Volubill has been providing communications providers with business critical solutions for network to customer charging and control. These provide the basis for a range of high value, real-time applications such as revenue management, intelligent usage policy management and subscriber usage monitoring. Volubill provides these solutions to fixed, mobile and FMC (fixed mobile convergent) operators worldwide, irrespective of the underlying network technology such as DSL, WiFi, WiMAX, GPRS, EDGE, HSPA, pre-IMS and IMS. By bringing these business critical functions right into the network for the first time, Volubill makes them a truly real-time operation, with access to the vital product, pricing, customer usage and QoS information required to accurately charge and control customers at the very instant they are using a service.

Telmar Network Technology helps communications providers expand and maintain their networks. The company supplies new and used telecommunications and data networking equipment to network service providers, OEMs, and enterprises. It also supplies a broad range of supply and network support services, including multi-vendor repair, spares management, technical support, asset disposition, and logistics and warehousing programs. Serving customers worldwide, the company has operations in the Americas, Asia, Europe, and the Middle East. Telmar Network Technology is a portfolio company of private equity giant Warburg Pincus.

TowerCo was founded in 2004 by industry veterans Richard Byrne, Chief Executive Officer, and Scot Lloyd, Chief Operating Officer, along with Tailwind Capital. They envisioned a pure-play tower company with the straightforward mission of meeting the infrastructure needs of wireless service providers. TowerCo is the fifth largest independent tower company, owning and leasing more that 3,200 communication towers in 47 states and Puerto Rico and has exclusive contracts to build towers directly for carriers throughout the country.In December 2005 Soros Strategic Partners invested in TowerCo and in September 2008, Vulcan Capital and Altpoint Capital Partners (formerly Stonetower Capital) became equity partners. TowerCo is based in Cary, NC and has an office in Irvine, CA.

InterMetro Communications is a leading facilities-based provider of enhanced voice and data communication services. We own and operate a national, private, proprietary voice- over Internet Protocol (VoIP) network infrastructure powered by state-of-the-art switching equipment. Our robust network transports carrier-quality enhanced voice services that can be packaged into customized high margin products. Our network powers some of the industries' leading providers of communication services, such as: wholesale transport carriers, wireless providers, broadband phone companies, VoIP service providers, prepaid calling card providers, and voice-enabled application service providers. Our experienced team has a customer-centric approach with a proven track record of success. InterMetro is headquartered in Simi Valley, California.

CoCo Communications is good to have around in an emergency. The company develops networking equipment (Mesh Routers) and software (CoCo Node) designed to help first responders (police, fire fighters, and emergency medical personnel) communicate more effectively. Its products bridge technical gaps between varying communications systems enabling users to transmit voice, video, and data over multiple networks. CoCo's technology links public safety networks, commercial carrier lines, the Internet, and satellite networks. Clients have included local, state, and federal agencies in the US such as the Coast Guard and the Transporation Security Administration. CoCo has satellite offices in Dallas, Texas and Laurel, Maryland.

Invomo is a public electronic communications network (regulated by Ofcom) providing an extensive range of hosting services to improve its customers' communication with their customers. We're highly experienced in generating value from telecoms: whether it's enhancing the way your company interfaces with the outside world, converting more calls to business, reducing operational overheads or increasing revenues through engaging campaigns, it's worth calling us. We have an exceptional network facility in London. It houses the very latest telephony equipment, on which we build smart applications that optimise both your telecoms operations and the experience your customers have of your voice and mobile services. You don't need to invest in infrastructure - we seamlessly connect our systems to yours. All services are co-ordinated by our ultra-reliable carrier- grade networks while being backed by 24/7 support. We also have strategic partnerships with leading carriers and hardware companies including BT, HP, HIPCOM and Genesys to further ensure quality and reliability.

NII Holdings spreads its former parent's version of wireless communications beyond US borders. NII Holdings exports the Nextel brand to Latin America, serving customers in Argentina, Brazil, Chile, Mexico, and Peru. Based on Motorola's iDEN technology, NII's service supports cellular phone, numeric and text messaging, two-way radio, and Internet access. The company also sells mobile handsets, most of which it buys from Motorola. It also offers BlackBerry devices from Research In Motion. NII Holdings maintains a subscriber base of nearly 8 million users.

CapRock Government Solutions helps soldiers and other government employees around the globe to keep in touch with each other. It specializes in building, maintaining, and managing satellite and terrestrial wide-area and international networks for the US Department of Defense, as well as other government and commercial clients. Additionally, it provides information technology and professional services, including systems and application integration, consulting, and training. Clients have included the US Army, the US Space Command, and various intelligence agencies. CapRock Government Solutions is a subsidiary of satellite communications provider CapRock Communications.

Eltel is ‘The InfraNet Company™’ with the resources and expertise committed to securing Infranet availability - the lifelines of society, 24 hours a day, 7 days a week. Eltel uses its expertise in managing skilled technicians to secure availability of clients' networks. By utilizing economies of scale and scope and innovative solutions, Eltel reduces customers' unit costs and improves efficiency.Eltel Networks offers a portfolio of services that deliver cost-efficient support for your network throughout its entire life-cycle. We assist you in selecting exactly the services you need to complement your own capabilities – from the initial design and construction of the physical network, to ensuring its availability, to enhancing profitability throughout its operational life.The key client groups for our service and project business include:

Princeton Lightwave was spun off from SRI International subsidiary Sarnoff Corp. in 2000. The company's financial backers include Morgenthaler, U.S. Venture Partners, and Venrock Associates. Princeton Lightwave is educated in the ways of wavelengths. The company develops distributed feedback, erbium-doped fiber amplifier, and Raman pump lasers used in optical transmission. Princeton's lines of WavePower and WaveHarp laser components are intended to be incorporated into fiber-optic equipment, such as dense wavelength division multiplexing devices, built by other manufacturers. Its WaveRider amplifier chips are used to boost the power of lasers.

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