A
1105 Media
123 Together
Abaca
Accellion
Actiance
Adomo
ADP
Akonix Systems
Alcatel USA
Alcoa
Alt-N Technologies
America Online
AmeriVault Corporation
Amika Mobile
AppRiver
Appsonic
Apptix ASA
ArcMail
Arvato Systems GmbH
Astaro AG
AT&T
AttachSTOR
Avaya
Avinti
AXS-One
Azaleos Corporation

B
Backblaze
Bain & Company
BakBone Software
Banter Systems
Barracuda Networks
BE&K Engineering Company
Biscom
BizCom Web Services
BlackSpider Technologies Ltd.
Blue Coat Systems
BOCES Southern Westchester
Boeing Company
BorderWare Technologies
Brightmail
BT Syntegra

C
C2C Systems Limited
Canadian Imperial Bank of Commerce
Captaris
Cemaphore Systems
Certeon
CertifiedMail.com
CertiVox
Citrix Systems
City of Seattle
ClearStory Systems
Cleartext
Clearwell Systems
Cloudmark
CMS Watch
Cobweb Solutions
Code Green Networks
Colligo Networks
Commtouch Software Ltd.
CommVault
Concentric
Concept G LLC
Connected Corporation
Converge
Convergence Limited
Cordant
Cox Communications
Crosslink Capital
CYA Technologies

D
DataMotion
Dell
Dexrex
DigiPortal Software
Diversinet Corporation
Dorado Software

E
Echoworx
EdgeWave
Educom TS
Electric Cloud
Electric Mail
EMC Corporation
encryptX Corporation
Endeavors Technology
Ensim
Entrepid
Entrust
Estorian
Everest Software
Everyone.net

F
FalconStor Software
Faronics
Firetrust Limited
First Citizens Bank
Fortiva, Inc.
FrontBridge Technologies

G
General Motors Corporation
Genesys Telecommunications
GFI Software Ltd.
Global Relay
Goodmail Systems
Google
Government of Prince Edward Island
Griffith University
GROUP Technologies AG
Guidance Software
GWAVA

H
Habeas
HDR
Hewlett Packard
Hitachi Data Systems
HubSpan

I
IBM Corporation
IceWarp
IFE Ltd.
iLumin Software Services
Imanami
Imation
IMBrella Software
IMlogic
IMR, Inc.
Infocrossing
Instant InfoSystems
Intel Corporation
IntelliReach Corporation
Intermedia
Internet Commerce Australia
Intradyn
Ipswitch
Iron Mountain
IronPort Systems
IXOS Software

J
J.S. Redpath Limited
Jabber, Inc.
Jatheon Technologies
Johnson Financial Group

K
Kanbay Incorporated
Kaspersky
Kerio Technologies
Kroll Ontrack, Inc.
KVS, Inc.
  
L
Legato Systems
Life Care Centers of America
The Linux Box
LiveOffice
Lucid8

M
M86 Security
MailChannels
Mailtrust
Maxtor Corporation
McAfee
McDermott Will & Emery LLP
McGill University
MedStar Health
Mendocino Software
MessageGate
MessageLabs
MessageOne
MessageRite
MessageSolution
Messaging Architects
Metalogix
Microsoft Corporation
Mimecast
Mimosa Systems
mindSHIFT Technologies
Mirapoint
MX Force
MX Logic
MX Tools

N
3n
NemX
Network Appliance
Neurlogic
Neuxpower Solutions
Neverfail, Inc.
New Venture Partners
Nexor Limited
Nokia Corporation
Notify
Northseas AMT
Novell
NTT America

O
Ogilvy Renault
Open Text
Openfind Information Technology
Orchestria Corporation

P
Palo Alto Exchange
Patron Systems
Permessa / DYS Analytics
PGP Corporation
Pictet & Cie
PistolStar
Placer County Office of Education
Plasmon
PointCross
Postini
PostPath
Predictive Consulting Group
Presensoft
Proofpoint
PURVIS Systems

Q
Quest Software

R
Rackspace
Radiance Networks
Recommind
Reconnex
Red Earth Software
Reed/LexisNexis
Reflexion
Renew Data Corporation
Research in Motion
Reuters
Robinson Memorial Hospital
RPost
The Rockefeller Foundation
Rockliffe Systems

S
Safend
SAIC
Scalix Corporation
ScanSafe
Seagate
SECCAS
Secure Computing / CipherTrust
Secure Data in Motion
Securit
Security Financial Life
SearchExchange.com
Sendio
Sendmail
Sherpa Software Group
SilverDane
Simply Mail Solutions
SiteScape
Smarsh
Socialtext
Sonasoft
SonicWALL
Sophos
spamMATTERS
SpamTitan
Spoken Translation
Sprint
State of Maine
StorageTek
StrongMail Systems
Sun Microsystems
Sunbelt Software USA
SunGard Data Systems
SurfControl plc
SydneyPLUS International
Symantec Corporation
Synetek

T
T-Systems Schweiz AG
TechTarget
Telehouse Europe
Telvim
Teneros
TeraCloud Corporation
TextGuard
Titus
Transend Corporation
Trend Micro, Inc.
TrustSphere
Tumbleweed Communications

U
Unify Corporation
Unison Technologies
United Messaging
USA.NET
USinternetworking

V
Validian Corporation
Vector ESP
VERITAS Software Corporation
Vircom, Inc.
VMware
Vodafone K.K.

W
WatchGuard Technologies
Waterford Technologies
Watson Wyatt Worldwide
WebEx Communications
Webroot Software
Websense
Wingra Technologies
Workshare

X
XO Communications

Y
Yahoo!
YouSendIt

Z
ZANTAZ
Zenprise
ZEROSPAM
Zimbra
Zix Corporation
ZL Technologies