WholeTrees® Structures

WholeTrees® Structures, based in Madison, Wisconsin, is a leader in engineering Structural Round Timber (SRT) for commercial construction. Founded in 2007, the company specializes in using unmilled, whole trees to create sustainable and biophilic structural systems. WholeTrees aims to restore forests while providing a competitive alternative to steel, leveraging the natural strength of trees.

The company offers pre-engineered wood components that are stronger than traditional milled timber and have superior fire performance. Their key products include patented steel connections, truss designs for large spans, and a solar carport that integrates tree-columns with solar energy generation. WholeTrees provides comprehensive support, including timber sourcing, architectural design, engineering, and fabrication, utilizing advanced technologies like CAD and 3D scanning.

WholeTrees is certified as a B Corp and a Women-Owned Business Enterprise (WBE). The company has received recognition for its commitment to sustainability and innovation, including the 2024 MARKETPLACE Governor’s Award for Outstanding Diverse Business of the Year.