The Kurt J. Lesker Company (KJLC), headquartered in Pittsburgh, is a global manufacturer of scientific vacuum equipment that Enables Technology for a Better World. Guided by our SPIRIT values, we support initiatives that promote creativity, cultural enrichment, sustainability, and community engagement. We believe strong communities, a vibrant arts culture, and a commitment to sustainable growth help inspire innovation and create lasting positive impact in the places where we live and work.

Our chairman, Jack, has been a proud Pittsburgh Symphony Orchestra season ticket holder and patron since the 1950s. For generations, our family has valued the exceptional music and musicians who make the PSO a cornerstone of Pittsburgh’s cultural life. Jack was part of the family business when it was founded in 1952. In honor of Kerr’s 75th anniversary, we proudly support our world-class symphony and share the deep roots and commitment to excellence in our city.