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
BinaryTree Knowledge Vault Spikes Security
Biscom Kroll Ontrack, Inc. Spoken Translation
Bishop Technologies KVS, Inc. Sprint
BitTitan   State of Maine
BizCom Web Services   StorageTek
BlackBerry L StorageMadeEasy
BlackSpider Technologies Ltd. Legato Systems StrongMail Systems
Blue Coat Systems Life Care Centers of America Sun Microsystems
bluesource The Linux Box Sunbelt Software USA
BOCES Southern Westchester LiveOffice SunBard Data Systems
Boeing Company Logicworks SurfControl plc
BorderWare Technologies Lucid8 SydneyPLUS International
Box   Symantec Corporation
Brightmail M Synetek
BT Syntegra M86 Security  
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 Transend Corporation 
Cleo Microsoft Corporation TransVault
Cloudmark Mimecast Trend Micro
CloudVelocity Mimosa Systems TrustSphere
CMS Watch mindSHIFT Technologies Trustwave
Cobweb Solutions Mirapoint Tumbleweed Communications
Code Green Networks Mitek  
Colligo Networks MobileGuard U
Colocation Networks MynextMail Unify Corporation
Commtouch Software Ltd. MX Force Unify Square
CommVault MX Logic Unison Technologies
Concentric MX Tools United Messaging
Concept G LLC   Unlimi-Tech
Confident Technologies   USA.NET
ConnectSolutions N USinternetworking
Connected Corporation 3n  
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  
Exterro QUADROTech  
  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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