Preformed Line Products Company, together with its subsidiaries, designs and manufactures products and systems that are used in the construction and maintenance of overhead, ground-mounted, and underground networks for the energy, telecommunication, cable operator, information, and other industries. The company offers optical ground wire products to support, protect, terminate, and splice transmission and distribution lines, as well as bolted, welded, and compressed connectors for substations; and string hardware products, polymer insulators, wildlife protection, substation fittings, and motion control devices. It also provides rugged outside plant closures to protect and support wireline and wireless networks, such as copper cable or fiber optic cable from moisture, environmental hazards, and other contaminants; and hardware assemblies, pole line hardware, plastic products, cable dynamics/vibration solutions, interior/exterior connectors, tools, and urethane solutions that are used by energy, renewable energy, communications, cable, and special industries for various applications. The company serves public and private energy utilities and communication companies, cable operators, governmental agencies, contractors and subcontractors, distributors, and value-added resellers in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific. It markets its products through a direct sales force, as well as through manufacturing representatives. The company was incorporated in 1947 and is headquartered in Mayfield, Ohio.