The Global and United States Unbonded Prestressed Concrete Strand Market was valued at USD 1.23 Billion in 2023 and is projected to reach USD 2.01 Billion by 2029, growing at a Compound Annual Growth Rate (CAGR) of 8.5% during the forecast period (2023–2029). This growth is being driven by rapid urbanization, extensive infrastructure projects in emerging economies, and the increasing demand for high-strength, corrosion-resistant materials in construction applications such as bridges and high-rise buildings.

As the construction industry evolves toward more durable, efficient, and sustainable structures, the focus turns to the key manufacturers of unbonded prestressed concrete strand (PC strand) who are innovating in material science, production techniques, and eco-friendly practices. In this blog, we profile the Top 10 Companies in the Unbonded Prestressed Concrete Strand Industry—a blend of global giants, regional specialists, and technology leaders shaping the backbone of modern infrastructure worldwide.

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🔟 1. Bekaert Corporation

Headquarters: Zwevegem, Belgium
Key Offering: Galvanized Steel Strand, Epoxy Coated Steel Strand

Bekaert stands as a global leader in advanced steel wire and strand solutions, providing unbonded PC strands widely used in post-tensioning for buildings and bridges. Their products are engineered for superior tensile strength and longevity, serving major projects in North America, Europe, and Asia. With a focus on precision manufacturing, Bekaert supplies strands that enhance structural integrity without bonding to concrete, allowing for flexibility in design.

Innovation and Sustainability Initiatives:

• Development of low-relaxation strands for seismic-resistant structures

• Investments in recyclable coating technologies to reduce environmental impact

• Commitment to carbon-neutral production by 2035 through renewable energy adoption

Download FREE Sample Report: Global and United States Unbonded Prestressed Concrete Strand Market – View in Detailed Research Report

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9️⃣ 2. KISWIRE LTD

Headquarters: Seoul, South Korea
Key Offering: Aluminum Clad Steel Strand, Galvanized Steel Strand

KISWIRE is a prominent player in the wire rope and strand sector, offering unbonded PC strands that meet international standards for bridge and architectural applications. Operating across Asia-Pacific and beyond, the company delivers high-performance products that resist corrosion in harsh environments, supporting large-scale infrastructure like highways and tunnels.

Innovation and Sustainability Initiatives:

• Advanced cladding processes for enhanced durability in marine climates

• Partnerships with construction firms to optimize strand usage in sustainable builds

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8️⃣ 3. Sumitomo Electric Industries, Ltd.

Headquarters: Osaka, Japan
Key Offering: Epoxy Coated Steel Strand, Galvanized Steel Strand

Sumitomo Electric excels in wire and cable technologies, producing unbonded PC strands tailored for high-stress applications in urban development. Their strands are integral to Japan’s earthquake-proof constructions and are exported to the United States for similar resilient projects, emphasizing quality control and material innovation.

Innovation and Sustainability Initiatives:

• Research into hybrid coatings for improved corrosion resistance

• Targets for 20% reduction in production emissions by 2025

• Sustainable material supply partnerships with construction firms and logistics hubs

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7️⃣ 4. Insteel Industries, Inc.

Headquarters: Mount Airy, North Carolina, USA
Key Offering: Galvanized Steel Strand, Aluminum Clad Steel Strand

Insteel is a key U.S.-based manufacturer specializing in concrete reinforcement products, including unbonded PC strands for bridges and commercial buildings. The company focuses on domestic markets while adhering to stringent American standards, ensuring reliability in prestressed concrete systems that support the nation’s aging infrastructure upgrades.

Innovation and Sustainability Initiatives:

• Expansion of U.S. production capacity to meet federal infrastructure bills

• Use of energy-efficient manufacturing to lower carbon footprint

Download FREE Sample Report: Global and United States Unbonded Prestressed Concrete Strand Market – View in Detailed Research Report

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6️⃣ 5. HEBEI LONGSHENG

Headquarters: Shijiazhuang, Hebei, China
Key Offering: Epoxy Coated Steel Strand, Galvanized Steel Strand

Hebei Longsheng is a major Chinese producer of steel strands, supplying unbonded PC products for vast infrastructure initiatives like high-speed rails and skyscrapers. Their competitive pricing and scale make them a go-to for global projects, particularly in Asia where construction booms.

Innovation and Sustainability Initiatives:

• Adoption of automated production lines for consistent quality

• Initiatives to incorporate recycled steel in strand manufacturing

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5️⃣ 6. WISCO Group

Headquarters: Wuhan, Hubei, China
Key Offering: Aluminum Clad Steel Strand, Galvanized Steel Strand

As part of the Wuhan Iron and Steel Corporation, WISCO Group delivers robust unbonded PC strands essential for heavy-duty applications in bridges and industrial structures. Their extensive supply chain supports both domestic Chinese megaprojects and international exports, emphasizing high-tensile strength materials.

