Simpson Manufacturing Co., Inc. manufactures and markets building and construction solutions. It offers wood construction products which include connectors, truss plates, fastening systems, and lateral systems primarily used to strengthen, support, and connect wood applications in residential and commercial construction, as well as do-it-yourself (DIY) projects; and concrete construction products such as anchor; and repair, protection, and strengthening products for concrete, brick and masonry applications in industrial, infrastructure, residential commercial, and DYI projects. The firm operates through the following geographical segments: North America, Europe, and Asia/Pacific. The North America segment covers United States and Canada operations. The Europe segment includes operations primarily in France, the United Kingdom, Germany, Denmark, Switzerland, Portugal, Poland, The Netherlands, Belgium, Sweden, and Norway. The Asia/Pacific segment includes Australia, New Zealand, South Africa, China, Taiwan, and Vietnam. The company was founded by Barclay Simpson in 1956 and is headquartered in Pleasanton, CA.