| Elarasys | | Supercomputers and workstations available for rent and sale. |
| Epoka Group | | Reseller of used high performance computers from a variety of manufacturers. |
| GraphStream | | Supplier visualization and high-performance computing systems. Based in Belmont, California. |
| HPTC Solutions | | Hewlett Packard's high performance computing division. Product information and support for PA-RISC, Alpha, and Pentium-based systems. |
| Linux Labs | | Integrator of second generation open source Linux-based clusters. |
| PsiTech, Inc. | | Designs and manufactures capture, storage, and display systems for supercomputers. |
| Silicon Graphics | | Manufacturer of mainframes, supercomputers, and high powered workstations. Product information, support, and image galleries of 3D images produced with SGI workstations. |
| Star Bridge Systems | | Manufactures reconfigurable supercomputers made from field programmable gate arrays. Product and contact information. |
| T-Systems hpcPortal | | Provides access to CAE applications and high performance computing resources via the Internet. Features different applications, services, and technologies. |
| Tsunamic Technologies, Inc. | | Access Beowulf clusters through the Internet. Service information, online account application, and technical support. |
| vCompute Corporation | | Offering Linux clusters for the scientific, biomedical and geophysical industry. | |
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