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SIMPSON MANUFACTURING CO., INC.

SSD · NEW YORK STOCK EXCHANGE INC.

Prefabricated Wood Building Manufacturing · US

Simpson Manufacturing Co., Inc., headquartered in Pleasanton, California, through its subsidiary, Simpson Strong-Tie Company Inc., designs, engineers and is a leading manufacturer of wood construction products, including connectors, truss plates, fastening systems, fasteners and shearwalls, and concrete construction products, including adhesives, specialty chemicals, mechanical anchors, powder actuated tools and reinforcing fiber materials.