Perkin Elmer is an international chemical and medical technology company headquartered in the United States. Perkin Elmer owns the HPLC columns of the Brownlee brand, which are available with various modifications and particle technologies. Since the acquisition in 2021 Perkin-Elmer widened its HPLC- and SFC chromatography column portfolio significantly. Brands like Epic™, GreenSep™, ChromegaChiral™ and Chromegabond® are now available through Perkin-Elmer.