Top 10 Companies in the Aerospace Structural Core Materials Market (2025): Industry Leaders Building the Future of Flight

In Business Insights
December 22, 2025


The Global Aerospace Structural Core Materials Market is on a significant growth trajectory, valued at an estimated USD 1.45 Billion in 2024 and projected to reach USD 2.15 Billion by 2030, expanding at a Compound Annual Growth Rate (CAGR) of approximately 6.8% during the forecast period (2024–2030). This robust expansion is primarily fueled by the rising production rates of next-generation commercial aircraft, increased demand for lightweight and fuel-efficient airframes, and the accelerating adoption of advanced composite materials in both the commercial and defense aviation sectors.

As modern aircraft designs increasingly rely on composite sandwich structures for wings, fuselages, and interiors to achieve superior strength-to-weight ratios, the role of core materials has become more critical than ever. These materials—including honeycomb, foam, and balsa—are the essential lightweight center layer that provides rigidity and stability to composite panels. In this blog, we profile the Top 10 Companies in the Aerospace Structural Core Materials Industry—a group of advanced material specialists and composite innovators who are engineering the backbone of tomorrow’s aircraft.


🔟 1. Hexcel Corporation

Headquarters: Stamford, Connecticut, USA
Key Offering: HexWeb® Honeycomb (Aluminum, Aramid, Thermoplastic), High-Performance Composites

Hexcel is a global leader in advanced composites, renowned for its extensive portfolio of aerospace-grade honeycomb core materials. Its HexWeb® honeycomb products are used in primary and secondary aircraft structures, including floor panels, radomes, and engine nacelles, by major OEMs like Airbus and Boeing.

Innovation & Sustainability Initiatives:

  • Development of sustainable honeycomb solutions using recycled content

  • Strategic focus on thermoplastic honeycombs for recyclability

  • Investment in R&D for next-generation, lightweight core architectures

Download FREE Sample Report: Aerospace Structural Core Materials Market – View in Detailed Research Report


9️⃣ 2. 3A Composites

Headquarters: Sins, Switzerland
Key Offering: Airex® Foam, Baltek® Balsa, Alucore® and Fibertech® Honeycomb

3A Composites Core Materials is a dominant force, offering a diverse range of core solutions. Its Airex® foam and Baltek® balsa wood cores are industry standards for interior panels, fairings, and marine applications, while its honeycomb products serve demanding aerospace structural applications.

Innovation & Sustainability Initiatives:

  • Bio-based and recycled PET foam development under the Airex® brand

  • Sustainable sourcing programs for balsa wood


8️⃣ 3. Diab Group (Ratos)

Headquarters: Laholm, Sweden
Key Offering: Divinycell® PVC Foam, ProBalsa™

Diab is a leading manufacturer of structural core materials, with its Divinycell® PVC foam widely recognized for its excellent mechanical properties and fire performance. The company serves the aerospace industry with solutions for interiors, flooring, and secondary structures.

Innovation & Sustainability Initiatives:

  • Development of fire-retardant and high-temperature foam grades

  • Focus on reducing the environmental footprint of foam production processes


7️⃣ 4. SABIC

Headquarters: Riyadh, Saudi Arabia
Key Offering: ULTEM™ Foam, LNP™ Thermocomp Compounds

SABIC brings its extensive polymer expertise to the aerospace core materials market with high-performance thermoplastic foams like ULTEM™. These materials offer advantages in recyclability, chemical resistance, and FST (Fire, Smoke, Toxicity) performance for aircraft interiors.

Innovation & Sustainability Initiatives:

  • Promoting circular economy through thermoplastic recyclable solutions

  • Investment in bio-based and certified renewable feedstock

Download FREE Sample Report: Aerospace Structural Core Materials Market – View in Detailed Research Report


6️⃣ 5. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: ROHACELL® PMI (Polymethacrylimide) Rigid Foam

Evonik is the world’s leading producer of ROHACELL® PMI foam, a high-performance core material designed for the most demanding applications. It is extensively used in helicopter rotor blades, satellite structures, and primary aerospace components due to its high strength and thermal stability.

