| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 101 | IBM Thomas J. Watson Research Center United States | SP Power3 375 MHz 16 way IBM | 520 | 2002 | 554 | 780 |
| 102 | Deutsche Telekom AG Germany | SP Power3 375 MHz IBM | 528 | 2000 | 553 | 792 |
| 103 | Wright-Patterson Air Force Base/DoD ASC United States | SP Power3 375 MHz IBM | 528 | 2000 | 553 | 792 |
| 104 | United Kingdom Meteorological Office United Kingdom | T3E900 Cray Inc. | 876 | 1997 | 552 | 788.4 |
| 105 | State Farm United States | SP Power3 375 MHz IBM | 520 | 2001 | 546 | 780 |
| 106 | Petroleum Company (G) Saudia Arabia | SP Power3 375 MHz 16 way IBM | 512 | 2001 | 546 | 768 |
| 107 | US Army Research Laboratory (ARL) United States | SP Power3 375 MHz 16 way IBM | 512 | 2000 | 546 | 768 |
| 108 | Wright-Patterson Air Force Base/DoD ASC United States | AlphaServer SC45, 1 GHz Hewlett-Packard | 324 | 2002 | 540 | 648 |
| 109 | Los Alamos National Laboratory United States | ASCI Q - AlphaServer SC45, 1.25 GHz Hewlett-Packard | 256 | 2002 | 538.4 | 640 |
| 110 | Pharmaceutical Company Germany | SP Power3 375 MHz IBM | 510 | 2001 | 536 | 765 |
| 111 | Indiana University United States | SP Power3 375 MHz IBM | 508 | 2001 | 534 | 762 |
| 112 | United Kingdom Meteorological Office United Kingdom | T3E1200 Cray Inc. | 636 | 1999 | 526 | 763.2 |
| 113 | NASA/Goddard Space Flight Center United States | T3E Cray Inc. | 1356 | 2000 | 525 | 813.6 |
| 114 | OverWrite United Kingdom | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 256 | 2002 | 524.3 | 896 |
| 115 | State Farm United States | SP Power3 375 MHz IBM | 488 | 2001 | 512 | 732 |
| 116 | Hewlett-Packard United States | AlphaServer SC ES40/EV67 Hewlett-Packard | 512 | 2000 | 507.6 | 682.66 |
| 117 | Lawrence Livermore National Laboratory United States | AlphaServer SC ES40/EV67 Hewlett-Packard | 512 | 2000 | 507.6 | 682.66 |
| 118 | National Aerospace Laboratory of Japan Japan | SX-6/64M8 NEC | 64 | 2002 | 495.2 | 512 |
| 119 | National Institute for Environmental Studies Japan | SX-6/64M8 NEC | 64 | 2002 | 495.2 | 512 |
| 120 | Centre Informatique National (CINES) France | SP Power3 375 MHz IBM | 472 | 2001 | 494 | 708 |
| 121 | Nagoya University Japan | VPP5000/56 Fujitsu | 56 | 1999 | 492 | 537.6 |
| 122 | Kyoto University Japan | VPP800/63 Fujitsu | 63 | 1999 | 482 | 504 |
| 123 | Umea University / HPC2N Sweden | AMD 1.66 GHz - SCI 3D-torus Self-made | 240 | 2002 | 481 | 800 |
| 124 | Lawrence Livermore National Laboratory United States | SP Power3 375 MHz 16 way IBM | 448 | 2001 | 480 | 672 |
| 125 | Hewlett-Packard United States | SuperDome 750 MHz/HyperFabric Hewlett-Packard | 256 | 2002 | 470.9 | 768 |
| 126 | Lawrence Livermore National Laboratory United States | ASCI Blue-Pacific CTR, IBM SP 604e IBM | 1344 | 1998 | 468.2 | 892.4 |
| 127 | Applera/Celera Genomics United States | pSeries 690 Turbo 1.3GHz IBM | 160 | 2002 | 468 | 832 |
| 128 | IKON United States | pSeries 690 Turbo 1.3GHz IBM | 160 | 2002 | 468 | 832 |
| 129 | Government United States | ORIGIN 3000 600 MHz SGI | 512 | 2002 | 466 | 614.4 |
| 130 | Norwegian University of Science and Technology Norway | ORIGIN 3000 600 MHz SGI | 512 | 2002 | 466 | 614.4 |
| 131 | Hewlett-Packard United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 256 | 2002 | 449.4 | 768 |
