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 primarily for the energy, telecommunication, cable operators, and data communication industries worldwide. The company 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 for supporting and protecting transmission conductors, spacers, spacer-dampers, stockbridge dampers, corona suppression devices, and various compression fittings for dead-end applications. It 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 data communication cabinets, which are used in high-speed data systems to hold and protect electronic equipment. In addition, the company offers plastic products comprising guy markers, tree guards, fiber optic cable markers, and pedestal markers to identify power conductors, communication cables, and guy wires; and other products, which consist of hardware assemblies, pole line hardware, resale products, underground connectors, solar hardware systems, mounting hardware, and urethane products that are used by energy, renewable energy, communications, cable, and special industries. Its customers include public and private energy utilities, communication companies, cable operators, governmental agencies, contractors and subcontractors, distributors, and value-added resellers. The company markets its products through direct sales force and manufacturing representatives. Preformed Line Products Company was founded in 1947 and is headquartered in Mayfield Village, Ohio.