BlueGene/L - eServer Blue Gene Solution
                    IBM
Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core
                    Cray/HPE
BGW - eServer Blue Gene Solution
                    IBM
ASC Purple - eServer pSeries p5 575 1.9 GHz
                    IBM
MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet
                    IBM
Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband
                    Dell EMC
Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics
                    Atos
Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband
                    HPE
TSUBAME Grid Cluster - Sun Fire x4600 Cluster, Opteron 2.4/2.6 GHz and ClearSpeed Accelerator, Infiniband
                    NEC/Sun
Jaguar - Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
Jaws - PowerEdge 1955, 3.0 GHz, Infiniband
                    Dell EMC
Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband
                    Dell EMC
JUBL - eServer Blue Gene Solution
                    IBM
Earth-Simulator
                    NEC
Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
Cray XT4, 2.6 GHz
                    Cray/HPE
Stella - eServer Blue Gene Solution
                    IBM
HLRB-II - Altix 4700 1.6 GHz
                    HPE
Thunder - Intel Itanium2 Tiger4  1.4GHz - Quadrics
                    California Digital Corporation
Darwin - PowerEdge 1950, 3.0 GHz, Infinipath
                    ClusterVision/Dell
Blue Protein - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
KEK/BG Sakura - eServer Blue Gene Solution
                    IBM
KEK/BG MOMO - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
Sapphire - Cray XT3, 2.6 GHz
                    Cray/HPE
Lincoln - PowerEdge 1955, 2.66 GHz, Infiniband
                    Dell EMC
MACH5 - Apple XServe, 2.0 GHz, Myrinet
                    Self-made
Cray X1E (4GB)
                    Cray/HPE
Humvee - Evolocity II (LS Supersystem)
                    Linux Networx
Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet
                    IBM
Cray X1E (2GB)
                    Cray/HPE
Altix 4700 1.6 GHz
                    HPE
BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
ASCI Q - AlphaServer SC45, 1.25 GHz
                    HPE
HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet
                    Oracle
Intimidata - eServer Blue Gene Solution
                    IBM
eServer pSeries p5 575 1.5 GHz
                    IBM
BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband
                    IBM
Marylou4 - PowerEdge 1955, 2.66 GHz, GigEthernet
                    Dell EMC
BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
                    IBM
System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE
                    Self-made
eServer pSeries p5 575 1.9 GHz
                    IBM
Altix 4700 1.6 GHz
                    HPE
Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband
                    HPE
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom)
                    IBM/ LLNL
John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet
                    Linux Networx
blueice - eServer pSeries p5 575 1.9 GHz
                    IBM
PACS-CS - PACS-CS, low voltage Xeon 2.8 GHz,  3D Hyper-Crossbar
                    Hitachi/Fujitsu
eServer pSeries 655 (1.7 GHz Power4+)
                    IBM
eServer pSeries 655 (1.7 GHz Power4+)
                    IBM
Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet
                    Dell EMC
Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics
                    DALCO AG Switzerland
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
KEK/BG UME - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM/ LLNL
eServer pSeries 690 (1.9 GHz Power4+)
                    IBM
DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+)
                    IBM
SR11000-K1/80
                    Hitachi
SR11000-K1/80
                    Hitachi
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
SX8/576M72
                    NEC
RIKEN Super Combined Cluster
                    Fujitsu
Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics
                    HPE
BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband
                    IBM
Endeavor - Intel Cluster, Xeon 3.0 GHz dual core, Infiniband
                    Intel
BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet
                    IBM
CITerra - PowerEdge 1850, 3.2 GHz, Myrinet
                    Dell EMC
eServer pSeries p5 575 1.9 GHz
                    IBM
Cluster Platform 4000 BL465c Opteron Dual Core 2.6 GHz Infiniband
                    HPE
Zeus - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband
                    Cray/HPE
Dawning 4000A, Opteron 2.2 GHz, Myrinet
                    Dawning
Lightning - Opteron 2 GHz, Myrinet
                    Linux Networx
Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
                    HPE
BigBen - Cray XT3, 2.4 GHz
                    Cray/HPE
Cluster Platform 4000 DL145 Opteron 2.8 GHz Infiniband
                    HPE
U2 - PowerEdge SC1425 3.2 GHz, Myrinet
                    Dell EMC
MCR Linux Cluster Xeon 2.4 GHz - Quadrics
                    Linux Networx/Quadrics
Cluster Platform 3000 DL380 Xeon 51xx 3.0 Ghz, Infiniband
                    HPE
ASCI White, SP Power3 375 MHz
                    IBM
Seaborg - SP Power3 375 MHz 16 way
                    IBM
TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet
                    IBM
eServer Opteron 2.2 GHz. Myrinet
                    IBM
Cray XT3, 2.6 GHz
                    Cray/HPE
Kaon - Opteron 2.0 GHz, Infiniband
                    Self-made
Mp - PowerEdge SC1425 3.6 GHz- Infiniband
                    Dell EMC
PRIMEPOWER HPC2500 (2.08 GHz)
                    Fujitsu
Coyote A - Opteron 2.6 GHz, Infiniband
                    Linux Networx
MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
                    IBM
BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
                    IBM