| 132 | Tsukuba Advanced Computing Center - TACC/AIST Japan | SR8000/64 Hitachi | 64 | 1999 | 449 | 512 |
| 133 | Cray Inc. United States | T3E1200 Cray Inc. | 540 | 1998 | 447 | 648 |
| 134 | Forschungszentrum Juelich (FZJ) Germany | T3E1200 Cray Inc. | 540 | 1999 | 447 | 648 |
| 135 | Government United States | T3E1200 Cray Inc. | 540 | 1998 | 447 | 648 |
| 136 | Government United States | T3E1200 Cray Inc. | 540 | 1999 | 447 | 648 |
| 137 | Government United States | T3E1200 Cray Inc. | 540 | 2001 | 447 | 648 |
| 138 | University of Nebraska United States | Prairiefire AMD 1.4 GHz - Myrinet Atipa Technology | 256 | 2002 | 442.5 | 716.8 |
| 139 | Financial Institution Hong Kong | SP Power3 375 MHz IBM | 424 | 2000 | 441 | 636 |
| 140 | University of Kentucky United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 224 | 2001 | 431.7 | 672 |
| 141 | Government United States | pSeries 690 Turbo 1.3GHz GigEth IBM | 176 | 2002 | 430 | 915.2 |
| 142 | Postbank Germany | pSeries 690 Turbo 1.3GHz GigEth IBM | 176 | 2002 | 430 | 915.2 |
| 143 | Commissariat a l'Energie Atomique (CEA) France | AlphaServer SC40, 833 MHz Hewlett-Packard | 318 | 2000 | 427.4 | 529.8 |
| 144 | Defense Sweden | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 1999 | 420.44 | 716.8 |
| 145 | Service Provider United States | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 2000 | 420.44 | 716.8 |
| 146 | Service Provider United States | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 2000 | 420.44 | 716.8 |
| 147 | Sun United States | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 2000 | 420.44 | 716.8 |
| 148 | Energy Company (A) Italy | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 192 | 2002 | 417.3 | 672 |
| 149 | Telecom Italia Italy | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 192 | 2002 | 417.3 | 672 |
| 150 | Centre Informatique National (CINES) France | ORIGIN 3000 500 MHz SGI | 512 | 2002 | 405.6 | 512 |
| 151 | Fleet Numerical Meteorology and Oceanography Center United States | ORIGIN 3000 500 MHz SGI | 512 | 2001 | 405.6 | 512 |
| 152 | Government United States | ORIGIN 3000 500 MHz SGI | 512 | 2002 | 405.6 | 512 |
| 153 | Japan Atomic Energy Research Institute Japan | ORIGIN 3000 500 MHz SGI | 512 | 2001 | 405.6 | 512 |
| 154 | Kyoto University, Institute for Chemical Research Japan | ORIGIN 3000 500 MHz SGI | 512 | 2002 | 405.6 | 512 |
| 155 | Los Alamos National Laboratory United States | ORIGIN 3000 500 MHz SGI | 512 | 2002 | 405.6 | 512 |
| 156 | Manufacturing Company United States | ORIGIN 3000 500 MHz SGI | 512 | 2002 | 405.6 | 512 |
| 157 | SARA (Stichting Academisch Rekencentrum) Netherlands | ORIGIN 3000 500 MHz SGI | 512 | 2000 | 405.6 | 512 |
| 158 | SARA (Stichting Academisch Rekencentrum) Netherlands | ORIGIN 3000 500 MHz SGI | 512 | 2000 | 405.6 | 512 |
| 159 | I2 Technologies Inc. United States | pSeries 690 1.1GHz IBM | 160 | 2002 | 396 | 704 |
| 160 | EDINFOR Portugal | SP Power3 375 MHz IBM | 380 | 2002 | 393 | 570 |
| 161 | KISTI Supercomputing Center Korea, South | pSeries 690 Turbo 1.3GHz IBM | 128 | 2002 | 378.2 | 665.6 |
| 162 | Logicon United States | pSeries 690 Turbo 1.3GHz IBM | 128 | 2002 | 378.2 | 665.6 |
| 163 | SARA/IC3A (Stichting Academisch Rekencentrum) Netherlands | pSeries 690 Turbo 1.3GHz IBM | 128 | 2002 | 378.2 | 665.6 |
