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Keltern Keltern is hosting four of the largest companies in Germany (Deutschland). According to the NACE-activities of the biggest companies, Keltern is the city of the NACE-Code: "DI: MANUFACTURE OF OTHER NON-METALLIC MINERAL PRODUCTS"
City:	Keltern (See Map below)
Country:	Germany (Deutschland)
Largest companies:	TBG Transportbeton GmbH & Co KG Profiletech GmbH Drollinger GmbH Inha-Innentüren und Haustüren Grosshandels-GmbH
City Id:	8933

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