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Innoveer Solutions Kadient MacGregor Group Me.dium My Perfect Gig NBX Corporation Net2Net Corporation NeuroMetrix Nova Analytics Corporation Ounce Labs Pactolus Communications Qiave Technologies Quallaby Corporation Reval Seahorse Bioscience SoundBite Communications Swissray International Tally Systems The Echo Nest Tungle Vela Systems Virtera Visible Assets Wavesmith Networks Zeemote Zinio Systems Zoom Information

Lowell, MA. Quallaby Corporation is a leading provider of telecommunications software that enables service providers to derive maximum revenue from their network infrastructure. PROVISO software from Quallaby sets the standard for network performance monitoring and service assurance. Quallaby was acquired by Micromuse (NASDAQ: MUSE) in June 2005. Micromuse was acquired by IBM in February 2006.
Investment Partners: Matrix Partners, North Bridge Venture Partners
