The Global Aerospace Wiring Harness Market was valued at USD 2.31 Billion in 2023 and is projected to reach USD 4.1 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 6.5% during the forecast period (2024–2032). This growth is being driven by rising commercial and defense aircraft production, the proliferation of more electric aircraft (MEA), and the need for advanced interconnect solutions in next-generation avionics and communication systems.

As modern aircraft become more sophisticated, integrating complex networks of sensors, controls, and power systems, the wiring harness—the aircraft’s central nervous system—becomes critically important. This intricate assembly of wires, connectors, and terminals ensures the reliable transmission of power and data. In this blog, we profile the Top 10 Companies in the Aerospace Wiring Harness Industry—a mix of global component manufacturers, system integrators, and specialist suppliers shaping the future of aviation connectivity.

Download FREE Sample Report:
Aerospace Wiring Harness Market – View in Detailed Research Report

---

🔟 1. TE Connectivity

Headquarters: Schaffhausen, Switzerland
Key Offering: Comprehensive aerospace harness systems, connectors, and components (e.g., DEUTSCH, AMP connectors).

TE Connectivity is a global industrial technology leader, and its aerospace, defense & marine division is a powerhouse in interconnectivity. The company provides high-reliability wiring harness solutions, advanced connectors, and terminals used in commercial airliners, military jets, and spacecraft. Their product portfolio is designed to withstand extreme environments and rigorous safety standards.

Innovation and Market Focus:

• Pioneering lightweight and high-speed data transmission harnesses.

• Strong focus on More Electric Aircraft (MEA) and electrification support systems.

• Global manufacturing and MRO (Maintenance, Repair, and Overhaul) support network.

---

9️⃣ 2. Collins Aerospace (RTX Corporation)

Headquarters: Charlotte, North Carolina, USA
Key Offering: Integrated wiring systems, harnesses, electrical power systems, and avionics.

As a major player within the RTX ecosystem, Collins Aerospace designs and manufactures complete electrical wiring interconnection systems (EWIS) for the world’s leading airframers. Their solutions are integral to both legacy platforms and next-generation programs, focusing on reducing weight, improving fuel efficiency, and enhancing system integration.

Innovation and Market Focus:

• Development of smart harnesses with integrated health monitoring capabilities.

• Leadership in nacelle and propulsion system wiring solutions.

• Strategic supplier for major OEM programs like Airbus A320/A350 and Boeing 787/777X.

---

8️⃣ 3. Amphenol Aerospace

Headquarters: Sidney, New York, USA
Key Offering: High-performance connectors, backshells, and cable assemblies for harsh environments.

Amphenol Aerospace, a division of Amphenol Corporation, is synonymous with high-reliability interconnect solutions. The company specializes in the connectors and components that form the critical junctions within aerospace wiring harnesses. Their products are ubiquitous across commercial, military, and space applications, known for durability and precision.

Innovation and Market Focus:

• Innovation in fiber optic and high-density connectors for increased bandwidth.

• Extensive investment in R&D for next-generation materials and sealing technologies.

• Key supplier for defense platforms like the F-35 Lightning II.

Download FREE Sample Report:
Aerospace Wiring Harness Market – View in Detailed Research Report

---

7️⃣ 4. Carlisle Interconnect Technologies

Headquarters: Carlisle, Pennsylvania, USA
Key Offering: Engineered wire, cable, harnesses, and interconnect systems.

Carlisle Interconnect Technologies, a subsidiary of Carlisle Companies, provides highly engineered, mission-critical interconnect solutions. The company serves the aerospace, defense, test & measurement, and industrial sectors with a focus on custom, performance-driven wire and cable assemblies designed for specific operational challenges.

Innovation and Market Focus:

• Expertise in high-temperature, fire-resistant wiring for engine and auxiliary power unit (APU) applications.

• Specialization in custom cable design for unique aircraft configurations and retrofit programs.

• Significant presence in the space and satellite market.

---

6️⃣ 5. GKN Aerospace (Melrose Industries)

Headquarters: Redditch, United Kingdom
Key Offering: Aerostructures, engine systems, and electrical wiring systems (EWIS).

GKN Aerospace is a leading multi-technology tier 1 supplier. Its electrical wiring systems business designs, manufactures, and integrates full harness solutions. The company works in close partnership with major OEMs, often taking responsibility for large sections of an aircraft’s electrical backbone, from design through to installation support.

Innovation and Market Focus:

• Investing in automated harness manufacturing (e.g., laser stripping, automated testing) to improve quality and reduce cost.

• Focus on sustainable manufacturing and lightweight composite materials for harness structures.

• Long-term supplier on key programs including the Airbus A220, A330, and A380.

---

5️⃣ 6. Sumitomo Electric Industries, Ltd.

Headquarters: Osaka, Japan
Key Offering: Automotive and aerospace wiring harnesses, optical fibers, and advanced materials.

