3M Company
Access Commerce
Adax, Inc.
ADC ADTRAN
ADVA Optical Networking, Inc.
Advanced Media Technologies  (AMT)
AdventNet, Inc.
AFL Network Services
Agilent Technologies
Aktino
Alcatel-Lucent
Alepo USA
Alloptic
Allot Communications
Alphion Corporation
AMCC
American Express
American Registry for Internet Numbers    
Anritsu Company
ANS Advanced Network Services
Argus Technologies
Astellia, Inc
Astute Networks
ATCi
ATL Communications
Aware, Inc.
Aztek Networks, Inc.
Barracuda Networks
Bay Microsystems
BCI Communications
Berkeley Varitronics Systems, Inc.
BICSI
Bivio Networks
Brilliant Telecommunications
BTI Systems
Calix
Cambridge Industries Group (CIG)
Canoga Perkins
Cavium Networks
Cedar Point Communications
CenturyTel Inc.
Ceterus Networks
Charles Industries, Ltd.
CIENA Corporation
Clearfield, Inc
Cobra Wire & Cable, Inc.
Commsoft
Communications Data Group, Inc.
Comtrend Corporation
CopperGate Communications
CSA International
Custom Cable
Data Connection Limited (DCL)
Digital Lightwave, Inc.
DIRAK, Inc.
Ditech Networks
Dowslake Microsystems Corp.
Ekinops
Electro Wire Inc.
EMBARQ Logistics
Emerson Network Power
Entone Technologies
ESRI, Inc.
Ethos Networks LTD
Evertz
EXFO
Falcon IP / Complete
Foundry Networks, Inc.
Fujitsu Network Communications Inc.
GENBAND
Henkels & McCoy Inc.
Hitachi Telecom (USA), Inc.
HomePNA
Hostopia Inc.
Huawei Technologies
Intertek
IPgallery
ITC Service Group, Inc.
JDSU (JDS Uniphase)
Juniper Networks
Juniper Networks
KARLEE
La Marche Mfg. Company
LightRiver Technologies

McObject LLC
MegaSys Computer Technologies
MET Laboratories, Inc.
MetaSwitch
Mobile Mark, Inc
MRV Communications
Mu Dynamics
Napatech Inc.
National Technical Systems (NTS)
NE Technologies/DSET Corporation
NECNet Optics
Nokia Siemens Networks LLC
Nokia Siemens Networks LLC
Noran Tel
Occam Networks, Inc.
OFS Fitel
Omnitron Systems Technology Inc.
OneChip Photonics Inc.
Optelian
Optical Internetworking Forum (OIF)
Oser Communications Group
Overture Networks
Panasonic Computer Solutions Company
Pitney Bowes Business Insight
Polatis, Inc.
Power & Telephone Supply Company
Primex Manufacturing Ltd.
Purcell Systems
RAD Data Communications, Inc.
Radian Heatsinks
Redback Networks Inc.
RGB Networks Inc
Sandvine Incorporated
Sencore, Inc.
Sensata Technologies
Shields Environmental, Inc.
SNH, Inc.
Soapstone Networks
Sonus Networks, Inc.
Southwest Research Institute (SwRI)
SPC Systems
Suttle
Sycamore Networks, Inc.
Taqua LLC
Tekno Telecom, LLC
Tektronix, Inc
Telamon Corporation
Telchemy Incorporated
Telcobuy.com/World Wide Technology
Telesoft Technologies
Tellabs
Telmar Network Technology
Tempest Telecom Solutions
TIA
TIA
Timbercon, Inc.
Tollgrade Communications, Inc.
TPACK
Transition Networks, Inc.
Transmode
TranSwitch Corporation
TruePulse Inc.
Ulticom, Inc.
Underwriters Laboratories Inc.
Unipower Telecom
University of Denver
Vecima Networks Inc.
VSS Monitoring, Inc.
Walker and Associates Inc.
Wuhan FiberHome Networks Co., Ltd.
Xelerated AB
Zeugma Systems
ZyXel Communications