Avantor Performance Materials, a high-performance materials and chemical manufacturer, signed a 10-year lease with The Garibaldi Group/CORFAC International. The lease is for 57,000 square feet of office space at Saucon Valley Plaza, located at 3477 Corporate Parkway in Center Valley, PA. Avantor had outgrown its current location at 222 Red School Lane where it currently occupied 30,800 square feet.