Simpson Manufacturing Co., Inc., through its subsidiary, Simpson Strong-Tie Company Inc. (SST), designs, engineers and is a manufacturer of wood-to-wood, wood-to-concrete and wood-to-masonry connectors, fasteners and fastening systems, and pre-fabricated shearwalls. SST Anchor Systems offers a full line of adhesives, mechanical anchors, carbide drill bits and powder actuated tools for concrete, masonry and steel. The Company has three operating segments: North American, European and Asia/Pacific. The North American segment includes operations primarily in the United States and Canada. The European segment includes operations primarily in France, the United Kingdom, Germany and Denmark. The Asia/Pacific segment includes operations primarily in China, Hong Kong, Australia and the Middle East. On August 31, 2010, it sold Simpson Dura-Vent Company, Inc. (Simpson Dura-Vent) pursuant to an agreement dated June 30, 2010, with M&G Holding B.V. and M&G Dura-Vent, Inc. (M&G).