Preformed Line Products Company, together with its subsidiaries, designs and manufactures products and systems used in the construction and maintenance of overhead and underground networks for the energy, telecommunication, cable operators, data communication, and other industries worldwide. It offers formed wire products and related hardware products to support, protect, terminate, and secure power conductor and communication cables, and to control cable dynamics; and hardware to support and protect transmission conductors, spacers, spacer-dampers, stockbridge dampers, corona suppression devices, and various compression fittings for dead-end applications. The company also provides protective closures, including splice cases to protect fixed line communication networks, such as copper cable or fiber optic cable, from moisture, environmental hazards, and other potential contaminants; and plastic products comprising guy markers, tree guards, fiber optic cable markers, and pedestal markers to identify power conductors, communication cables, and guy wires. In addition, it offers data communication cabinets, hardware assemblies, pole line hardware, resale products, underground connectors, solar hardware systems, and urethane products for use by energy, renewable energy, communications, cable, and special industries for various applications, as well as solar hardware systems and mounting hardware for various solar power applications. The company serves public and private energy utilities, communication companies, cable operators, governmental agencies, contractors and subcontractors, distributors, and value-added resellers. Preformed Line Products Company markets its products through direct sales force and manufacturing representatives. The company was founded in 1947 and is headquartered in Mayfield Village, Ohio.