Are You Looking for Door & Window Companies in South Elgin, IL?

Cat I Manufacturing is a precision glass fabrication company specializing in custom CNC machining, chemical strengthening, and clean room processing for industries including aerospace, medical, and military. With over 50 years of combined experience and ISO 9001 certification, we deliver high-quality glass components using in-house engineered equipment and a 700+ material inventory. Our collaborative, engineer-driven approach ensures cost-effective solutions and rapid turnaround times for prototypes or mass production.