Top 10 Companies in the Offshore Wind Tower and Foundation Market (2026): Market Leaders Powering Global Energy Transition

MARKET INSIGHTS

Global offshore wind tower and foundation market size was valued at USD 1,915 million in 2025. The market is projected to grow from USD 2,160 million in 2026 to USD 4,052 million by 2034, exhibiting a CAGR of 12.8% during the forecast period. In volume terms, the market reached approximately 969.5 kilotons in 2025.

Offshore wind towers and foundations are critical structural components designed to support wind turbines above the sea, ensuring stability and operational efficiency in harsh marine environments. These structures are engineered to withstand significant challenges, including saltwater corrosion, powerful ocean currents, and extreme weather conditions. The primary product categories include Cylindrical Tube Type and Truss Type foundations, with installation methods such as Driven Pile and Drilled Pile being prevalent. The industry is increasingly focusing on larger and stronger designs to accommodate next‑generation, more powerful turbines and to enable development in deeper waters.

The market’s robust growth is propelled by the global push for renewable energy and substantial government investments in offshore wind projects. However, the industry faces challenges related to high capital expenditure and complex supply chain logistics. Key market players such as EEW Group, Sif‑group, and Bladt Industries are driving innovation and capacity expansion to meet the rising demand, with a current global production capacity of approximately 600,000 tons. The average market price per ton was around USD 2,163 in 2025, reflecting the high‑value, engineered nature of these essential components for the energy transition.

Offshore Wind Tower and Foundation Market – View in Detailed Research Report

Top 10 Companies in the Offshore Wind Tower and Foundation Market

1️⃣ SeAH Steel Holdings (South Korea)

Headquarters: Busan, South Korea
Key Offering: Monopiles, transition pieces, and full tower fabrication for offshore wind farms

SeAH Steel has built a reputation for delivering high‑strength, corrosion‑resistant steel structures that meet the rigorous demands of deep‑water installations. Their fabrication yards are equipped with heavy‑lift capabilities, enabling rapid deployment of large‑diameter monopiles.

Sustainability Initiatives:

• Investments in low‑carbon steel production processes
• Partnerships with renewable energy developers to accelerate project timelines
• Adoption of advanced surface coatings to extend component lifespan

2️⃣ Sif‑group (Netherlands)

Headquarters: Rotterdam, Netherlands
Key Offering: Fabrication of cylindrical tube and truss foundations, as well as specialized transition pieces

Sif‑group leverages its deep‑water quayside infrastructure to support rapid staging and installation of large offshore structures, positioning it as a preferred supplier for European projects.

Sustainability Initiatives:

• Implementation of circular manufacturing practices to reduce steel waste
• Collaboration with research institutions on corrosion‑resistance technologies
• Targeted reduction of CO₂ emissions across the supply chain

3️⃣ EEW Group (Germany)

Headquarters: Hamburg, Germany
Key Offering: Full‑scale tower and foundation production, including transition pieces and monopiles

EEW Group’s extensive experience in heavy‑steel fabrication for maritime applications translates into robust offshore solutions that meet stringent safety standards.

Sustainability Initiatives:

• Investment in digital twin technology to optimize design and reduce material waste
• Adoption of high‑performance protective coatings for extended service life
• Participation in regional green energy projects to promote decarbonisation

4️⃣ Dajin Heavy Industry (China)

Headquarters: Shanghai, China
Key Offering: Production of large‑diameter monopiles and truss foundations for deep‑water projects

Dajin’s rapid scale‑up has positioned it as a leading supplier for China’s aggressive offshore wind targets, with a focus on cost‑effective manufacturing.

Sustainability Initiatives:

• Implementation of energy‑efficient blast furnace technologies
• Development of lightweight composite alternatives for structural components
• Collaboration with local governments to support green infrastructure development

5️⃣ Tianneng Heavy Industries (China)

Headquarters: Shenzhen, China
Key Offering: Fabrication of cylindrical tube foundations and transition pieces

Tianneng’s integration of advanced automation in fabrication processes enables high‑precision production at scale.

Sustainability Initiatives:

• Use of recycled steel feedstock to reduce raw material consumption
• Adoption of low‑emission welding technologies
• Participation in national carbon reduction programs

6️⃣ Haili Wind Power Equipment (China)

Headquarters: Guangzhou, China
Key Offering: Monopile and truss foundation manufacturing for offshore wind farms

Haili focuses on delivering cost‑competitive solutions while maintaining stringent quality controls.

Sustainability Initiatives:

• Investment in renewable energy for plant operations
• Implementation of lean manufacturing to minimize waste
• Collaboration with turbine manufacturers to optimize joint design

7️⃣ Rainbow Heavy Industries (China)

Headquarters: Wuhan, China
Key Offering: Production of cylindrical tube foundations and transition pieces

Rainbow’s vertical integration allows it to control every stage of production, from raw material sourcing to final fabrication.

Sustainability Initiatives:

• Use of high‑strength low‑weight steel alloys
• Implementation of closed‑loop water recycling in manufacturing
• Partnerships with environmental NGOs to monitor marine impact

8️⃣ Titan Wind Energy (China)

Headquarters: Nanjing, China
Key Offering: Fabrication of large‑diameter monopiles and transition pieces for deep‑water projects

Titan has positioned itself as a key player in China’s push for offshore wind capacity, emphasizing rapid deployment and cost control.

Sustainability Initiatives:

• Investment in green steel production technologies
• Development of modular foundation components for faster installation
• Participation in national renewable energy incentive programs

9️⃣ Taisheng Wind Power (China)

Headquarters: Xiamen, China
Key Offering: Production of cylindrical tube foundations and transition pieces

Taisheng focuses on delivering high‑quality foundations for both domestic and export markets, with a strong emphasis on engineering excellence.

Sustainability Initiatives:

• Adoption of environmentally friendly surface treatments
• Implementation of energy‑efficient manufacturing processes
• Collaboration with research institutions on corrosion‑resistance solutions

🔟 Bladt Industries (CS Wind) (Denmark)

Headquarters: Skive, Denmark
Key Offering: Full tower and foundation production, including transition pieces and monopiles

Bladt Industries, now part of CS Wind, has a long history of supplying high‑performance offshore components, with a focus on innovation and quality.

Sustainability Initiatives:

• Investment in digital design tools to reduce material waste
• Use of high‑strength low‑weight steel alloys for weight reduction
• Active participation in European green energy projects

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Outlook: The Future of Offshore Wind Tower and Foundation Market

The next decade will see a decisive shift toward larger, more robust structural designs as turbine capacities climb and projects move into deeper waters. The introduction of floating foundations will unlock previously inaccessible wind resources, expanding the market footprint beyond traditional shallow‑water sites.

Key Trends Shaping the Market

• Standardization and modular construction techniques to reduce lead times and lower costs.
• Adoption of greener manufacturing practices, including low‑emission production and recyclable materials.
• Integration of offshore wind with green hydrogen production, creating new revenue streams and enhancing project viability.
• Geopolitical shifts driving local manufacturing investments, especially in Asia‑Pacific and North America.