Top 10 Companies in the Thermal Interface Gap Filler Industry (2025): Market Leaders Driving Thermal Management Innovation

In Business Insights
August 31, 2025

The Global Thermal Interface Gap Filler Market was valued at USD 1.2 Billion in 2023 and is projected to reach USD 1.8 Billion by 2028, growing at a Compound Annual Growth Rate (CAGR) of 7.5% during the forecast period (2023-2028). This growth is propelled by increasing demand for advanced thermal management solutions in electronics, automotive applications, and energy storage systems, along with the rising adoption of high-performance computing devices.

As industries push for greater efficiency and miniaturization of electronic components, the need for effective thermal interface materials has never been more critical. In this blog, we highlight the Top 10 Companies in the Thermal Interface Gap Filler Industry—global leaders developing innovative solutions to address complex thermal challenges across various sectors.


🔟 1. 3M Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: 3M™ Thermally Conductive Gap Filler Series

3M is a pioneer in thermal management solutions, offering a wide range of gap filler products known for their reliability and high thermal conductivity. Their materials are extensively used in automotive electronics, data centers, and telecommunications equipment.

Innovation Highlights:

  • Patented boron nitride technology for enhanced thermal conductivity
  • Custom-formulated materials for specific industry requirements
  • Global R&D facilities focused on next-gen thermal solutions

Download FREE Sample Report: Thermal Interface Gap Filler Market – View in Detailed Research Report


9️⃣ 2. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: Loctite® Thermal Gap Filler Solutions

Henkel’s thermal management portfolio includes high-performance gap fillers that bridge air gaps between heat-generating components and heat sinks. Their solutions are widely adopted in electric vehicles and 5G infrastructure.

Innovation Highlights:

  • Phase-change materials for optimized thermal performance
  • Silicone-free formulations for automotive applications
  • Global technical support network for application-specific solutions

8️⃣ 3. Honeywell International Inc.

Headquarters: Charlotte, North Carolina, USA
Key Offering: Honeywell PTM Thermal Interface Materials

Honeywell’s gap filler solutions excel in applications where high thermal conductivity and low thermal resistance are critical, particularly in aerospace, defense, and industrial electronics.

Innovation Highlights:

  • Phase-change thermal interface materials with exceptional performance
  • Materials designed for extreme temperature environments
  • Compliance with aerospace and military standards

7️⃣ 4. Parker Hannifin Corporation

Headquarters: Cleveland, Ohio, USA
Key Offering: Chomerics® Thermally Conductive Gap Fillers

Parker’s Chomerics division provides customized thermal interface solutions, including electrically insulating gap fillers for sensitive electronic applications across multiple industries.

Innovation Highlights:

  • Wide range of thermal conductivities from 0.5 to 12 W/mK
  • Materials with UL, REACH, and RoHS compliance
  • Excellent compression and recovery properties

Download FREE Sample Report: Thermal Interface Gap Filler Market – View in Detailed Research Report


6️⃣ 5. Dow Corning Corporation

Headquarters: Midland, Michigan, USA
Key Offering: Dow Corning® TC Thermal Interface Materials

Now part of Dow Inc., Dow Corning continues to lead in silicone-based thermal interface materials, offering gap fillers with excellent stability and performance consistency over time.

Innovation Highlights:

  • Silicone-based formulations with high thermal conductivity
  • Products designed for automated dispensing applications
  • Materials with low stress on delicate components

5️⃣ 6. Laird Technologies

Headquarters: Chesterfield, Missouri, USA
Key Offering: Tflex™ Thermal Gap Fillers

Laird Technologies provides a comprehensive portfolio of thermal interface materials, including its renowned Tflex gap filler series used extensively in automotive electronics and telecommunications.

Innovation Highlights:

  • Elastomeric gap fillers with high thermal conductivity
  • Materials featuring excellent conformability
  • Solutions for high-vibration environments

4️⃣ 7. Momentive Performance Materials

Headquarters: Waterford, New York, USA
Key Offering: Silicones and Advanced Materials for Thermal Management

Momentive develops silicone-based thermal gap fillers that offer excellent thermal transfer and electrical isolation properties for demanding applications.

Innovation Highlights:

  • High-performance silicone formulations
  • Materials suitable for high-volume production
  • Solutions for LED lighting and power electronics

3️⃣ 8. Bergquist Company

Headquarters: Chanhassen, Minnesota, USA
Key Offering: Hi-Flow™ Thermal Gap Fillers

Bergquist specializes in thermal management materials for the electronics industry, with gap fillers that provide superior performance in high-power applications.

Innovation Highlights:

  • Thermal putty and pad solutions
  • Materials with ultra-low thermal resistance
  • Custom formulations for specific customer needs

2️⃣ 9. Indium Corporation

Headquarters: Clinton, New York, USA
Key Offering: Indium® Thermal Interface Materials

Indium Corporation provides advanced thermal interface solutions, including high-performance gap fillers that address the challenges of modern electronic packaging.

Innovation Highlights:

  • Metal-based and polymer-based thermal materials
  • High thermal conductivity formulations
  • Solutions for power semiconductor applications

Download FREE Sample Report: Thermal Interface Gap Filler Market – View in Detailed Research Report


1️⃣ 10. Wakefield-Vette

Headquarters: Pelham, New Hampshire, USA
Key Offering: Arctic® Thermal Interface Materials

Wakefield-Vette manufactures thermal management solutions including high-performance gap fillers used in data center cooling systems and power electronics.

Innovation Highlights:

  • Gap fillers with thermal conductivities up to 8 W/mK
  • Silicone and non-silicone based formulations
  • Materials compliant with international regulations

Get Full Report Here: Thermal Interface Gap Filler Market – View in Detailed Research Report


🌍 Outlook: The Future of Thermal Interface Gap Fillers

The thermal interface gap filler market is experiencing transformative growth as industries demand more efficient thermal management solutions. With increasing power densities in electronics and the rapid adoption of electric vehicles, the need for advanced gap filler materials is more critical than ever.

📈 Key Trends Shaping the Market:

  • Development of ultra-high thermal conductivity materials exceeding 10 W/mK
  • Growing demand for gap fillers in electric vehicle battery systems
  • Increased adoption in 5G infrastructure and data center applications
  • Focus on sustainable and environmentally friendly formulations

Get Full Report Here: Thermal Interface Gap Filler Market – View in Detailed Research Report

The companies profiled above are at the forefront of thermal management innovation, developing materials that enable smaller, more powerful, and more reliable electronic systems across industries.