3COM
- AccessData
- ACI
- Acme-Packet
- ACSM
- Adobe
- AFP
- Alcatel-Lucent
- Altiris
- American College
- Android
- APC
- Apple
- ASQ
- Avaya
- BEA
- BICSI
- BlackBerry
- Blue Coat
- Business-Objects
- CheckPoint
- Cisco
- Citrix
- CIW
- COGNOS
- CompTIA
- Computer Associates
- Convergence Technologies Profession
- CWAP
- CWNP
- Dell
- EC-COUNCIL
- EMC
- Enterasys Networks
- Ericsson
- Exam Express
- EXIN
- Extreme Networks
- F5_Networks
- FileMaker
- Fortinet
- Foundry Network
- Fujitsu
- Genesys
- GIAC
- Google
- Guidance Software
- H3C
- HDI
- HIPAA
- Hitachi
- HP
- HRCI
- Huawei
- Hyperion Solutions
- IBM
- ICDL
- IIBA
- IISFA
- Intel
- ISACA
- ISEB
- Isilon
- ISM
- ISQI
- Juniper
- Legato
- Lotus
- Lpi
- LSAT
- Magento
- McAfee
- McDATA
- Mile2
- Mile2-Security
- MYSQL
- NACVA
- Network Appliance
- Network General
- Nokia
- Nortel
- Novell
- OMG
- Oracle
- Pegasystems
- Peoplecert
- PMI
- Polycom
- PostgreSQL-CE
- PRMIA
- RedHat
- RES Software
- Riverstone
- RSA
- SAIR
- SAP
- SASInstitute
- SCP
- SDI
- See-Beyond
- SNIA
- SOA Certified Professional
- SUN
- Sybase
- Symantec
- The Open Group
- Tibco
- TruSecure
- USMLE
- Veritas
- VMware
- Zend-Technologies