- Coalition of Academic Supercomputing Centers (CASC)
- Computing Research Association
- Esprit -- High Performance Computing and Networking (HPCN)
- German Electron-Synchrotron
- High Performance Fortran Forum
- High Performance Computing and Networking (HPCN) Foundation, Netherlands (This site is in Dutch.)
- High Performance Computing Users Group (HPCU)
- Message Passing Interface Forum (MPIF)
- National Consortium for High Performance Computing (NCHPC)
- National Information Infrastructure Testbed
- NSF/NCSA World Wide Web Federal Consortium
- PACT (Partnership in Advanced Computing Technologies), United Kingdom
- The Parallel Tools Consortium
- PARKBENCH (PARallel Kernels and BENCHmarks) Committee
- Vector Signal Image Processing Forum (VSIP)