| 164 | US Department of the Treasury United States | pSeries 690 Turbo 1.3GHz IBM | 128 | 2002 | 378.2 | 665.6 |
| 165 | Wachovia Corporation United States | pSeries 690 Turbo 1.3GHz IBM | 128 | 2002 | 378.2 | 665.6 |
| 166 | Center for Computational Science, University of Tsukuba Japan | CP-PACS/2048 Hitachi/Tsukuba | 2048 | 1996 | 368.2 | 614.4 |
| 167 | Geoscience (C) United Kingdom | Netfinity Cluster PIII 1.4 GHz - Eth IBM | 1280 | 2002 | 366 | 1792 |
| 168 | Mississippi State University United States | Netfinity Cluster PIII 1/1.26 GHz - Eth IBM | 1024 | 2002 | 366 | 1144 |
| 169 | Centrica Plc United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 192 | 2002 | 361.4 | 576 |
| 170 | Hewlett-Packard United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 192 | 2002 | 361.4 | 576 |
| 171 | Universitaet Aachen/RWTH Germany | Fire 15K Sun Microsystems | 288 | 2002 | 357.1 | 518.4 |
| 172 | Pennsylvania State University United States | PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet Dell | 162 | 2002 | 356.1 | 777.6 |
| 173 | Systems Research Group, University of Hong Kong Hong Kong | Gideon 300 Cluster P4 2 GHz Fast Ethernet Self-made | 300 | 2002 | 355.5 | 600 |
| 174 | Max-Planck-Gesellschaft MPI/IPP Germany | T3E Cray Inc. | 812 | 1997 | 355 | 487.2 |
| 175 | FBI United States | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 160 | 2002 | 351.1 | 560 |
| 176 | NRI for Earth Science and Disaster (NIED) Japan | VPP5000/38 Fujitsu | 38 | 2002 | 351.1 | 364.8 |
| 177 | Japan Marine Science and Technology Japan | AlphaServer SC40, 833 MHz Hewlett-Packard | 256 | 2001 | 349.9 | 426.5 |
| 178 | Los Alamos National Laboratory United States | AlphaServer SC40, 833 MHz Hewlett-Packard | 256 | 2001 | 349.9 | 426.5 |
| 179 | Center for Astrophysics and Supercomputing, Swinburne UT Australia | PowerEdge 2650/Prec. Workst. 530 Cluster P4 Xeon 2.2/2.0 GHz - GigE Dell | 180 | 2002 | 343.4 | 768 |
| 180 | HWW/Universitaet Stuttgart Germany | T3E900 Cray Inc. | 540 | 1996 | 341 | 486 |
| 181 | Pittsburgh Supercomputing Center United States | T3E900 Cray Inc. | 540 | 1998 | 341 | 486 |
| 182 | ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Germany | T3E900 Cray Inc. | 540 | 1999 | 341 | 486 |
| 183 | Bank of America United States | pSeries 690 Turbo 1.3GHz IBM | 112 | 2002 | 330 | 582.4 |
| 184 | EDS United States | pSeries 690 Turbo 1.3GHz IBM | 112 | 2002 | 330 | 582.4 |
| 185 | University of Minnesota/Supercomputing Institute United States | SP Power3 375 MHz IBM | 322 | 2000 | 330 | 483 |
| 186 | University at Buffalo, SUNY, Center for Computational Res. United States | PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - GigE Dell | 200 | 2002 | 327.9 | 960 |
| 187 | Maui High-Performance Computing Center (MHPCC) United States | SP Power3 375 MHz IBM | 320 | 2000 | 327 | 480 |
| 188 | Petroleum Company (G) Saudia Arabia | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 2048 | 2001 | 326 | 2314 |
| 189 | WesternGeco United States | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 1040 | 2002 | 326 | 1175 |
| 190 | Compagnie Generale de Geophysique (CGG) United Kingdom | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 1024 | 2002 | 326 | 1157 |
