The following were the top 100 private companies to watch in 2005:
AccessLine Acme Packet Aculab Adax Amtelco Atreus Systems Bay Packets BlueSlice Bridgeport Networks Brix Networks Broadsoft Broadvoice CallWave Centile Cicero Networks Cinergy Communications Cirpack CITEL Technologies Commetrex Convedia Diamondware Digilinea Digium Ecuity Advanced Communications eStara Excel Switching GrandStream Hexago Hotsip i3Micro Technology Inclarity Ingate International Systems Research Intertex Intoto IP Unity Iptel.org IPeria IVR Technologies Jasomi Networks jNETx Kagoor locustworld LongBoard M5Networks MailVision Mediatrix Mera Systems Meru Networks Metaswitch Natural Convergence Netcentrex Netintact Netrake Neustar NexTone Communications Nimcat Networks OneConnect OnRelay Pactolus PalTalk Paradial Peerio (Popular Telephony) Peoplecall Personeta Pingtel PointOne Psytechnics Quintum Technlogies ring2 Sansay SentitO SIPquest Skype SkyWave Strix Systems Surf Communication Solutions SWYX Sylantro Telchemy TeleGea Telio Tellme Networks ThinkEngine Networks Trinity Convergence Ubiquity Software Unimax VegaStream Versatel Networks VidiTel Vocera VoicePulse VoIP Americas Volo Communications Vonage Voxpath Networks WebCall World Webmessenger Wildpackets Zultys Technologies