| 3G USA Billing Companies | ||
| adc -world broadband company | *** | |
| amdocs - CRM, billing and order management | *** | |
| bertelsmann - international media corporation | **** | |
| cerillion technologies - rating and billing for 3G | ** | |
| convergys -world class billing | ** | |
| fulcrum analytics - customer intelligence software and analytical services | *** | |
| gemplus - the leader in smart card solutions for wireless | *** | |
| idc - world's leading provider of technology intelligence, industry analysis, market data, and strategic and tactical guidance | **** | |
| intec telecom - telecom billing products | *** | |
| logica - 3G billing, CRM and ERP systems | *** | |
| portal software - develops customer management and billing software | *** | |
| TSI - roaming, fraud, intelligent network services, carrier access billing, international roaming, wireless internet | **** |