Technology corporations

• Agilent Technologies
• Adobe
• Ask Jeeves
• Autodesk
• Borland
• Cisco
• Citrix
• EMC
• ESRI
• Fujitsu
• GTECH
• Hewlett-Packard
• Honeywell
• Interwoven
• Intuit
• Iona
• JBoss
• KAZ Group
• Kurzweil Technologies
• Lakeview Technology
• NCR
• Novell
• Oracle
• PROSTEP
• Psion Teklogix
• Qualcomm
• Rackspace
• Real Software Group
• Requisite Technology
• Samsung
• SAP
• Siemens
• Thawte
• TietoEnator
• Tutuka
• Userland Software
• Verilet
• Verisign
• Vignette
• VMware
• Yahoo!

Fortune 500 & large corporate

• Abercrombie & Fitch
• ADP Employer Services
• AES
• Bertelsmann Media Group (BMG)
• Best Buy
• BHP Billiton
• BMW
• BP
• DaimlerChrysler
• GE
• Hertz
• Honda
• I-many
• John Deere
• KFC
• Lend Lease
• MAN
• McDonalds
• Miller Brewing Company
• Monster Worldwide
• Nikon
• NEC
• Office Depot
• Panasonic
• Patrick
• Peugeot Citroen
• Procter & Gamble
• Robert Bosch
• Shell
• Sony
• Target
• TetraPak
• The Home Depot
• Thomas Cook
• Toll Solutions
• Toyota
• TransCanada
• West Corporation

Health & biotechnology

• Becton, Dickinson and Company
• Cambridge Antibody Technology
• Cochlear
• GlaxoSmithKline
• Imclone
• Lexicon Genetics
• Novartis Pharmaceutical
• Pfizer
• ResMed
• Roche Diagnostics
• UnitedHealthcare

Universities & academia

• Australian National University
• Carnegie Mellon
• Cornell University
• Harvard University
• Hawaii University
• Hong Kong University of Science & Technology
• Miami University
• MIT
• Monash University
• National Library of Medicine
• New York University
• Rutgers University
• Stanford University
• University of California
• University of Cambridge
• University Bonn
• University of British Columbia
• University of Washington
• Yale University

Government

• Bundespolizei - German Federal Police
• Department of Agriculture and Food (Ireland)
• Deutsche Post IT Solutions
• European Commission
• European Parliament
• Ministry of Health Singapore
• National Library of Australia
• National Police Computing and Material Service (Norway)
• NSW Department of Education and Training
• Port of Seattle
• Roads and Traffic Authority (NSW, Australia)
• Queensland Office of Gaming Regulation
• Swedish Armed Forces HQ
• Treasury Corporation of Victoria
• USAID
• US Department of Energy
• US Department of Forrestries and Fishery
• US Department of Labour
• US Department of the Interior
• US Department of Transport
• US Environmental Protection Agency
• US Navy
• US Supreme Court

Non-profit and philanthropic

• British Red Cross Society
• Carbon Planet
• Development Gateway Foundation
• Gatesway Foundation
• Goodwill Industries
• Mercy Ships
• Multiple Sclerosis Society of Canada
• National Wildlife Federation
• Royal Institute for Deaf and Blind Children
• UN High Commissioner for the Refugees
• World Vision

Banking & finance

• ABN AMRO
• American Express
• BNP Paribas
• CIBC
• Citigroup
• Credit Suisse
• Dow Jones & Company
• Deutsche Bank
• E*TRADE
• European Central Bank
• Fidelity
• First Gulf Bank
• Hoovers
• HSBC
• Korea First Bank
• Merrill Lynch
• National Bank of Canada
• QBE Insurance
• Reserve Bank of NZ
• State Street
• The Bank of Tokyo-Mitsubishi
• Western Union
• World Bank
• Zions Bank

Engineering & aerospace

• Air Canada
• All Nippon Airways
• American Airlines
• Arup
• Ball Aerospace
• Boeing
• Carl Bro
• Caterpillar
• Dolby Laboratories
• EADS
• Emirates Airlines
• Industrial Scientific
• Lockheed Martin
• Lufthansa
• Mott MacDonald
• Northrop Grumman
• Pentagon Technologies
• Raytheon
• Thales

Telecommunications & media

• A&E Television Networks
• Associated Newspapers
• Audible.com
• BBC
• Bell
• CNET Networks
• Disney
• eMusic.com
• Expedia
• Fairfax Digital
• GoTV Networks
• HBO
• Hutchison
• j2 Global Communications
• KPN
• Los Angeles Times
• MusicNet
• National Hockey League
• NetByTel
• Newbury Networks
• News Interactive
• Nokia
• Oksijen
• Oxford University Press
• PCCW-HKT Telephone
• Pixar Animation Studios
• Polycom
• Saudi Telecom Company
• Sensis
• SingTel Optus
• SITA
• Sprint Nextel
• Telstra
• The Financial Times
• Universal Music
• Verizon
• Vodafone
• XM Satellite Radio
• Yellowpages.com

Science & research

• CERN
• CSIRO
• European Space Agency
• Fraunhofer-Gesellschaft
• Gemini Observatory
• Jet Propulsion Laboratory
• Lawrence Livermore National Laboratory
• NACSE
• NASA
• National Center for Supercomputer Applications
• National Radio Astronomy
• New Scientist
• Norwegian Institute for Air Research
• Poznan Supercomputing and Networking Center
• Software Engineering Institute
• Stanford Linear Accelerator

Technology startups

• Adeptra
• AutoTrader.com
• Canada Post Borderfree
• CommerceQuest
• Eutilia
• Gluecode Software
• Icon Medialab
• iFilm
• Jive Software
• Jobster
• LinkedIn
• Metreos
• MusicNet
• Notiva
• The Mind Electric
• Tickle
• Trade2B
• Unibet

Game developers

• Apogee Software
• Deadline Games
• Electronic Arts
• Exit Games
• Gas Powered Games
• Insomniac Games
• Invictus-Games
• Oberon Media
• Sulake Labs
• United Developers
• Versaly Games

Consulting

• Accenture
• Bekk Consulting
• Booz Allen Hamilton
• CIBER, Inc.
• Digitas
• Lumina Americas
• PricewaterHouseCoopers
• The Gallup Organization
• Thoughtworks

Professional associations

• American Board of Family Medicine
• American Society for Engineering Education
• Internet2
• National Board of Medical Examiners
• Open Compliance & Ethics Group
• The Royal College of Surgeons of England

Open Source orgs / projects

• Apache
• Codehaus
• Hibernate
• OpenSymphony
• Spring
• XDoclet