ISOLThailand

ISOL offers the training following certification courses:

Cisco certifications:

CCNA training: Cisco Certified Network Associate. 
CCNA Security training
CCNA Voice training

CCNP training : Cisco Certified Network Professional 
CCIP training:  Cisco Certified Internetwork Professional  
CCNP Security training / CCSP training: Cisco Certified Network Professional -- Security 
CCNP Voice training / CCVP training: Cisco Cisco Certified Network Professional --Voice 

CCIE training
CCIE training (Plus): End to end 12 week coaching focused on CCIE Lab exam
CCIE Security training 
CCIE Voice training 

Microsoft certifications: 

MCITP: MCITP Server Administrator Boot Camp Training -- Windows Server 2008 
MCITP: MCITP Enterprise Administrator Boot Camp Training -- Windows Server 2008 

CheckPoint certifications: 
CCSA

Red Hat:

RHCSA : Red Hat Certified System Administrator  
RHCE : Red Hat Certified Engineer 

EC-council: 
CEH: Certified Ethical Hacker