The Global Alkaline Copper Quaternary (ACQ) Preservatives Market was valued at USD 485.2 Million in 2024 and is projected to reach USD 682.7 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2030). This robust growth is fueled by stringent environmental regulations phasing out chromated copper arsenate (CCA), increased demand for durable treated wood in construction, and a global push towards more sustainable and less toxic wood preservation solutions.

As the construction and wood processing industries increasingly prioritize environmental safety and long-lasting material performance, the focus turns to the key chemical companies developing advanced wood preservative formulations. In this blog, we profile the Top 10 Companies in the Alkaline Copper Quaternary (ACQ) Preservatives Industry—a group of global chemical giants and specialized formulators shaping the future of wood protection.

Download FREE Sample Report:
Alkaline Copper Quaternary (ACQ) Preservatives Market – View in Detailed Research Report

---

🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Wolmanit® CX-8, Wolmanit® CX-10 (ACQ formulations)

BASF is a global leader in specialty chemicals and a major force in the wood preservatives market. Their Wolmanit® product line includes high-performance ACQ formulations designed for pressure treatment of lumber, plywood, and other wood products, offering excellent protection against decay and termites.

Innovation & Sustainability Focus:

• Development of enhanced ACQ formulations with improved penetration and fixation

• Investment in R&D for next-generation, eco-friendly wood preservatives

• Global supply chain and technical support for treaters and distributors

---

9️⃣ 2. Koppers Holdings Inc.

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Nature Wood® ACQ, Osmose® ACQ Preservatives

Koppers is a leading integrated provider of treated wood products and wood preservation chemicals. Through its Osmose subsidiary, the company is a primary supplier of ACQ preservatives in North America and other key markets, serving utility, railroad, and construction sectors.

Innovation & Sustainability Focus:

• Proprietary formulation technologies for superior wood penetration

• Focus on lifecycle analysis and environmental product declarations (EPDs)

• Extensive network of treatment plants and technical service capabilities

---

8️⃣ 3. Lonza Group AG

Headquarters: Basel, Switzerland
Key Offering: Wolmanized® Outdoor Wood, ACQ Preserve®

Lonza is a premier provider of microbial control solutions, including a comprehensive portfolio of wood preservatives. Their ACQ products are widely used for residential and commercial applications, known for their reliability and compliance with international standards.

Innovation & Sustainability Focus:

• Leadership in copper-based preservative chemistry

• Commitment to sustainable manufacturing processes

• Global regulatory expertise to ensure market access for treated wood products

---

7️⃣ 4. KMG Chemicals, Inc. (A Subsidiary of Cabot Microelectronics)

Headquarters: Houston, Texas, USA
Key Offering: ACQ Wood Preservatives for Industrial Applications

KMG Chemicals, now part of Cabot Microelectronics, has a strong history in specialty chemicals, including wood treatment formulations. Their ACQ products are engineered for demanding applications where longevity and structural integrity are critical.

Innovation & Sustainability Focus:

• Focus on high-performance formulations for pressure treatment

• Integration into a larger portfolio of electronic and performance materials

• Adherence to strict environmental and safety standards

Download FREE Sample Report:
Alkaline Copper Quaternary (ACQ) Preservatives Market – View in Detailed Research Report

---

6️⃣ 5. Troy Corporation

Headquarters: Florham Park, New Jersey, USA
Key Offering: Polyphase® (portfolio includes compatible fungicides for wood), Custom ACQ formulations

Troy Corporation specializes in performance materials, including preservatives and antimicrobials. While known for its broad-spectrum fungicides, it provides key components and expertise that support the efficacy of ACQ systems used by wood treaters.

Innovation & Sustainability Focus:

• Development of synergistic additives to enhance ACQ performance

• Expertise in preventing fungal stain and mold on treated wood

• Global presence supporting wood treaters across diverse climates

---

5️⃣ 6. Viance LLC (A Division of Riverdale Holdings)

Headquarters: Charlotte, North Carolina, USA
Key Offering: Ecolife® (a stabilized ACQ formulation), DBF (Disodium Octaborate Tetrahydrate) for complementary treatment

Viance is a leading provider of wood preservation technologies in North America. Their Ecolife® product is a patented, stabilized ACQ formula that includes a water repellent, offering enhanced dimensional stability and weather resistance for decking and outdoor structures.

