Germany-Places.com has listed approx 6 Call centers in 47051 Duisburg. Some of the Top rated Call centers in 47051 Duisburg are- Nothelle Call Center Services GmbH, Competence Call Center Duisburg GmbH, Sanvartis GmbH healthcare providers, NDM Nothelle Direkt Marketing, Invidus GmbH & Co. KG & IOC Marketing UG (haftungsbeschränkt).