Merck KGaA is a Germany-based company engaged in the pharmaceutical industry. The Company operates through four business segments: Merck Serono; Consumer Health; Merck Millipore, and Performance Materials. Within the Merck Serono division, the Company focuses on therapeutic areas and prescription drugs of chemical and biotechnological origin. The Consumer Health division comprises the over-the-counter products for preventive health care and self-treatment of minor ailments. The Merck Serono and Consumer Health divisions form together the Company's Pharmaceutical business sector. The Merck Millipore division comprises the activities of the Millipore Corporation. The Performance Materials division consists mainly of the Liquid Crystals and Pigments & Cosmetics business units. The Company operates through numerous subsidiaries, including Peer+ BV, AZ Electronic Materials (AZ), BioControl Systems Inc and Ormet Circuits Inc., a material supplier for the semiconductor industry.