Historical stock prices for Cooper Industries Plc. (CBE). Cooper Industries plc (Cooper) is a global manufacturer of electrical components and tools. The Company operates in two segments: Energy and Safety Solutions and Electrical Products Group. Cooper manufactures, markets and sells its products and provides services worldwide. The Company serves four markets: the industrial, commercial, utility and residential markets. Cooper also serves the electronics and telecommunications markets. Markets for Cooper's products and services are worldwide, though the United States is the primary market. As of December 31, 2011, Cooper had manufacturing facilities in 23 countries. Operations in the United States are conducted by wholly owned subsidiaries of Cooper. In July 2011, the Company acquired Martek Power. In June 2012, Cargill, Incorporated purchased the global Envirotemp FR3 fluid business and brand from Milwaukee-based Cooper Power Systems, a subsidiary of the Company.