Simpson Strong-Tie, a producer of engineered structural connectors and building solutions, has acquired Canada-based Calculated Structured Designs (CSD), a software development company providing solutions for the engineered wood, engineering, design and building industries for North America, Australia, and the United Kingdom. CSD is committed to creating state-of-the-art software solutions for architects, designers, engineers, and builders, selling and distributing its iStruct products across the United States, Canada, Australia, and the United Kingdom. …Noah Daniels, VP market development said, “CSD has been a longtime partner of Simpson Strong-Tie. We’re pleased to welcome CSD as the newest member of the Simpson Strong-Tie family.”