Innovation & Sustainability Initiatives:

  • Continuous development of ultra-high-performance foam grades

  • Initiatives to enhance production efficiency and reduce energy consumption


5️⃣ 6. Plascore, Inc.

Headquarters: Zeeland, Michigan, USA
Key Offering: Aluminum Honeycomb, Polypropylene Honeycomb, Honeycomb Panels

Plascore is a specialized manufacturer of honeycomb core materials, supplying a wide range of aerospace and defense customers. The company is known for its custom-engineered solutions and its expertise in both metallic and non-metallic honeycombs.

Innovation & Sustainability Initiatives:

  • Expansion into recyclable thermoplastic honeycomb cores

  • Advanced manufacturing techniques for complex core shapes


4️⃣ 7. The Gill Corporation

Headquarters: El Monte, California, USA
Key Offering: Fiberglass Honeycomb, Aluminum Honeycomb, Composite Panels

With a long history in composites, The Gill Corporation is a key US-based supplier of honeycomb core materials. It provides critical components for military aircraft, commercial jets, and space applications, emphasizing high strength and durability.

Innovation & Sustainability Initiatives:

  • Focus on proprietary manufacturing processes for enhanced core performance

  • Supplying core materials for next-generation unmanned aerial vehicles (UAVs)


3️⃣ 8. Euro-Composites S.A.

Headquarters: Junglinster, Luxembourg
Key Offering: Aramid Paper Honeycomb (Nomex®-type)

Euro-Composites is a major European producer specializing in aramid fiber honeycomb core, widely used for aircraft interior panels, galleys, and partitions. The company’s products are known for their excellent fire resistance and lightweight properties.

Innovation & Sustainability Initiatives:

  • Development of eco-friendly phenolic resins for honeycomb bonding

  • Adherence to stringent aerospace environmental management standards


2️⃣ 9. Gurit Holding AG

Headquarters: Wattwil, Switzerland
Key Offering: PET Foams (e.g., Kerdyn®), Balsa, Specialty Core Materials

Gurit is a leading supplier of composite materials, including a comprehensive range of core products. Its PET foams are gaining traction as sustainable alternatives to traditional PVC foams, particularly in marine and wind energy, with growing aerospace applications.

Innovation & Sustainability Initiatives:

  • Pioneering the use of recyclable PET foam cores in aerospace

  • Focus on lightweighting solutions for improved fuel efficiency


1️⃣ 10. Changzhou Tiansheng New Materials Co., Ltd.

Headquarters: Changzhou, China
Key Offering: PVC Foam, PET Foam, Balsa Core

As a prominent Asian manufacturer, Changzhou Tiansheng is expanding its footprint in the global aerospace core materials market. It offers cost-competitive foam and balsa cores, catering to the growing aviation industry supply chain in the Asia-Pacific region.

Innovation & Sustainability Initiatives:

  • Increasing production capacity for aerospace-grade PET foams

  • Investing in R&D to meet international aerospace quality standards

Get Full Report Here: Aerospace Structural Core Materials Market – View in Detailed Research Report


✈️ Outlook: The Future of Aerospace Structural Core Materials Is Lighter and Smarter

The aerospace structural core materials market is undergoing a transformative phase, driven by the dual imperatives of performance and sustainability. While traditional honeycomb and foam cores continue to dominate, the industry is intensely focused on developing lighter, stronger, and more environmentally friendly alternatives to meet the demands of next-generation aircraft programs.

📈 Key Trends Shaping the Market:

  • Rapid adoption of thermoplastic honeycombs and foams for recyclability and faster processing

  • Increasing use of bio-derived and recycled content in core materials to meet sustainability targets

  • Growth in demand for fire-resistant cores with superior FST properties for cabin interiors

  • Expansion of the Asia-Pacific supply chain to support growing aircraft production in the region

Get Full Report Here: Aerospace Structural Core Materials Market – View in Detailed Research Report

The companies profiled above are not merely suppliers; they are strategic enablers of aviation innovation, providing the essential materials that make modern, efficient, and sustainable flight possible.