Vacuum technology, diaphragm, rotary vane, piston, and scroll pumps for laboratory, industrial, and life-sciences applications, is the field Welch Vacuum leads as a global leader, serving pharmaceutical, chemical, and research-lab customers. Founded in 1880 and headquartered in Niles, Illinois, with operations in Ahmedabad, Gujarat, and part of Gardner Denver since 2007, and certified to ISO 9001:2015, it operates worldwide, with facilities in Germany, China, and Singapore, and is a trusted OEM partner.