Innovation and Sustainability Initiatives:

• Current output exceeds 500,000 tons annually for steel products

• Goals for greener steelmaking with reduced emissions

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4️⃣ 7. Tianjin DAXIONG Prestressed

Headquarters: Tianjin, China
Key Offering: Epoxy Coated Steel Strand, Galvanized Steel Strand

Tianjin Daxiong specializes in prestressed concrete solutions, offering unbonded strands that facilitate post-tensioning in long-span bridges and architectural marvels. Their products are tested rigorously for compliance with ISO standards, serving key markets in China and Southeast Asia.

Innovation and Sustainability Initiatives:

• Focus on anti-corrosion treatments for coastal infrastructure

• Local R&D programs for sustainable material alternatives

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3️⃣ 8. Tai’an Xinke Steel Strand Co., Ltd.

Headquarters: Tai’an, Shandong, China
Key Offering: Aluminum Clad Steel Strand, Epoxy Coated Steel Strand

Tai’an Xinke is renowned for its specialized unbonded PC strands used in transportation infrastructure, including viaducts and overpasses. The company leverages advanced drawing technologies to produce strands with minimal relaxation, catering to the growing needs of high-density urban areas.

Innovation and Sustainability Initiatives:

• Indigenous development of coated strands for extended lifespan

• Collaborations with government on eco-friendly construction projects

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2️⃣ 9. Baosteel Group

Headquarters: Shanghai, China
Key Offering: Galvanized Steel Strand, Aluminum Clad Steel Strand

Baosteel, one of China’s largest steel producers, manufactures high-quality unbonded PC strands for a range of applications from residential architecture to major bridges. Their integrated operations ensure cost-effectiveness and supply reliability for global clients.

Innovation and Sustainability Initiatives:

• Aims to produce over 1 million tons of green steel products yearly

• Expansion into low-alloy strands for seismic zones

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1️⃣ 10. Usha Martin Group

Headquarters: Kolkata, India
Key Offering: Epoxy Coated Steel Strand, Galvanized Steel Strand

Usha Martin is a leading wire and strand manufacturer in India, providing unbonded PC strands for infrastructure developments across South Asia and exports to the United States. They specialize in custom solutions for bridge engineering, supporting sustainable urban growth with durable materials.

Innovation and Sustainability Initiatives:

• End-to-end solutions for prestressing in emerging markets

• Strategic alliances with international bodies for technology transfer

Read Full Report: Global and United States Unbonded Prestressed Concrete Strand Market – View in Detailed Research Report

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🌍 Outlook: The Future of Unbonded Prestressed Concrete Strand Is Stronger and More Sustainable

The unbonded prestressed concrete strand market is experiencing significant transformation. Traditional steel strands continue to hold a substantial share, but the sector is pouring resources into advanced coatings, recycled materials, and efficient production methods to meet the demands of green building standards and resilient infrastructure.

Because of ongoing global investments in transportation and housing, demand is surging, particularly in regions like Asia-Pacific and North America. However, challenges such as raw material price volatility persist, prompting companies to innovate. Furthermore, regulatory pressures for sustainable construction are accelerating the shift toward eco-friendly strands that minimize waste and energy use during installation.

The market’s segmentation by type—such as galvanized, epoxy coated, and aluminum clad steel strands—highlights diverse applications in architecture, bridges, and other sectors. For instance, epoxy coated variants are gaining traction for their corrosion resistance in humid climates. Regionally, North America, led by the U.S., focuses on upgrading aging bridges, while Asia-Pacific drives volume through megacities. Europe emphasizes compliance with environmental norms, and Latin America sees growth in public works.

📈 Key Trends Shaping the Market:

• Expansion of production capacities in China and India to support Belt and Road initiatives

• Regulatory mandates for sustainable materials in EU and U.S. infrastructure spending

• Digital integration in manufacturing for quality assurance and supply chain optimization

• Collaborations between manufacturers and architects for customized, low-relaxation strands

Stakeholders in the global and United States markets can leverage detailed segmental analysis by type, application, and region for the period 2018-2029 to strategize effectively. Players like those profiled are not just supplying strands; they are fortifying the foundations of tomorrow’s cities and connections.

Read Full Report: Global and United States Unbonded Prestressed Concrete Strand Market – View in Detailed Research Report

The companies listed above are not only reinforcing global infrastructure—they’re pioneering the sustainable evolution of construction worldwide.