About Us

As a leading global provider of high-quality vacuum products and systems, along with an established tradition of service and attention to detail, the Kurt J. Lesker Company^® (KJLC^®) has built a reputation for being "All Things Vacuum."

The common attribute across the entire company is the relentless and tireless pursuit of quality and customer satisfaction, both in the vacuum products and the services we provide worldwide. KJLC^® takes this responsibility seriously, working at all levels to ensure high quality performance in all our products.

Division Overview

The Vacuum Mart Division^™ has been delivering quality vacuum products to our customers for decades. With more than 14,000 different components for every type of vacuum environment, the Kurt J. Lesker Company^®(KJLC^®) provides the very building blocks of the industry. We maintain the largest inventory of vacuum products available anywhere, so no matter the need, finding your part at KJLC^® is a simple, straight forward process from start to finish. KJLC^® has the most comprehensive inventory in the industry strategically located in our global distribution centers, providing the benefit of “buying locally” from a global supplier. Let us provide streamlined solutions to your complex supply chain and logistic issues.

Specifically, Lesker offers the widest selection of internationally compatible flanged components, feedthroughs, valves, and components, along with a wide range of vacuum pumps, gauging, and vacuum fluids, from leading manufacturers (including KJLC^®).

Division Overview

Materials, more than any other product, are directly incorporated into the end product or result for our customers, with that in mind the Materials Division^™ focuses on quality and performance as our primary responsibility. From the detailed inspection of our targets to the careful packaging regulations that ensure repeatable and expected results, KJLC^® is poised to be your partner for all materials needs.
Specifically, our ISO 9001:2008-certified Materials Division^™ carries hundreds of pure materials, evaporation sources, and crucible liners for use in both thermal and E-beam evaporation, as well as sputter deposition processes. We offer pure elements, compounds, alloys, ceramics, intermetallics, and mixtures in a variety of shapes, sizes, and purities for R&D applications. In addition, our sputter target bonding and precious metals reclamation services save our customers time and money. The Materials Division^™ is always ensuring your standards are met by meeting our own quality demands.

Division Overview

The experienced engineers and designers of the Process Equipment Division^™ help lead the development of products, systems, and services to meet the ever-evolving demands of vacuum customers in advanced research and industrial positions around the world. Operating from a mindset dedicated to making our customers’ lives easier, more productive, and more successful, the Process Equipment Division^™ offers custom vacuum system solutions – a legacy of fresh thinking that expands KJLC^®’s scope of products to all production and research projects.
Specifically, the Process Equipment Division^™ remains a leader in the manufacture of fully integrated vacuum systems. We offer single-chamber deposition systems or cluster tools with robotic transfer for either production or research applications. Extensive knowledge of process, application, mechanical, electrical, and software engineering help KJLC^® to be your primary supplier of capital equipment solutions.

Division Overview

The Manufacturing Division^™ was established 25 years ago as the engineering, machining, welding, clean assembly and test division of Kurt J. Lesker Company^®. The division specializes in fabrication of stainless steel and aluminum products for vacuum related applications.

The Manufacturing Division^™ serves many markets and industries, including Vacuum Science, Photovoltaics, Defense, Semiconductor, Nuclear, Automotive, Aerospace, and R&D.

KJLC^®'s commitment to quality is shown through our ISO 9001:2008 certification and adherence to security and confidentiality through compliance with ITAR (International Traffic in Arms Regulations).

PED Service and Support

The Process Equipment Division^®(PED) Global Service Department consists of dedicated, experienced personnel who strive to provide world class customer service. This support along with our other available services, allows KJLC to provide valuable services to our customers.