The Global Ammoniacal Copper Arsenate (ACA) Market was valued at approximately USD 1.2 Billion in 2024 and is projected to maintain a stable presence in the wood preservation sector, with nuanced shifts influenced by environmental regulations and the search for alternative treatments. Ammoniacal Copper Arsenate (ACA) remains a critical waterborne wood preservative, prized for its effectiveness against decay fungi and termites, particularly for industrial applications like utility poles and railway ties. This stability is being navigated amidst increasing regulatory scrutiny and the accelerating development of alternative wood preservatives across North America, Europe, and Asia-Pacific regions.

As the wood preservation industry seeks a balance between performance, cost, and environmental responsibility, the focus turns to the key chemical suppliers and treatment specialists who continue to supply and innovate within regulated frameworks. In this blog, we profile the Top 10 Companies in the Ammoniacal Copper Arsenate (ACA) Industry—a group of established chemical manufacturers and preservative formulators shaping the supply chain for pressure-treated wood.

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🔟 1. Lonza Group Ltd.

Headquarters: Basel, Switzerland
Key Offering: ACA formulations, Copper Azole (CA), Other Wood Preservatives

Lonza is a global leader in specialty chemicals, including a comprehensive portfolio of wood preservatives. While its focus has significantly shifted towards copper-based alternatives like Copper Azole, Lonza possesses deep historical expertise in arsenical preservatives and continues to serve markets where ACA is approved under strict regulatory oversight.

Key Initiatives & Market Position:

• Pioneer in developing next-generation, reduced-arsenic wood preservatives.

• Strong R&D focus on enhancing environmental profile of wood protection chemicals.

• Global supply chain supporting wood treatment plants.

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9️⃣ 2. Koppers Holdings Inc.

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: ACA-treated wood products, Creosote, Pentachlorophenol

Koppers is a leading integrated provider of treated wood products and carbon compounds. The company operates numerous wood treating plants across North America, utilizing ACA and other preservatives to produce durable utility poles, cross ties, and lumber for industrial applications, leveraging its extensive distribution network.

Key Initiatives & Market Position:

• Major consumer of ACA for utility and telecommunications infrastructure.

• Strategic focus on long-lifecycle infrastructure products.

• Commitment to safe handling and environmental stewardship of treated wood.

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8️⃣ 3. Viance LLC (A subsidiary of Arxada)

Headquarters: Cary, North Carolina, USA
Key Offering: ACA, Ecolife® (stabilized ACQ), DCOI-based preservatives

Viance, now part of the global bioscience company Arxada, is a foremost formulator and supplier of wood preservatives in North America. The company provides ACA alongside a full suite of alternatives, offering solutions tailored to specific performance needs and regulatory requirements.

Key Initiatives & Market Position:

• Extensive technical support and service for wood treaters.

• Promotion of integrated pest management and preservative best practices.

• Development of proprietary additive technologies to enhance preservative performance.

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7️⃣ 4. Dolphin Bay

Headquarters: Somerset West, South Africa
Key Offering: ACA, CCA, Wood Preservative Chemicals & Equipment

Dolphin Bay is a key supplier of wood preservative chemicals and treating equipment across Africa and other emerging markets. The company supports the plantation timber industry by providing effective preservation technologies, including ACA, to extend the service life of wood products in harsh environments.

Key Initiatives & Market Position:

• Focus on enabling sustainable forestry through wood preservation.

• Provides complete solutions, from chemicals to operational training for treatment plants.

• Strong presence in markets where ACA remains a cost-effective solution for durable wood.

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6️⃣ 5. Goodfellow Inc.

Headquarters: Delson, Quebec, Canada
Key Offering: Treated lumber, plywood, logs (including ACA-treated products)

Goodfellow is a leading Canadian distributor and re-manufacturer of wood products. The company supplies ACA-treated timber for a variety of industrial and construction applications, serving the domestic and international markets with a focus on quality and reliability.

Key Initiatives & Market Position:

• Vertically integrated operations including treating facilities.

• Significant exporter of value-added treated wood products.

• Adherence to Canadian standards for preservative-treated wood.

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Ammoniacal Copper Arsenate (ACA) Market – View in Detailed Research Report

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5️⃣ 6. Jinan Delan Chemicals Co., Ltd.

