Member Spotlight: ZELTWANGER USA - Bringing Innovations to Life

At ZELTWANGER USA, we deliver cutting-edge technical solutions that help manufacturers bring their innovations to life. Based in Charleston, SC, we specialize in precision manufacturing and leak testing technologies. As part of the ZELTWANGER Group, headquartered in Tuebingen, Germany, we combine global expertise with local support to provide precision-engineered solutions.

ZELTWANGER Leak Testing & Automation is a leading provider of leak testing technology, ensuring the quality of components and products. Our portfolio includes leak testing devices, test stations, and automated systems. Beyond technology, we offer consultation, service solutions, and support from prototype validation to large-scale production.

Through ZELTWANGER CNC Manufacturing, we provide high-precision machining and assembly services, from prototypes to series production, with tight tolerances down to 0.005 mm.

In 2025, ZELTWANGER USA is thrilled to announce our relocation to a state-of-the-art facility, more than doubling our operational space. This strategic expansion is designed to significantly enhance our manufacturing capabilities, better serve our growing customer base, and create new job opportunities within our community. Our move underscores our unwavering commitment to fostering local value creation in the U.S., ensuring we provide even more flexible and responsive customer support. Join us on this exciting journey as we continue to innovate and lead in the industry!

As a purpose-driven company, we support future-relevant technologies that help customers bring sustainable innovations to market—such as fuel cells, battery systems, and their components.