Billing
| 900 Numbers provider of automated telephone billing services including: 800, and 900 numbers, billing & collection, programming and reporting. | |
| Ace*Comm Corporation - provides billing data collection, network surveillance, alarm processing and network management products for some of the largest carriers and enterprises in the world. | |
| AMDOCS Inc. | |
| Centech Solutions - specialize in call center technology, customer satisfaction measurement, outsourcing, and customer service. | |
| Datex Billing Services Inc . - custom billing solutions for all aspects of the telecommunications and internet marketplace. | |
| Intouch Management Services - billing, programming and management systems for pcs/paging carriers and resellers. | |
| Macrologic, Inc. - billing and customer support solutions for telecommunications organizations worldwide. | |
| Martin Dawes Systems - povider of the DISE customer care system for the telecoms and service provision industry. | |
| National Independent Billing, Inc. | |
| Open Systems - TMN systems for customer care, billing, accounting, rating, service provisioning, activation, maintenance and network management. | |
| Saville Systems | |
| Sysnet Telecomm. and Billing System - billing platform designed for the telecommunications industry. | |
| TransNexus - offers secure call routing, and inter-carrier clearing and settlement billing services to internet telephony service providers. | |
| Xtrasource, Inc. - international outsourcing company which provides technical support. | |