Janler is a Chicago-based plastic engineering and mold-making company founded in 1952 by Josef F. Klingler, a pioneer in the field of plastic mold making who developed the world’s first unscrewing stack mold in 1988. Under the direction of Carol Klingler Ebel, who has served as Janler's president since 1989, Janler continues to set new standards for mold-making excellence.

For more than six decades, Janler engineering teams have been building multi-cavity molds to exacting tolerances, providing the critical structural foundation for leading manufacturing companies to produce:

• Thousands of medical devices requiring high levels of precision and accuracy
• Tens of thousands of personal care products for the consumer packaging industry
• Hundreds of thousands of nutritional solutions and disposable pharmaceutical products for global healthcare markets
• Millions of electronic devices and container products
• Billions of plastic closures for global liquid-packaging markets