| 191 | Compagnie Generale de Geophysique (CGG) United Kingdom | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 1024 | 2002 | 326 | 1157 |
| 192 | Geoscience (C) Egypt | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 1024 | 2001 | 326 | 1157 |
| 193 | Shell Netherlands | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 1024 | 2002 | 326 | 1157 |
| 194 | Doshisha University Japan | Xenia / IBM Intellistation Xeon 2.4 GHz Myrinet Self-made | 128 | 2002 | 323.7 | 614.4 |
| 195 | High Performance Computing Virtual Laboratory Canada | Fire 15k/Fire 6800/Sun Fire Link Sun Microsystems | 336 | 2002 | 321 | 633 |
| 196 | University of Oklahoma United States | P4 Xeon Cluster 2 GHz - Myrinet Aspen Systems Inc. | 264 | 2002 | 320.8 | 1056 |
| 197 | Institute of Physical and Chemical Res. (RIKEN) Japan | VPP700/160E Fujitsu | 160 | 1999 | 319 | 384 |
| 198 | CSAR at the University of Manchester United Kingdom | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 199 | ERDC MSRC United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 200 | Energy Company (C) United States | ORIGIN 3000 400 MHz SGI | 512 | 2002 | 315.5 | 409.6 |
| 201 | NASA/Ames Research Center/NAS United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 202 | NASA/Goddard Space Flight Center United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 203 | Silicon Graphics United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 204 | US Army Research Laboratory (ARL) United States | ORIGIN 3000 400 MHz SGI | 512 | 2000 | 315.5 | 409.6 |
| 205 | Communications Res. Lab. (CRL) Japan | SX-6/40M5 NEC | 40 | 2002 | 311.7 | 320 |
| 206 | Scalable Systems Group, Dell Computer United States | PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet Dell | 128 | 2002 | 308.3 | 614.4 |
| 207 | Fidelity Investments United States | pSeries 690 Turbo 1.3GHz IBM | 104 | 2002 | 308 | 540.8 |
| 208 | ERDC MSRC United States | SP Power3 222 MHz IBM | 512 | 2000 | 307.6 | 454.6 |
| 209 | Government United States | pSeries 690 Turbo 1.3GHz GigEth IBM | 128 | 2002 | 306.4 | 665.6 |
| 210 | Government United States | ORIGIN 3000 500 MHz SGI | 384 | 2002 | 306.3 | 384 |
| 211 | NRI for Earth Science and Disaster (NIED) Japan | ORIGIN 3000 500 MHz SGI | 384 | 2002 | 306.3 | 384 |
| 212 | Norwegian University of Science and Technology Norway | ORIGIN 3000 500 MHz SGI | 384 | 2001 | 306.3 | 384 |
| 213 | CNRS/IDRIS France | SX-5/40M3 NEC | 40 | 2000 | 303 | 320 |
| 214 | University of California - Santa Cruz United States | Upsand - RS1100 AMD 1.4 GHz - Dolphin Verari Systems | 264 | 2002 | 301.8 | 739.2 |
| 215 | NASA/Ames Research Center/NAS United States | ORIGIN 2000 400 MHz SGI | 512 | 2000 | 300.2 | 409.6 |
| 216 | Nanyang Technological University - BIRC Singapore | AlphaServer SC45, 1 GHz Hewlett-Packard | 176 | 2002 | 299.7 | 352 |
| 217 | Agilent United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 144 | 2001 | 296.2 | 432 |
| 218 | Central Research Institute of Electric Power Industry/CRIEPI Japan | VPP5000/32 Fujitsu | 32 | 2000 | 296.1 | 307.2 |
| 219 | PGS United States | SP Power3 375 MHz IBM | 290 | 2001 | 295 | 435 |
| 220 | Geoscience (C) United Kingdom | Netfinity Cluster PIII 1 GHz - Eth IBM | 1040 | 2001 | 289 | 1040 |
