| 1. Boston Consulting Group (The Boston Consulting Group GmbH) in München |
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| 2. Tata Consultancy (Tata Consultancy Services Deutschland GmbH) in Frankfurt am Main |
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| 3. McKinsey & Company (McKinsey & Company, Inc.) in Düsseldorf |
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| 4. Inoges (INOGES AG) in Krefeld |
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| 5. BASF Services Europe (BASF Services Europe GmbH) in Berlin |
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| 6. IAS Gruppe (ias AG) in Berlin |
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| 7. Horváth & Partners (Horváth AG) in Stuttgart |
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| 8. Schwarz Dienstleistungen (Schwarz Dienstleistung KG) in Neckarsulm |
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| 9. Cimpa (CIMPA GmbH) in Hamburg |
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| 10. Roland Berger (Roland Berger GmbH) in München |
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Auswahl nach Branchen, Region und Firmengröße