ACS
ACT ELECTRONICS, INC
ACTERNA
ALBACOM
ALCATEL USA
ALPHA TECHNOLOGIES
AMERICAN POWER CONVERSION
ANIXTER INC
AT&T
ATX SYSTEMS
AUNA
AVENUE TV CABLE SERVICE INC
BATELCO
BELGACOM
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BRANDENBURG TELEPHONE COMPANY
BRIDGECOM INTERNATIONAL
BRIGHTHOUSE NETWORKS
BT
BULLDOG
CALIX NETWORKS INC
CALL-NET TECHNOLOGY SVCS INC
CANBRAS
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CAVALIER TELEPHONE
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CHARTER COMMUNICATIONS
CHESTER TELEPHONE COMPANY
CHINA TELECOM
CINCINNATI BELL TELEPHONE
CITY OF PORTLAND
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CLICK NETWORK
CODETEL
COMMONWEALTH TELEPHONE
COMMUNICATIONS TEST DESIGN INC
CON EDISON
CONFLUENT TECHNOLOGY GROUP
CONSOLIDATED TELECOM
CSC HOLDINGS INC
D & E COMMUNICATIONS INC
DA TECHNOLOGIES
DB TRONICS
DESIGNED TELECOMMUNICATIONS
DYNAVAR NETWORKING INC
EASYNET GROUP PLC
EAST ASCENSION TELEPHONE
EMC EASTERN MULTIMEDIA
EPM
ESSENT
EVERGREEN UTILITY CONTRACTORS
FERMI LABS
FIBER NODE SERVICES INC
FLORIDA DIGITAL NETWORK INC
FORT MILL TELEPHONE COMPANY
FRANCE TELECOM
FRANKFORT ELECTRIC & WATER PLA
FRONTIER COMMUNICATIONS
FUJITSU NETWORK COMMUNICATIONS
FUNEA BROADBAND
GB ENTERPRISES
GO DIGITAL
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GRAYBAR ELECTRIC COMPANY
GUAM TELEPHONT AUTHORITY
HAGEMEYER NORTH AMERICA
HAWAII TELCOM
HCI TECHNOLOGIES INC
HIMAWARI
HYA
INFOVIAS
INSIGHT COMMUNICATIONS
INTEGRA TELECOM
INTEGRAL ACCESS INC
IOWATEL
JCOM
JERSEY TELECOM
JUPITER TELECOMMUNICATIONS CO. LTD.
KANSAI
KINGSTON COMMUNICATIONS
KNOLOGY
KOREA TELECOM
KPN
LANCASTER TELEPHONE COMPANY
LEE ENTERPRISE

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MAGYAR TELEKOM
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MP INSTRUMENT COMPANY
MULTIOPERADORA CABLE NET
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NORTH PITTSBURGH TELEPHONE COMPANY
NORWOOD LIGHT DEPARTMENT
NTELOS
NTL GROUP
NUVOX
OHIO STATE UNIVERSITY
ONE COMMUNICATIONS
OPTUS
PATRIOT MEDIA & COMMUNICATIONS
PBT
PCS1
PIONEER TELEPHONE COOPERATIVE
PIPEX
PLEXUS SERVICES CORP
POWERTEL
PRECISION COMMUNICATION
PRECISION TECH SERVICES
PRTC
QSC AG
QWEST COMMUNICATIONS
RCN
ROCK HILL TELEPHONE
ROGERS COMMUNICATIONS INC
ROMTELECOM
SANDWICH ISLES COMMUNICATIONS
SAGEM COMMUNICATIONS
SAUDI TELECOM
SASKTEL
SBC
SCARLET
SEFNCO CONTRACTORS
SEREN INNOVATIONS INC
SHANGHAI HI TECH CONTROL SYSTEMS
SIEMENS
SLOVAK TELEKOM
SPRINT
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STARPOWER
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TASA
TBAYTEL
T-COM
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TECNOUS
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TELMEX
TELUS
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TOT
TP
TRIGON INTERNATIONAL
TRINSIC COMMUNICATIONS, INC.
TS LEASING
TVA
TWT
UGC UNITEDGLOBALCOMM
UPC
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VENTRONIX
VERIZON
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WINDSTREAM
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