Proterial Cable America (formerly Hitachi Cable America) designs and manufactures high-performance copper and fiber optic communication cables. Their modern 300,000 square foot facility is located in Manchester, New Hampshire, USA. Proterial's equipment and advanced engineering technology enable them to produce a wide range of products to meet all industry-standard and custom cable needs.

Proterial Cable America is a standards and technology based manufacturing company. Their cables are designed to exceed the most stringent ANSI, UL and CSA requirements. In addition, all of Proterial's premise and fiber optic cables comply with TIA and ISO telecommunications cabling standards. The Manchester facility is ISO 9001 registered and is a showcase example of a fully-automated cable manufacturing plant. Proterial has built its brand and its reputation by providing the very best cabling solutions in the industry. As an innovative cable manufacturer, Proterial has come to learn that providing a solution means much more than just delivering the appropriate cable for the project.