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, pre-fabricated shearwalls, and truss plates. The SST anchor product line offers adhesives, chemicals, mechanical anchors, carbide drill bits and powder actuated tools for concrete, masonry and steel and, a line of concrete repair products and engineered materials for the repair, strengthening and restoration of asphalt and masonry construction. SST offers fasteners, fastening systems and collated screws for various construction applications through the Quik Drive product line and a line of stainless steel fasteners. It operates in three segments consisting of the North American, European and Asia/Pacific segments. On January 9, 2012, the Company acquired S&P Clever Reinforcement Company AG and S&P Reinforcement International AG (collectively S&P Clever).