The Global Steel Composite Floor Deck Market was valued at USD 5.2 Billion in 2025 and is projected to reach USD 8.1 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 4.9% during the forecast period (2025–2034). This growth is primarily fueled by a global surge in construction activity, the superior structural and economic advantages of composite systems, and the rising demand for faster, more efficient building methods in commercial, residential, and industrial sectors.

As urbanization accelerates and construction methodologies evolve, the focus is on the leading manufacturers and suppliers who are driving innovation in building efficiency and structural performance. In this blog, we profile the Top 10 Companies in the Steel Composite Floor Deck Industry—a mix of global steel giants and specialized decking innovators shaping the future of modern construction.

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🔟 1. Tata Steel

Headquarters: Mumbai, Maharashtra, India
Key Offering: Tata Steel ComFlor® Series (Various Profiles)

Tata Steel is one of the world’s leading steel producers and a major player in the composite floor deck market through its ComFlor® brand. Their comprehensive product range includes various profiles designed for different span and load requirements, serving large-scale infrastructure, commercial, and residential projects globally. The company leverages its integrated steel manufacturing to ensure quality and supply chain reliability.

Innovation & Sustainability Initiatives:

• Development of high-strength, lightweight deck profiles for optimized material usage

• Commitment to sustainable manufacturing and the use of recycled steel content

• Extensive technical support and design software for engineers and contractors

Download FREE Sample Report: Steel Composite Floor Deck Market – View in Detailed Research Report

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9️⃣ 2. Kingspan Group

Headquarters: Kingscourt, County Cavan, Ireland
Key Offering: KingSpan Composite Deck, Integrated Building Envelope Solutions

Kingspan is a global leader in high-performance insulation and building envelopes, with a strong presence in composite floor decking. Their solutions are known for quality and are often part of a broader integrated building system. Kingspan focuses on products that contribute to energy-efficient and sustainable construction practices.

Innovation & Sustainability Initiatives:

• Focus on products that contribute to building energy efficiency

• Investment in sustainable product development and circular economy principles

• Global manufacturing and distribution network ensuring wide availability

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8️⃣ 3. Nucor Corporation (Vulcraft)

Headquarters: Charlotte, North Carolina, USA
Key Offering: Vulcraft 3-Wire, 2-Wire, and Hi-Load Composite Deck

Nucor, through its Vulcraft division, is a dominant force in the North American steel deck and joist market. Vulcraft is renowned for its high-quality composite floor decks, which are a staple in commercial and institutional construction across the United States. Their efficient manufacturing processes and extensive distributor network make them a key supplier.

Innovation & Sustainability Initiatives:

• Pioneering electric arc furnace steelmaking, utilizing significant recycled content

• Continuous product development for enhanced load capacities and fire ratings

• Strong focus on customer service and technical support

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7️⃣ 4. ArcelorMittal

Headquarters: Luxembourg City, Luxembourg
Key Offering: ArcelorMittal ComFlor® (Legacy product line post-acquisition)

As the world’s largest steel producer, ArcelorMittal holds a significant position in the construction sector. The company offers a range of solutions for composite construction, providing high-quality steel decking that meets rigorous international standards for major projects worldwide.

Innovation & Sustainability Initiatives:

• Extensive R&D in advanced high-strength steels for construction

• Commitment to carbon-neutral steel production targets (XCarb® initiative)

• Global supply chain capability for multinational construction projects

Download FREE Sample Report: Steel Composite Floor Deck Market – View in Detailed Research Report

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6️⃣ 5. ASC Steel Deck

Headquarters: Rancho Cucamonga, California, USA
Key Offering: Custom and Standard Composite Floor Deck Profiles

ASC Steel Deck is a specialized manufacturer focusing exclusively on steel deck products for the commercial construction industry. Known for its flexibility and ability to produce custom profiles, ASC serves a wide range of projects, from data centers to hospitals, across North America.

