The Global Modified Wood Market was valued at USD 2.6 Billion in 2024 and is projected to reach USD 3.7 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 5.4% during the forecast period (2025–2032). This growth is being driven by increasing demand for sustainable construction materials, stringent environmental regulations, and the expanding adoption of high-performance wood products in both interior and exterior applications.

As the construction industry accelerates its transition toward eco-friendly and durable building solutions, the focus shifts to the key manufacturers who are pioneering advanced wood modification technologies. In this blog, we profile the Top 10 Companies in the Modified Wood Industry—a mix of thermal modification specialists, chemical treatment innovators, and sustainability leaders shaping the future of global building materials.

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🔟 1. Thermory AS

Headquarters: Tallinn, Estonia
Key Offering: Thermally Modified Timber, Decking, Cladding, Siding

Thermory AS is a global leader in thermally modified wood, renowned for its proprietary technology that enhances wood durability without chemical additives. The company’s products are extensively used in premium decking, cladding, and interior applications across North America and Europe, praised for their stability and rich aesthetic appeal.

Sustainability Initiatives:

• Utilizes FSC and PEFC certified sustainable wood sources

• Chemical-free modification process reduces environmental impact

• Committed to carbon-neutral production processes by 2030

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9️⃣ 2. Lonza

Headquarters: Basel, Switzerland
Key Offering: Pressure-Treated Wood, Wood Preservatives, Fire-Retardant Treated Wood

Lonza specializes in advanced wood preservation technologies, offering comprehensive solutions for construction, utility, and residential applications. The company’s preservative treatments provide long-term protection against decay, insects, and fungal attack, making it a preferred choice for structural applications.

Sustainability Initiatives:

• Develops eco-friendly copper-based preservative formulations

• Implements water recycling systems in treatment facilities

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8️⃣ 3. Hoover Treated Wood Products

Headquarters: Thomson, Georgia, USA
Key Offering: Fire-Retardant Treated Wood, Pressure-Treated Lumber

Hoover Treated Wood Products is a major North American manufacturer of specialty treated wood products, with a strong focus on fire-retardant treatments for commercial and residential construction. The company operates multiple treatment facilities across the United States, serving both domestic and international markets.

Sustainability Initiatives:

• Partners with sustainable forestry initiatives

• Implements energy-efficient treatment processes

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7️⃣ 4. Koppers Holdings Inc.

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Utility Poles, Railroad Ties, Treated Wood Products

Koppers is a global integrated provider of treated wood products, carbon compounds, and engineering materials. The company’s extensive product portfolio serves critical infrastructure sectors including transportation, energy, and construction, with a strong emphasis on durability and performance.

Sustainability Initiatives:

• Invests in recycling and reclamation programs for wood products

• Develops environmentally advanced wood preservation systems

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6️⃣ 5. Foreco

Headquarters: Bruges, Belgium
Key Offering: Thermally Modified Wood, Acetylated Wood, Specialty Wood Products

Foreco is a European leader in advanced wood modification technologies, offering both thermal and chemical modification processes. The company’s products meet stringent EU sustainability standards and are widely used in architectural applications requiring high durability and aesthetic quality.

Sustainability Initiatives:

• Certified under EU timber regulations and sustainability standards

• Focuses on cradle-to-cradle product lifecycles

Download FREE Sample Report: Modified Wood Market – View in Detailed Research Report

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5️⃣ 6. Viance

Headquarters: Cary, North Carolina, USA
Key Offering: Wood Preservatives, Fire Retardants, Modified Wood Technologies

Viance develops and manufactures advanced wood treatment technologies that enhance durability, fire resistance, and environmental performance. The company’s proprietary formulations are used in residential, commercial, and industrial applications across global markets.

Sustainability Initiatives:

• Focuses on low-VOC and environmentally benign treatment formulations

• Partners with research institutions for sustainable technology development

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4️⃣ 7. Arbor Wood Co.

Headquarters: Portland, Oregon, USA
Key Offering: Thermally Modified Wood, Decking, Siding, Interior Paneling

Arbor Wood Co. specializes in thermally modified wood products for architectural and design applications. The company’s focus on premium aesthetics and performance has made it a preferred supplier for high-end residential and commercial projects in North America.

Sustainability Initiatives:

• Sources wood from sustainably managed forests

• Implements energy recovery systems in thermal modification processes

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3️⃣ 8. Flameproof Companies

Headquarters: Ball Ground, Georgia, USA
Key Offering: Fire-Retardant Treated Wood, Pressure-Treated Lumber

Flameproof Companies is a leading provider of fire-retardant treated wood products for the construction industry. The company’s products meet rigorous fire safety standards while maintaining structural integrity, serving commercial, institutional, and residential markets.

Sustainability Initiatives:

• Develops fire retardants with reduced environmental impact

• Implements comprehensive waste reduction programs

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2️⃣ 9. Sunset Molding

Headquarters: Live Oak, California, USA
Key Offering: Treated Wood Products, Decking, Fencing, Landscape Timbers

Sunset Molding manufactures a wide range of treated wood products for residential and commercial outdoor applications. The company’s focus on quality and customer service has established it as a reliable supplier in the western United States market.

Sustainability Initiatives:

• Utilizes eco-friendly treatment processes

• Sources wood from certified sustainable forests

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1️⃣ 10. NFP

Headquarters: York, Pennsylvania, USA
Key Offering: Pressure-Treated Wood, Fire-Retardant Lumber, Specialty Wood Products

NFP (Northern Forest Products) is a regional leader in treated wood products, serving the construction and industrial sectors with comprehensive wood treatment solutions. The company’s diverse product range meets various performance requirements while maintaining competitive pricing.

Sustainability Initiatives:

• Implements water conservation measures in treatment facilities

• Focuses on product longevity to reduce replacement frequency

Get Full Report Here: Modified Wood Market – View in Detailed Research Report

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🌍 Outlook: The Future of Modified Wood Is Smarter and More Sustainable

The modified wood market is undergoing a significant transformation. While traditional treated wood still dominates in volume, the industry is increasingly investing in advanced modification technologies, sustainable production methods, and innovative applications that extend wood’s performance characteristics.

📈 Key Trends Shaping the Market:

• Rapid adoption of thermal modification technologies in North America and Europe

• Increasing regulatory push for sustainable building materials and green certifications

• Growing consumer preference for natural, durable materials in architectural design

• Expansion of modified wood applications in marine and extreme environment construction

Get Full Report Here: Modified Wood Market – View in Detailed Research Report

The companies listed above are not only supplying sustainable building materials—they’re pioneering the eco-friendly transformation of the global construction industry.