Tempel Tempel is a manufacturer of precision magnetic steel laminations for automotive, generator, motor, and transformer applications. | ![]() Proterial America Proterial America (formerly known as Hitachi Metals America) is a manufacturer of automotive-related, infrastructure and energy, and electronic-related products. | ![]() BWI Group BWI Group is a premier chassis supplier that designs and manufactures brake and suspension systems for the global transportation market. | |
Founding Date | Founding Date 1945 | Founding Date 1965 | Founding Date 2009 |
Type | Type Private | Type Subsidiary | Type Private |
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Locations | Locations Chicago, US HQ Burlington, CA Changzhou, CN Chennai, IN Ciudad Apodaca, MX | Locations Harrison, US HQ Arlington Heights, US China Grove, US Farmington Hills, US Hopkinton, US Manchester, US Milpitas, US see more | Locations Beijing, CN HQ Shanghai, CN Dayton, US |
Employees | Employees 575 | Employees 2261% increase | Employees 1,6971% decrease |

Proterial America (formerly known as Hitachi Metals America) is a manufacturer of automotive-related, infrastructure and energy, and electronic-related products.
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BWI Group is a premier chassis supplier that designs and manufactures brake and suspension systems for the global transportation market.
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