This one was announced last week and I missed it. From the press release (warning: PDF)
Cluster Resources, Inc. announced today that they have signed a reseller agreement with SGI (NASDAQ: SGIC), a leader in high-performance computing. Under the agreement, SGI will make Cluster Resources’ Moab line of products available via the SGI Professional Services organization to its customers, including Moab Cluster Suite, Moab Grid Suite and Moab Cluster Builder.
…Currently, Moab is running on the SGI systems at the National Center for Supercomputing Applications (NCSA), the University of Tokyo and the Department of Energy/Bettis Atomic Power Laboratory.
More in the release.