Sterling Solutions

Sterling: A Family of Industry Leaders

Driving Innovation Across Mass Timber, Site Access, and Engineered Wood Solutions

As North America’s largest manufacturer of Cross-Laminated Timber (CLT), Sterling is redefining industries with sustainable, high-performance solutions. Our expertise spans engineered wood products, site access innovations, and structural systems—offering lighter, stronger, and more environmentally responsible alternatives to traditional materials.

Across our specialized divisions, we provide the products and expertise that power construction, infrastructure, and industrial applications.

Our Companies

The image shows a wooden surface with a bold, uniform orange stain. The wood grain and plank seams are visible, giving it a textured appearance while maintaining a solid color finish.

Driving Innovation Across Mass Timber, Site Access, and Engineered Wood Solutions

As North America’s largest manufacturer of Cross-Laminated Timber (CLT), Sterling is redefining industries with sustainable, high-performance solutions. Our expertise spans engineered wood products, site access innovations, and structural systems—offering lighter, stronger, and more environmentally responsible alternatives to traditional materials.

Across our specialized divisions, we provide the products and expertise that power construction, infrastructure, and industrial applications.

Our Companies

Home to industry-leading site access products such as our TerraLam access mats and TerraCross bridge systems, we offer strong, lightweight, and sustainable alternatives to current temporary access options on the market.

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Sterling Structural

As the largest manufacturer of CLT by volume, our structural product line provides a competitively priced, mass timber panel that is designed for seamless integration into wall, floor, and roof applications.

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Workers secure mass timber panels onto a building frame with crane assistance.

Lion Lumber

The modern version of our founding company, Lion Lumber specializes in high-quality, American-sourced wood solutions tailored for industrial applications such as lagging and shielding lumber to custom skids and pallets.

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About Sterling

For more than 75 years, Sterling has innovated and delivered sustainable solutions that meet customer needs, create jobs and economic opportunity across the supply chain, and reduce the risk & environmental impact of industrial, commercial and residential construction projects.

Sterling operates across several construction and commercial related industries. Our Site Access division utilizes our flagship TerraLam CLT product as an access mat, providing a strong, durable, and more sustainable alternative to other commonly available matting products. Our Structural division transforms our TerraLam CLT product into panels for mass timber construction, bringing advantages of reduced construction time and increase sustainability over traditional building materials such as concrete and steel. And our Lion Lumber division creates high-quality wood products used in civil engineering projects and industrial freight operations.

Our corporate headquarters and primary manufacturing facility is located in Phoenix, Illinois. We also have a second manufacturing facility in Lufkin, Texas and additional offices for construction operations and shared services.