We serve a variety of firms around the world and are honored to number the following companies among our clients. Please note that some of the organizations listed below were clients of Osterman Research prior to their acquisition, but are still listed for the sake of completeness.


1105 Media

Habeas Rackspace
 123 Together HDR Radiance Networks
 Abaca HPE Radiant Logic

Hitachi Data Systems

Rand Secure Data
 Accellion HP Autonomy Recommind
 AccessData HubSpan Reconnex
 Actiance HyperOffice Red Earth Software
 Adomo   Red Hat
 ADP I Redmond Media
 Advanced Logic IBM Corporation Reed / LexisNexis
 AeroFS IceWarp Reflexion
 Akaibu IFE Ltd. Renew Data Corporation
Akonix Systems iLumin Software Services Research in Motion / BlackBerry
Alcatel USA Imanami Reuters
Alcoa Imation Robinson Memorial Hospital
Alt-N Technologies IMBrella Software RPost
America Online IMlogic The Rockefeller Foundation
AmeriVault Corporation IMR, Inc. Rockliffe Systems
Amika Mobile Infocrossing  
Amtel Instant InfoSystems S
AppRiver Intechra Safend
Appsonic Intel Security SAIC
Apptix ASA IntelliReach Corporation Scalix Corporation
Archive360 Intermedia ScanSafe
ArcMail Internet Commerce Australia Seagate
Arkadin Intradyn SECCAS
Arkivum Intralinks Secure Computing / Cipher Trust
Armor5 Ipswitch File Transfer Secure Data in Motion
Arvato Systems GmbH Iron Mountain SecureKey
Astaro AG IronPort Systems Securit
AT&T (ISC)2 Security Financial Life
Atlantic Broadband IXOS Software
Attachmate   Sendio
AttachSTOR J Sendmail
Avaya J2 Global Sherpa Software Group
Avinti J.S. Redpath Limited SilverDane
AXS-One Jabber, Inc. Simply Mail Solutions
Axway janusNET SiteScape
Azaleos Corporation Jatheon Technologies Skybox Security
  Johnson Financial Group Smarsh
B Juniper Networks Socialtext
Backblaze   Sonasoft
Bain & Company K Sonian
BakBone Software Kanbay Incorporated SonicWALL
Banter Systems Kaspersky Sophos
Barracuda Networks  Keepit A/S Spamhaus
Bay Dynamics Kerio Technologies spamMATTERS
BE&K Engineering Company KnowBe4 SpamTitan
Biscom Knowledge Vault Spikes Security
Bishop Technologies Kroll Ontrack, Inc. Spoken Translation
BitTitan KVS, Inc. Sprint
BizCom Web Services   State of Maine
BlackBerry L StorageTek
BlackSpider Technologies Ltd. Legato Systems StorageMadeEasy
Blue Coat Systems Life Care Centers of America StrongMail Systems
bluesource The Linux Box Sun Microsystems
BOCES Southern Westchester LiveOffice Sunbelt Software USA
Boeing Company Logicworks SunGard Data Systems
BorderWare Technologies Lucid8 SurfControl plc
Box   SydneyPLUS International
Brightmail M Symantec Corporation
BT Syntegra M86 Security Synetek
C Mailtrust T
C2C Systems Limited Malwarebytes T-Systems Schweiz AG
Canadian Imperial Bank of Commerce Maxtor Corporation TechTarget
Captaris McAfee Techgenix
Cemaphore Systems McDermott Will & Emery LLP Telehouse Europe
Centrify McGill University Telvim
Certeon MedStar Health Teneros Mendocino Software TeraCloud Corporation
CertiVox MessageGate ThinkHR
Citrix Systems MessageLabs Thomson Reuters
CipherCloud MessageRite ThreatTrack Security
City of Seattle MessageSolution Thru
ClearStory Systems Messaging Architects/Netmail Titus
Cleartext Metalogix Topia Technology
Clearwell Systems Micro Focus  
Cleo Microsoft Corporation Transend Corporation
Cloudmark Mimecast TransVault
CloudVelocity Mimosa Systems Trend Micro
CMS Watch mindSHIFT Technologies TrustSphere
Cobweb Solutions Mirapoint Trustwave
Code Green Networks Mitek Tumbleweed Communications
Colligo Networks MobileGuard  
Colocation Networks MynextMail U
Commtouch Software Ltd. MX Force Unify Corporation
CommVault MX Logic Unify Square
Concentric MX Tools Unison Technologies
Concept G LLC   United Messaging
Confident Technologies   Unlimi-Tech
ConnectSolutions N USA.NET
Connected Corporation 3n USinternetworking
Converge NemX  
Convergence Limited Neo@Ogilvy V
Cordant NetApp

Validian Corporation

Cox Communications Neurlogic VASCO Data Security Intl.
Crosslink Capital Neuxpower Solutions Vector ESP
CTERA Neverfail, Inc. Viewpointe
CYA Technologies New Venture Partners VERITAS Software Corporation
CYREN Nexor Limited Viewpointe


Nokia Corporation Vircom, Inc.
  Notify VMware
D Northseas AMT Vodafone K.K.
Dark Reading Novell Voltage Security
DataMotion NTT America  
Datto   W

DB Networks

O WatchGuard Technologies


OCSD Waterford Technologies
Dexrex Ogilvy Renault Watson Wyatt Worldwide
DigiPortal Software OpenText WebEx Communications
dinCloud Openfind Information Technology Webroot Software
Diversinet Corporation  Orchestria Corporation Websense
DomainTools OwnCloud Wingra Technologies
Dorado Software   Wombat Security
Dropmysite P Workshare
Druva Palo Alto Exchange  
  Patron Systems X
E Permessa / DYS Analytics XO Communications
E-Hawk Pernod Ricard  
Echoworx PhishMe Y
EdgeWave PGP Corporation Yahoo!
Educom TS Pictet & Cie YouSendIt / Hightail
Electric Cloud PistolStar  
Electric Mail Placer County Office of Education Z
Email2 Plasmon ZANTAZ
EMC Corporation Pleasetech Zenprise
encryptX Corporation PointCross ZEROSPAM
Endeavors Technology Postini Zimbra
Ensim PostPath Zix Corporation
Entrepid Predictive Consulting Group ZL Technologies
Entrust Presensoft Zovy
Erado Proofpoint Zscaler
Estorian PURVIS Systems  
Everest Software Q  
F Quest Software  
FalconStor Software    
Firetrust Limited    
First Citizens Bank    
Fortiva, Inc.    
FrontBridge Technologies    
General Motors Corporation    
Genesys Telecommunications    
Global Relay    
Good Technology    
Goodmail Systems    
Government of Prince Edward Island    
Griffith University    
GROUP Technologies AG    
Guidance Software    

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