Fiberglass entry and patio door manufacturer serving building professionals
Therma-Tru manufactures fiberglass entry doors and patio systems for builders and contractors. The company runs a capital-intensive operation — MES, robotics (Fanuc), and CMMS systems dominate the stack — with active focus on machinery optimization and preventive maintenance. Hiring is manufacturing-heavy and accelerating, concentrated in the US and Mexico, signaling capacity expansion or modernization of production lines.
Therma-Tru is a public company and the leading fiberglass entry door manufacturer in North America, serving builders, contractors, and building professionals. Founded in 1962, the company pioneered fiberglass entry doors and now offers a complete portfolio including decorative glass, sidelites, transoms, and door components. Headquartered in Deerfield, Illinois with approximately 1,000–5,000 employees, Therma-Tru operates manufacturing-centric operations across the US and Mexico. Current initiatives center on machinery modernization, supply chain efficiency, inventory optimization, and margin improvement through cost reduction and equipment availability programs.
Therma-Tru uses MES (manufacturing execution systems), Fanuc Robotics, Allen-Bradley controls, and CMMS (computerized maintenance management) for production operations, alongside CAD tools (AutoCAD, Solid Edge) for design and specification.
Therma-Tru actively hires in the United States and Mexico, indicating production and operational presence in both countries.
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