Carrera Computers Pentium-based Beowulf clusters. Product specs. http://www.carrera.com/

ParTec AG Sells high-performance clusters. Product and contact information. http://www.par-tec.com/

Scali AS Provides scalable Linux and Solaris based cluster computer systems ranging from high performance clustering kits to turnkey supercomputers with cluster management tools. Product information. http://www.scali.com/

Linux NetworX Custom rackmountable Linux clusters with graphical management tools. Product information and company news. http://www.linuxnetworx.com/

Paralline Linux clusters and networking hardware. Product information and company news. http://www.paralline.com/

Penguin Computing Intel-based rackmountable clusters with traffic management software. http://www.penguincomputing.com/

PSSC Labs: The Beowulf People Provides custom Beowulfs and workstations. Online quote form. http://www.pssclabs.com/

RackSaver, Inc. Specializes in Beowulf clusters with tiny footprints. Product information. http://www.racksaver.com/

Integrity Linux Customizable Linux clusters with parallel software. Product and contact information. http://www.integritylinux.com/

VA Cluster Management Cluster monitoring software. Product information, documentation, and source code available. http://www.valinux.com/software/vacm/

SA Artabel Artabel provides computing clusters and sells online access to supercomputing power. Product information and software documentation. http://www.artabel.net/

Atipa Atipa provides scalable, high performance, turnkey Alpha, AMD, and Intel-based Beowulf clusters. Product information. http://www.atipa.com/

Microway Alpha, Athlon, or Pentium Linux clusters. Product and contact information. http://www.microway.com/

Linux Computer Systems Customizable Beowulf nodes, workstations, and servers. Product and contact information. http://www.linuxcomputersystems.com/

Aspen Systems, Inc. Manufacturing, design and service of HPC clusters and other high-performance systems. http://www.aspsys.com/

hpcLine Rackmountable clusters with Myrinet interconnects. Product information and datasheets. http://www.hpcline.com/

Western Scientific, Inc. Provider of turnkey Beowulf computing cluster hardware for different platforms from Intel, AMD, Alpha, and HPC. http://www.wsm.com/

VA Linux Systems: ClusterCity Rackmountable Intel-based Beowulfs with cluster management software. Product and contact information. http://www.valinux.com/systems/clustercity.html

Atipa Technologies Specializes in the design and turn key installation of large computational clusters based on Intel, AMD, and Alpha processors. Information about products and online ordering available. http://www.atipatechnologies.com/

Armari Ltd Sells rack-mountable Intel-based computers as well as workstations and servers. Product information. http://www.armari.co.uk/