Merck KGaA
 Merck KGaA (d.b.a. EMD Millipore in the U.S. and Canada) is a German chemical and pharmaceutical company. Merck also known as “German Merck” and “Merck Darmstadt” was founded in Darmstadt Germany in 1668 making it the world's oldest operating chemical and pharmaceutical company. The company was privately owned until going public in 1995.