Vendors are listed in alphabetical order:

North America

Accelerated Servers
Ace Computers
Advanced Clustering Technologies
Appro
Aspen Systems
Atipa Technologies
Cepoint Networks, LLC.
HP (Hewlett-Packard)
ION Computer Systems
Livewire Lifescience Solutions
Linux Labs
Linux Networx
Microway
Paracel
Penguin Computing
Pogo Linux
Promicro
PSSC Labs
RocketCalc
Tsunamic Technologies (cluster leasing)
Verari Systems

Europe

Cluster Computing Systems
ClusterVision
Compusys plc (UK)
Craig's Planet (UK)
Quant-X (includes Middle East)
Streamline Computing (UK)

Asia

Major Linux Computing (Singapore)

Contact Ken Farmer for questions or comments. Vendors wishing to be added to the Cluster Quoter here sign up form. Also, let me know if you think an item should be added.