PSG offers a unique combination of the both small company atmosphere: with an ownership mindset that allows you to make close-to-the-customer decisions; an innovative approach in seeing beyond what is possible today and entrepreneurial spirit in the pursuit of new opportunities; combined with benefits of a large company's scale, tools, expertise, and financial strength with Dover. Headquartered in Downers Grove, IL, USA, PSG is comprised of several world-class brands, including Abaque, All-Flo, Almatec, Blackmer, Ebsray, em-tec, Griswold, Hydro, Malema, Mouvex, Neptune, PSG Biotech, Quantex, Quattroflow, and Wilden.