Innovation & Sustainability Focus:

• Patented stabilization technology for improved performance

• Focus on consumer-friendly, low-maintenance treated wood products

• Strong relationships with major retailers and building material suppliers

---

4️⃣ 7. Dolphin Bay

Headquarters: Somerset West, South Africa
Key Offering: ACQ-B, ACQ-D formulations, Complete wood treatment plant solutions

Dolphin Bay is a key player in the Southern Hemisphere and emerging markets, providing both wood preservative chemicals and turnkey treatment plant setups. They are known for their high-quality ACQ formulations tailored to local wood species and climatic conditions.

Innovation & Sustainability Focus:

• Specialization in treating challenging hardwood species

• Provision of end-to-end solutions from chemical supply to plant engineering

• Expansion into other emerging markets across Africa and Asia

---

3️⃣ 8. Remmers Group

Headquarters: Löningen, Germany
Key Offering: ACQ-based wood preservatives for professional and DIY markets, Wood stains and coatings

Remmers is a German specialist in building protection products with a significant presence in Europe. They offer ACQ preservatives alongside a comprehensive system of primers, stains, and coatings, providing a complete wood protection solution.

Innovation & Sustainability Focus:

• Integrated system approach to wood protection (preservative + coating)

• Strong focus on the European renovation and restoration market

• Commitment to high environmental standards and product certifications

---

2️⃣ 9. Wykamol Group

Headquarters: Stoke-on-Trent, United Kingdom
Key Offering: Specialist ACQ formulations for remedial timber treatment, Boron and ACQ combination products

The Wykamol Group is a UK-based leader in wood preservation and damp-proofing products. They specialize in formulations for the remedial treatment of existing structures, offering ACQ solutions that are effective against active decay in-situ.

Innovation & Sustainability Focus:

• Expertise in remedial and heritage building preservation

• Development of dual-action preservatives (e.g., boron/ACQ combinations)

• Focus on the specific challenges of the UK and European building stock

Download FREE Sample Report:
Alkaline Copper Quaternary (ACQ) Preservatives Market – View in Detailed Research Report

---

1️⃣ 10. Jinan Loncy Chemical Co., Ltd.

Headquarters: Jinan, Shandong, China
Key Offering: ACQ-A, ACQ-B, ACQ-C, ACQ-D Concentrates

Jinan Loncy Chemical is a significant manufacturer and supplier of ACQ preservative concentrates in the Asia-Pacific region. They cater to a vast network of wood treatment plants across China and export to neighboring countries, supporting the region’s booming construction industry.

Innovation & Sustainability Focus:

• Cost-effective production of ACQ active ingredients

• Adaptation of formulations for prevalent Asian wood species like rubberwood and pine

• Rapid response to the growing demand for treated wood in infrastructure projects

Get Full Report Here:
Alkaline Copper Quaternary (ACQ) Preservatives Market – View in Detailed Research Report

---

🌍 Outlook: The Future of Wood Preservation is Safer and Smarter

The ACQ preservatives market is evolving beyond simply replacing CCA. The industry is now focused on enhancing performance, improving environmental profiles, and meeting the demands of a circular economy.

📈 Key Trends Shaping the Market:

• Enhanced Formulations: Development of ACQ with added water repellents, stabilizers, and co-biocides for extended service life and reduced checking.

• Regulatory Harmonization: Increasing alignment of wood preservative standards across major markets (North America, Europe, Asia) to facilitate global trade.

• Sustainability & Circularity: Growth in recycling and proper disposal protocols for ACQ-treated wood at end-of-life, alongside research into bio-based synergists.

• Digitalization & Quality Control: Adoption of digital monitoring in treatment plants to ensure precise retention and penetration, guaranteeing product quality and safety.

Get Full Report Here:
Alkaline Copper Quaternary (ACQ) Preservatives Market – View in Detailed Research Report

The companies listed above are not only supplying essential chemicals—they are enabling the construction of safer, more durable, and sustainable wooden structures worldwide, ensuring that wood remains a viable and preferred building material for generations to come.