- C-COR Electronics, Inc. (1)
- Cavan Group
- Services in the areas of telecommunications, network design, and cable infrastructure design. - Cerent
- Developers of a device to deliver high bandwidth, multiservice transport. - Communications Systems, Inc.
- Offers a team approach to customise the services needed for each client and project within the public safety, governmental and private industries. Comnitel Techchnologies
- Offers network and service management products to GSM, GPRS, CDMA, IP, and 3G telecom network operators worldwide.- Computer Telephone Corp
- Telecommunications network services. - Connexion Technologies
- Fibre-optic amenity company designs, builds, and manages telecommunication networks in single family and multi family communities. - Contour Telecom Management, Inc.
- Outsourced telecommunications management for mid to large sized companies. - CSS Inc.
- Provides secure remote access, console server, network intrusion detection (IDS), device mediation, alarm monitoring, and data collection solutions. - CTC Communications
- Provider of telecommunications network services. - DPS Telecom
- Manufactures network management systems for remote alarm monitoring, alarm mediation and conversion, and support for protocols. - E-Comms, Inc.
- Helps meet your data and LAN equipment needs. - E-Sync Networks
- Messaging integration, directory synchronization, and consulting to companies requiring secure message connectivity between disparate email platforms. - Equant (1)
- Fortune Communications
- Specialists in information, network, and equipment security, firewall and risk management, as well as voice and data communications technology. Experts in telecommunications planning and design. - Gambit Communications, Inc.
- Offers SNMP simulation tools for improving network management. - GLA International
- Delivery and management of voice, video and data services. - Global Crossing Financial Markets
- Providing global network services and solutions to the financial services industry. - Inet Technologies (1)
- Intrado
- Provides 911 emergency data management, network transaction, call handling, and notification services. - Koxlien Group
- Network communications specialist, focusing on network design and cost efficiency. - Lumos Technologies Inc.
- Manage multi-technology, multi-vendor telecom networks in one integrated network system. - Macroview Telecom
- Offering communications network products, consultation, installation, and maintenance. - MasTec, Inc. (1)
Minerva Managed Networks
 - Mitec
- Providing products and management services to the telecommunication market. National Grid Group
- Specialises in the provision of electricity transmission and in building telecommunications networks.- Open Network Management
- Provides software, training, and consultancy to telecommunications network operators and equipment manufacturers working with TMN architectures, frameworks, and applications. Offers configured and customisable compilers. - Orchid Systems, Inc.
- Provides patented technology for rapid, non-invasive legacy extension, web or wireless enablement, data migration, and email integration. - Parsons Communication Group
- Providing telecom architecture, engineering, installation, programme management, and maintenance services. - TAVVE Software Co.
- Provides network management products and operational tools, integration services, consulting, and customised development. - Telsource Corporation
- Provides turnkey voice and data network integration, including nationwide installation, maintenance, and monitoring of routers, hubs, CSUs/DSUs, POPs, and more. - Telstra International
- Leading provider of managed networked solutions in Asia, Europe, and Americas. Features network solutions like global ethernet, data centre solutions for colocations, and value added solutions like VoIP, and audio and video conferencing. - Teltronics
- Design, development, and assembly of electronics equipment and software that enhances the performance of telecommunications networks. Tubedale Communications Limited
- Provides solutions to a whole range of telecommunications and network management problems.- Universal Access
- Offers network infrastructure products and services, including bandwidth provisioning. - Verizon Enterprise Solutions Group
- Providing end-to-end data solutions for the business community. - Verizon Wholesale
- Offers a broad portfolio of products and services for wireless, ISP, long distance, and local service providers. - Vertel
- Supplier of industry standard TMN (telecommunications management network) solutions to telcos, MSOs, carriers, CAPs and equipment vendors.
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