Today, we proudly celebrate QCC’s 75th Anniversary

Established in 1951, QCC was built on a foundation of hard work, quality craftsmanship, and an unwavering commitment to serving our customers. What began as a single operation has grown into five manufacturing facilities, all located near our original home in Harwood Heights, Illinois.

Over the past 75 years, we have continually evolved to meet the changing needs of the industries we serve. Today, QCC is a trusted manufacturing services provider specializing in the precision machining, assembly, and testing of complex, critical components for customers across a diverse range of markets. At the same time, we remain committed to supporting our customers through our legacy parts business, providing continued manufacturing and supply of critical components that help extend the life of essential equipment and systems.

Reaching this milestone is a testament to the dedication of our employees, the trust of our customers, the support of our suppliers, and the enduring partnerships we have built over generations.

As we celebrate this remarkable anniversary, we honor the legacy that brought us here while remaining focused on the future and continuing our tradition of manufacturing excellence and investing in the people, capabilities, and relationships that will drive the next 75 years.

Thank you to everyone who has been part of the QCC story. We are proud of what we have accomplished together, and we look forward to building the future with the same commitment to quality and service that has defined us since 1951.
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