With over 30 years of experience serving manufacturers of all sizes across a wide range of industries, Thermtrol is well-equipped to meet your wiring harness and custom electrical assembly needs.

Our global partners value Thermtrol’s worldwide presence, which enables cost-effective manufacturing while maintaining the highest quality standards and providing strong local support. We are recognized as a solutions provider, building true partnerships by thoroughly understanding each customer’s application.

Our business philosophy is reflected in everything we do: we strive to exceed customer expectations through world-class quality, outstanding customer service, and expert engineering support — all delivered at competitive prices. This commitment has helped Thermtrol become a benchmark supplier for many of our customers.

Thermtrol Corporation manufactures wire and cable harnesses, thermal protectors, and electrical sub-assemblies. Our global headquarters is located in Northeast Ohio, with manufacturing facilities in both Ohio and Vietnam. All sites are wholly owned, ISO certified, and either TS certified or TS compliant, with IATF certification currently in progress.

Core Capabilities:

• Extensive expertise in cable and harness manufacturing, supporting a wide range of connection types including Sealed Deutsch, Tyco, JST, Yazaki, Molex, and more.
• Advanced manufacturing capabilities such as custom over-molding for sealing and fastening, braiding and tubing for abrasion protection, potting, bayonet connections, ultrasonic welding, and various sub-assembly processes.
• Robust quality systems incorporating Six Sigma methodology, TVR reports, press analyzers, a full BBMX system, and state-of-the-art technical laboratories.
• A diverse customer base across multiple industries, including electronics, appliances, medical devices, agriculture, trucking, automotive, and industrial equipment.
• Sales, engineering, and customer service teams located in both the U.S. and Asia.
• Every wire harness is 100% tested to ensure performance and reliability