1. Accenture PLC
2. AT Kearney Inc.
3. Bain & Company Inc.
4. Barkawi Management Consultants GmbH & Co. KG
5. Booz Allen Hamilton Inc.
6. Capgemini SE
7. Deloitte Touche Tohmatsu Limited
8. Ernst & Young LLP
9. Gartner Inc.
10. Implement Consulting Group P/s
11. International Business Machines Corporation
12. KPMG International
13. McKinsey & Company
14. Oliver Wyman Inc.
15. Tata Consultancy Services