Aironet Wireless Communications - (IPO 1999, later acquired by Cisco Systems) – wireless local area products to extend enterprise data networks.
  Airwide Solutions Inc. - (Private) - Helps its clients worldwide to increase their profitability with its customised and flexible messaging and wireless content delivery solutions.

Alphion - (Private) –  Alphion's QLight™ Photonic Technology enables the deployment of a truly all-optical network. Service providers that build their networks using Alphion's technology realize an order of magnitude improvement in cost and performance

  Carrier Access Corporation - (Public, aquired Paragon Networks 2003) - Carrier Access is an equipment manufacturer that helps more than 1,800 telecommunications companies accelerate service revenue, lower operating costs and extend capital budgets by applying our high-performance broadband access and service creation technologies.

CiDRA - (Private) – advanced optical components and sub-systems for high-bandwidth optical telephony and data networks.


CenterPost - (Private) – CenterPost Communications is transforming the way companies interact with their customers. As the leader in automated customer communications, we deliver millions of interactive voice and text messages each month on behalf of clients such as United Airlines, Wells Fargo, ABN AMRO and The Weather Channel.

  CipherOptics, Inc. - (Private) - CipherOptics designs, develops and manufactures leading edge Gigabit speed encryption solutions that secure communication over high-speed networks.
  LightSurf, Inc. - (Aquired by Verisign) - LightSurf is the leading provider of Multimedia Messaging Solution services, picture-messaging, and premium content delivery.
  Motia, Inc. - (Private) - develops wireless semiconductors, chip sets, and modules that vastly improve the performances of wireless service providers.
  Nufern - (Private) - Nufern designs, manufactures, sells and supports fiber laser and amplifier modules and specialty optical fibers for a diverse range of industries. From its production, research and development facility in East Granby, Conn., USA, Nufern works from its core competencies in optical fiber design and integration to offer a wide array of standard fiber laser modules, fiber amplifiers and specialty fibers. Nufern's integrated team works closely with customers to provide rapid and cost-effective sub-assembly and fiber design services.
  Sabre Communications Inc. - (Private) - Sold to Backyard Broadcasting - 2002. Owns and operates eleven AM and FM radio stations in small to mid-size markets.

Tangoe, Inc. - (Private) - Tangoe, the leader in Telecom Expense Management (TEM) solutions, provides both software products and professional services that enable organizations to better understand, manage, and control their enterprise voice, data, and wireless telecommunications resources.


Welldog - (Private) - Founded in 1999, WellDog is an energy technology company that uses its own patented chemical sensing equipment to provide commercial reservoir analysis services for coalbed natural gas exploration and production. WellDog services give coalbed natural gas developers the information they need to produce more gas, more quickly, with less environmental impact.


WiDeFi - (Private) - WiDeFi is a wireless technology development company, focused on delivering innovative solutions for rapid growth, standards based, mass market applications.


YDI Wireless - (Public) – Young Design, Inc. (YDI), is a leading world supplier of high-speed license-free wireless data communication systems and offers some of the most technically advanced wireless data communication equipment available.



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