Artilium Communications - - Develops, markets, and installs open, scalable telecom solutions for next-generation SS7 INAP networks.
IntelliNet Technologies, Inc. - - Provide tools for wireless and intelligent network application development running on an SS7 or IP network.
The OpenSS7 Project - - An opensource development project to provide a robust and GPL'ed SS7, SIGTRAN, ISDN and VoIP stack for Linux and other UNIX operating systems.
Ulticom, Inc. - - Provides the telecommunications industry with signaling software that enables development and deployment of Mobility, Location, Payment, Switching and Messaging services within wireless, IP and wireline networks.