![]() Columbia Holding Columbia Holding is a company that focuses on the development and implementation of eco-friendly technologies. | ![]() Northrop Grumman Worldwide Enterprise Northrop Grumman Worldwide Enterprise (formerly known as Northrop Grumman Information Technology International) is a public holding company providing business support services. | ![]() The Heritage Group The Heritage Group (THG) is a company specializing in heavy construction and materials, environmental services, and specialty chemicals. | |||
Founding Date | Founding Date 1993 | Founding Date 2007 | Founding Date 1983 | Founding Date 1930 | Founding Date 2005 |
Type | Type Private | Type Private | Type Subsidiary | Type Private | Type Subsidiary |
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Locations | Locations KY HQ | Locations Cavazzale, IT HQ | Locations Falls Church, US HQ | Locations Indianapolis, US HQ | Locations Jiuting, CN HQ |
Employees | Employees 5382% increase | Employees 1623% increase | Employees 6610% decrease | Employees 6,00020% increase | Employees 90219% decrease |

Columbia Holding is a company that focuses on the development and implementation of eco-friendly technologies.
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Northrop Grumman Worldwide Enterprise (formerly known as Northrop Grumman Information Technology International) is a public holding company providing business support services.
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The Heritage Group (THG) is a company specializing in heavy construction and materials, environmental services, and specialty chemicals.
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ZF China Investment (采埃孚(中国)投资有限公司) is a holding company.
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