
Company overview
Introduction
Cooling Source, Inc. (CSI) is a vertically integrated thermal management and precision manufacturing company specializing in the design, engineering, and production of high-performance metal components for demanding global industries including defense, aerospace, medical, telecom, EV, and industrial applications
Our capabilities are organized into four core divisions:
Thermal Solutions (heatsinks, cold plates, heat pipes, vapor chambers), CNC Precision Machining, Engineering Design Support, and Value-Added Assemblies—enabling us to deliver end-to-end solutions from concept through full-scale production.
At Cooling Source, we combine advanced engineering methodologies, in-house testing, and vertically integrated manufacturing to ensure performance, reliability, and consistency. Our ability to deliver rapid prototyping, seamless production ramp-up, and globally competitive manufacturing—supported by U.S. and Asia operations—positions us as a trusted partner for complex thermal and mechanical challenges.
We are committed to engineering excellence, quality, and customer responsiveness, providing solutions that meet the highest standards for performance-critical applications.
“I had found my place. With the smouldering mix of volcanoes, beaches, and icebergs, the Arctic Circle is where regained my voice. “
Manufacturing:
Cooling Source, Inc. (CSI) delivers high-performance thermal management and precision manufacturing solutions through a vertically integrated model combining U.S.-based manufacturing and global production capabilities. Our Livermore, California facility supports ITAR-sensitive and defense-grade programs, ensuring confidentiality, compliance, and controlled manufacturing environments for mission-critical applications
We specialize in the production of heatsinks, liquid cold plates, heat pipe assemblies, vapor chambers, and precision CNC machined components, supported by a wide range of advanced manufacturing processes including extrusions, skiving, die casting, cold forging, bonded fin, folded fin, and high-density fin technologies designed to maximize heat transfer performance.
Our engineering-driven approach enables rapid prototyping, design optimization, and seamless transition to full-scale production, delivering consistent quality, competitive pricing, and reliable lead times. Every project is supported by rigorous quality control systems and in-process inspection protocols to ensure repeatability and performance.
Cooling Source is ISO 9001:2015 certified, and all products are RoHS compliant. We adhere to responsible sourcing standards, including conflict-free smelter programs, ensuring full transparency across our supply chain.
At CSI, we are committed to manufacturing excellence, engineering precision, and customer satisfaction, providing solutions that meet the highest standards across defense, aerospace, medical, telecom, EV, and industrial markets.
Quality
Every Cooling Source employee is rigorously trained and then certified. Our stimulating working environment and generous employee benefits help us retain highly qualified staff. Therefore, allowing us to keep turnover low and production quality high.
Each of our customers has a unique and specific need. Therefore, we commit to you from the initial thermal analysis to the mechanical design. Subsequently, review through timely from rapid prototyping to production manufacturing. Our goal is to meet your company’s needs in a cost-effective and timely manner from start to finish. In addition, since we own our manufacturing plants, we maintain complete control of your product from its inception to its completion.
Customer Service
We also pride ourselves on the quality of our after-market service. Our attention to all aspects of heatsink, CNC Machining manufacturing and assembly makes our products cost globally competitive. Also, we offer worldwide local support for any thermal management requirement, including post-production issues that you may have. CSI is an innovative and dynamic company that will work hard for your business today and tomorrow. Thank you for visiting our website. I can personally promise that we will provide you with high-quality, cost-effective electro mechanical products. Furthermore, we will work hard to meet your thermal needs in every way possible.
CSI Core Competencies
We provide end-to-end support, thermal design manufacturing, quality, and services.
- Design Flexibility
- Cost Effective Manufacturing
- Engineering Support
- Quality Control 5. Supply Chain
- Management 6. Global Support
Looking To The Future
I believe that the strength of our team, our values, our ability to grow alongside our customers, and our ease to adapt to ever-changing needs consistently are what make us a great partner for our customers. We are in a healthy position now and the future looks bright at Cooling Source. This is why I am proud to be on this team. Read more…
Michel Gelinas
President & CEO
