| AMR Research Central Provides research, advice and analysis for supply chain, customer management, ERP and more. |
| Forrester Research Provides research, analysis and comprehensive reports on information technology companies, products, and services. |
| PRC Offers outsourced customer management solutions, including BPO for contact management and call center. |
| Sitel Corporation Provides outsourced customer interaction solutions covering different stage of the customer lifecycle. |
| TeleTech Provides customer management, business-process (BPO) and database-marketing solutions. |