Sumitomo Electric is a global diversified manufacturer with a formidable presence in the automotive wiring harness market, which translates into strong capabilities for aerospace. The company leverages its expertise in high-volume, high-quality wire production and systems integration to serve the aerospace sector with reliable and cost-effective harness solutions.

Innovation and Market Focus:

• Development of high-voltage harnesses for aircraft electrification and hybrid-electric propulsion.

• Pioneering work in superconducting and lightweight cable technologies.

• Strategic partnerships with Japanese aerospace primes (MHI, Kawasaki) and growing global footprint.

---

4️⃣ 7. Prysmian Group

Headquarters: Milan, Italy
Key Offering: Energy and telecom cables, including specialty cables for aerospace and defense.

Prysmian Group, a world leader in the energy and telecom cable industry, operates a dedicated business unit for aerospace and defense. The company manufacturers a wide range of high-performance, lightweight electrical and fiber optic cables that form the core of complex wiring harnesses used in aircraft, helicopters, and ground support equipment.

Innovation and Market Focus:

• Specialization in cables for extreme conditions (low smoke, zero halogen, high flex life).

• Focus on supplying cable “raw material” to harness integrators and OEMs globally.

• Investment in R&D for next-gen data transmission cables to support in-flight entertainment and connectivity (IFEC).

---

3️⃣ 8. Yazaki Corporation

Headquarters: Tokyo, Japan
Key Offering: Automotive wiring harnesses and components, expanding into aerospace.

Yazaki is a global automotive components giant, primarily known for its dominance in automotive wiring harnesses. The company is strategically expanding its expertise into the aerospace sector, offering harness manufacturing capabilities and leveraging its vast scale, supply chain efficiency, and quality management systems to capture market share.

Innovation and Market Focus:

• Applying automotive-scale manufacturing disciplines to aerospace for efficiency gains.

• Developing compact and lightweight connector technologies suitable for aerospace applications.

• Building partnerships to become a reliable tier-2/ tier-1 supplier for aerospace harnesses.

Download FREE Sample Report:
Aerospace Wiring Harness Market – View in Detailed Research Report

---

2️⃣ 9. Glenair, Inc.

Headquarters: Glendale, California, USA
Key Offering: High-performance circular connectors, conduits, cable assemblies, and wiring accessories.

Glenair is a premier manufacturer of interconnect components specifically engineered for demanding aerospace, military, and industrial environments. While not a full harness integrator, Glenair’s products are essential building blocks for custom harnesses, providing the ruggedized connectors, backshells, and protective conduits that ensure system reliability.

Innovation and Market Focus:

• Leadership in lightweight, composite circular connectors and EMI/RFI shielding solutions.

• Extensive catalog of standard and custom-molded cable assemblies for quick-turn needs.

• Deep expertise in space-qualified and high-vibration interconnect solutions.

---

1️⃣ 10. Nexans

Headquarters: Paris, France
Key Offering: Cable solutions for infrastructure and industries, including aerospace cables.

Nexans, a global leader in advanced cable and optical fiber solutions, serves the aerospace industry through its portfolio of high-performance cables. The company provides the essential wire and cable used in power distribution, control systems, and data networks within aircraft, working closely with harness manufacturers and OEMs to meet stringent specifications.

Innovation and Market Focus:

• Development of halogen-free, flame-retardant cables that meet the latest aviation safety standards (e.g., AS/EN 3475).

• Focus on cables for onboard networks, supporting the increasing digitalization of aircraft.

• Commitment to sustainability through eco-design and recyclable material initiatives.

Get Full Report Here:
Aerospace Wiring Harness Market – View in Detailed Research Report

---

🌍 Outlook: The Future of Aerospace Wiring Harnesses is Smarter and Lighter

The aerospace wiring harness market is undergoing a fundamental transformation. While reliability remains paramount, the focus has shifted to enabling new aircraft architectures. The trend towards More Electric Aircraft (MEA), Urban Air Mobility (UAM), and advanced military platforms demands harnesses that are not just passive conduits but integrated, intelligent systems.

📈 Key Trends Shaping the Market:

• Electrification and High-Voltage Systems: The rise of hybrid-electric and full-electric propulsion requires entirely new harness architectures capable of handling high voltages (up to 1000V) with enhanced safety features.

• Additive Manufacturing and Automation: 3D printing of harness fixtures, connectors, and even cable conduits, combined with robotic wire processing, is reducing weight, cutting production time, and enabling more complex geometries.

• Integrated Vehicle Health Management (IVHM): The development of “smart harnesses” with embedded sensors to monitor temperature, strain, and continuity, allowing for predictive maintenance and reducing aircraft downtime.

• Lightweight Material Innovation: Continuous R&D into lighter insulation materials, composite conductors, and aluminum wiring to reduce overall aircraft weight and improve fuel efficiency.

Get Full Report Here:
Aerospace Wiring Harness Market – View in Detailed Research Report

The companies listed above are not merely supplying components—they are enabling the digital and electric transformation of the global aerospace industry. Their innovations in connectivity are fundamental to building the safer, more efficient, and more connected aircraft of the future.