Simpson Manufacturing Co., Inc. entered the connector business in 1956. Today, it is a growing international company in the manufacture and marketing of building products.
Through our subsidiary, Simpson Strong-Tie Company, Inc., we design, engineer, and manufacture structural connectors, anchors, and other products for new construction, retrofitting, and do-it-yourself (DIY) markets. Today, Simpson Strong-Tie is the leading structural connector manufacturer in the United States and Europe.
Our other subsidiary, Simpson Dura-Vent Company, Inc., designs and manufactures venting systems for gas and wood-burning appliances.
