3Com
Accessdata Corp.
ACI
Adobe Systems, Inc.
Alcatel
Altova, Inc.
APC
Apple
Are Technologies
Ariba
ATG
BEA Systems
BMC Software, Inc.
Charles Stuart University
Check Point Software Technologies
Citrix Systems, Inc.
CIW (Internet Certification)
Clarent Corp.
Compaq Computer Corp.
CompTIA
Computer Associates
CWNP Wireless LAN Certifications
D-Link
Damgaard
Dell
EC-Council – Certified E-Business Professional
EMC
Entrasys Networks
Entrust Technologies
Ericsson
Exam Express
Exin, Inc.
Extreme Networks
Filemaker
Foundry Networks
Fujitsu Ltd. - Middleware Certification Program
Great Plains
Green Building Council of Australia
Guidance Software
HDI Worldwide
Help Desk Institute
Hewlett Packard
Hitachi Data Systems
Huawei
Hyperion Solutions
IBM (000, 001)
IFID Exam – ISMA International Securities Market Association
Igeneration (Hycurve)
IISFA
ISEB
Informix Software (660, 661)
ISM
Intel
Juniper Networks
Legato Certification Professional Program
Linux Professional Institute (LPI)
Lotus Development (190, 191)
Lucent Technologies
MCData
Microsoft
Mile2
Mile2MKI
NCR Teradata
Network Appliance
Network Associates, Inc.
Network General Corporation (Sniffer)
Nokia
Nortel Networks
Novell, Inc.
OMG
Openwave
Oracle Corp.
Palm, Inc.
Parametric Technology Corporation (PTC)
Patchlink
Peoplesoft
Pivotal Corporation
PMI – Project Management Institute
Polycom (1K0, 1K1)
Rapid Assess
Riverstone
Sair/GNU (Linux)
SAS Institute
SCO/Caldera Systems
SCP/Ascendant Learning
Seebeyond
SNIA Certification Program
Sun Microsystems
SUSE
SyBASE, Inc.
Symantec, Inc.
Telecommunications Industry Association
Tibco Software, Inc.
Trend Micro
Trusecure (TISCA)
Unisys
Universitas 21 Global
Vignette Software
Wind River Systems, Inc.
XML Master Certification