

  • Factory Stained Pickets and Panels Learn more
  • Biewer Sawmill – Winona, Inc. Officially Breaks Ground Learn more

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