Headquarters: Jinan, Shandong, China
Key Offering: ACA, Chromated Copper Arsenate (CCA), Micronized Copper Azole (MCA)

Jinan Delan Chemicals is a significant Chinese manufacturer of wood preservative chemicals. The company produces a range of arsenical and arsenic-free preservatives, supplying both domestic treaters and international markets with competitive products.

Key Initiatives & Market Position:

• Cost-effective production of wood preservative active ingredients.

• Growing export-oriented business in Southeast Asia and other regions.

• Investment in production capacity for copper-based wood preservatives.

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4️⃣ 7. CRM Yingtan

Headquarters: Yingtan, Jiangxi, China
Key Offering: Copper and arsenic-based compounds for wood preservatives

CRM Yingtan specializes in the production of inorganic chemicals, including key components used in the formulation of ACA and CCA. As a supplier of raw materials, the company plays a crucial role in the upstream supply chain for wood preservative manufacturers.

Key Initiatives & Market Position:

• Strategic location in a region rich in mineral resources.

• Supplies essential ingredients to formulators globally.

• Focus on consistent quality and purity of chemical intermediates.

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3️⃣ 8. Foshan Liyuan Chemical Co., Ltd.

Headquarters: Foshan, Guangdong, China
Key Offering: ACA, CCA, Wood fungicides and insecticides

Foshan Liyuan Chemical is a manufacturer focused on pesticides and wood preservatives. The company produces ACA for the protection of wood used in construction, landscaping, and other applications where ground contact resistance is required.

Key Initiatives & Market Position:

• Serves the robust manufacturing and construction sectors in Southern China.

• Competitive pricing strategy for cost-sensitive markets.

• Adapting product portfolio in response to environmental trends.

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2️⃣ 9. Boda Biochemistry

Headquarters: Hebi, Henan, China
Key Offering: ACA, Other specialized chemical intermediates

Boda Biochemistry is involved in the production of fine chemicals and biochemical products, including formulations for wood preservation. The company contributes to the market with its production capabilities for ACA, catering to specific industrial demands.

Key Initiatives & Market Position:

• Leverages biochemical expertise in preservative formulation.

• Focuses on niche industrial applications for wood preservation.

• Operates within China’s regulatory framework for chemical production.

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1️⃣ 10. Other Regional & Niche Players

Headquarters: Various
Key Offering: ACA supply and wood treatment services

Beyond the major global players, the ACA market includes several regional companies and specialized wood treaters. These entities are vital for local supply chains, providing treated wood products for specific infrastructure projects and adhering to regional environmental and safety standards.

Market Role & Characteristics:

• Essential for supplying local construction and utility sectors.

• Often operate under specific licenses for ACA use in controlled applications.

• Focus on logistics and service for regional customer bases.

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Ammoniacal Copper Arsenate (ACA) Market – View in Detailed Research Report

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🌍 Outlook: The Future of ACA in a Regulated Landscape

The Ammoniacal Copper Arsenate market is characterized by maturity and transition. While its use in consumer applications has diminished significantly in many regions, it remains a technically viable option for specific high-performance, industrial applications under strict containment and disposal protocols. The industry’s trajectory is firmly pointed towards arsenic-free alternatives, driving innovation in copper-based and organic preservative systems.

📈 Key Factors Influencing the Market:

• Stringent Environmental Regulations: Phasing out or restricting arsenic-based preservatives in residential settings, particularly in North America and Europe.

• Niche Industrial Demand: Continued, regulated use for critical infrastructure like utility poles and railway ties where long service life is paramount.

• Growth in Alternative Preservatives: Rising adoption of Copper Azole (CA), Alkaline Copper Quaternary (ACQ), and micronized copper systems.

• Global Market Variance: Demand dynamics differ significantly between regulated Western markets and developing regions where cost and performance drive preservative selection.

Get Full Report Here:
Ammoniacal Copper Arsenate (ACA) Market – View in Detailed Research Report

The companies listed above represent the core of the ACA supply ecosystem. They are not only supplying a critical industrial material but are also at the forefront of navigating the industry’s evolution towards safer, sustainable wood preservation technologies.