Innovation & Sustainability Initiatives:

• Specialization in custom deck solutions for complex project requirements

• Quick turnaround times and responsive customer service

• Use of domestically sourced steel and efficient manufacturing practices

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5️⃣ 6. Verco Decking, Inc.

Headquarters: Phoenix, Arizona, USA
Key Offering: Verco Composite Deck, Formboard, and Cellular Deck

Verco Decking is a leading manufacturer of steel floor, roof, and composite deck systems. The company has built a strong reputation over decades for product quality, reliability, and engineering expertise, making it a preferred choice for demanding commercial and institutional projects.

Innovation & Sustainability Initiatives:

• Manufacturing of cellular composite decks for integrated electrical and data services

• Focus on products that contribute to LEED-certified building projects

• Commitment to American manufacturing and industry standards compliance

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4️⃣ 7. O’Donnell Metal Deck

Headquarters: Dublin, Ireland
Key Offering: O’Donnell Composite Floor Deck Systems

O’Donnell Metal Deck is a prominent manufacturer and supplier in the European market, specializing in steel decking solutions for composite construction. The company is known for its technical proficiency and high-quality products, serving major projects across the UK and Ireland.

Innovation & Sustainability Initiatives:

• Strong focus on technical support and design collaboration with engineers

• Adherence to European quality and safety standards (CE Marking)

• Investment in efficient production technologies

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3️⃣ 8. Structural Metal Decks, Inc.

Headquarters: Buford, Georgia, USA
Key Offering: SMD Composite Deck, Acousti-Deck, Heavy Duty Deck

Structural Metal Decks (SMD) is a key player in the US market, manufacturing a wide array of steel deck profiles. The company is recognized for its product diversity and ability to meet specific project needs, from standard commercial buildings to specialized industrial applications.

Innovation & Sustainability Initiatives:

• Production of specialized decks like acoustic decking for sound control

• Focus on durable, long-lasting products that reduce lifecycle costs

• Strategic locations to efficiently serve the Southeastern US market

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2️⃣ 9. Marlyn Steel Decks, Inc.

Headquarters: Lima, Ohio, USA
Key Offering: Marlyn Composite Floor Deck, Cell-Deck, Hi-Bond Deck

Marlyn Steel Decks is a longstanding manufacturer with a reputation for quality and service in the North American construction industry. The company produces a variety of deck profiles and is known for its reliable products and strong customer relationships.

Innovation & Sustainability Initiatives:

• Manufacturing of cell deck for easy integration of building services

• Commitment to consistent quality and on-time delivery

• Support for sustainable construction practices through durable product design

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1️⃣ 10. D-MAC Industries

Headquarters: Acheson, Alberta, Canada
Key Offering: Custom Fabricated Steel Decking

D-MAC Industries is a leading Canadian manufacturer of steel decking, serving the commercial, industrial, and institutional construction markets. The company prides itself on its custom fabrication capabilities and its ability to deliver solutions for complex architectural and engineering requirements.

Innovation & Sustainability Initiatives:

• Expertise in custom and specialty deck profiles for unique project needs

• Focus on the Canadian market with understanding of local codes and climates

• Use of high-quality materials and precise manufacturing techniques

Get Full Report Here: Steel Composite Floor Deck Market – View in Detailed Research Report

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🏗️ Outlook: The Future of Steel Composite Floor Decks Is Smarter and More Sustainable

The steel composite floor deck market is undergoing a significant transformation. While traditional decking remains the backbone of steel frame construction, the industry is increasingly focused on digital integration, sustainability, and enhanced performance.

📈 Key Trends Shaping the Market:

• Rise of Building Information Modeling (BIM) for precise design, fabrication, and installation

• Growing demand for cellular and plenum decks that integrate MEP services seamlessly

• Increased use of high-strength steels allowing for longer spans and material reduction

• Expansion into residential construction, particularly for mid- and high-rise apartments

Get Full Report Here: Steel Composite Floor Deck Market – View in Detailed Research Report

The companies listed above are not only supplying essential building components—they’re engineering the efficient and resilient structures of tomorrow.