| 221 | WesternGeco United States | Netfinity Cluster PIII 1 GHz - Eth IBM | 1040 | 2002 | 289 | 1040 |
| 222 | Compagnie Generale de Geophysique (CGG) United Kingdom | Netfinity Cluster PIII 1 GHz - Eth IBM | 1024 | 2001 | 289 | 1024 |
| 223 | Pemex Gas Mexico | Netfinity Cluster PIII 1 GHz - Eth IBM | 1024 | 2002 | 289 | 1024 |
| 224 | Shell Netherlands | Netfinity Cluster PIII 1 GHz - Eth IBM | 1024 | 2001 | 289 | 1024 |
| 225 | US Army Space and Missile Defense Command United States | SP Power3 375 MHz IBM | 284 | 2000 | 288 | 426 |
| 226 | BMW AG Germany | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 286 | 448 |
| 227 | BMW AG Germany | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 286 | 448 |
| 228 | Centrica Plc United Kingdom | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 286 | 448 |
| 229 | Samsung SDS Korea, South | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 286 | 448 |
| 230 | Verizon SCell United States | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 286 | 448 |
| 231 | Verizon SCell United States | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 286 | 448 |
| 232 | Meteo-France France | VPP5000/31 Fujitsu | 31 | 1999 | 286 | 297.6 |
| 233 | UCSD/Cal-IT^2/SDSC United States | COMPAS-ECCO meta cluster, PIII 1 GHz, Myrinet, Rocks IBM | 480 | 2002 | 285.9 | 480 |
| 234 | Continental Teves AG Germany | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 285.8 | 448 |
| 235 | DeTeCSM Germany | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 285.8 | 448 |
| 236 | DeTeCSM Germany | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 285.8 | 448 |
| 237 | Telecom Italia Mobile Italy | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 285.8 | 448 |
| 238 | Maui High-Performance Computing Center (MHPCC) United States | Netfinity Cluster PIII 933 MHz - Myrinet IBM | 520 | 2001 | 285 | 485.16 |
| 239 | Advanced Info Service Thailand | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 284.4 | 448 |
| 240 | Voicestream Wireless United States | SuperDome 875 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 284.4 | 448 |
| 241 | CSC (Center for Scientific Computing) Finland | T3E750 Cray Inc. | 540 | 2000 | 284 | 405 |
| 242 | Institute for Molecular Science Japan | VPP5000/30 Fujitsu | 30 | 2000 | 277 | 288 |
| 243 | Geoscience (C) Egypt | Netfinity Cluster PIII 933 MHz - Eth IBM | 1024 | 2002 | 269 | 955.3 |
| 244 | NCSA United States | ORIGIN 2000 195/250 MHz SGI | 1024 | 1998 | 264.9 | 327.68 |
| 245 | Oak Ridge National Laboratory United States | AlphaServer SC ES40/EV67 Hewlett-Packard | 256 | 2000 | 263.6 | 341.33 |
| 246 | Pittsburgh Supercomputing Center United States | AlphaServer SC ES40/EV67 Hewlett-Packard | 256 | 2000 | 263.6 | 341.33 |
| 247 | DeTeCSM Germany | SP Power3 375 MHz IBM | 260 | 2001 | 262 | 390 |
| 248 | Hewlett-Packard United States | rp8400 750 MHz/HyperFabric Hewlett-Packard | 128 | 2002 | 261.1 | 384 |
| 249 | Purdue University United States | SP Power3 375 MHz IBM | 256 | 2000 | 257 | 384 |
| 250 | Meteorological Research Institute/JMA Japan | SR8000/36 Hitachi | 36 | 1999 | 255 | 288 |
| 251 | Hewlett-Packard United States | SuperDome 750 MHz/HyperFabric Hewlett-Packard | 128 | 2002 | 254.9 | 384 |
| 252 | BMW AG Germany | rp8400 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 251.1 | 384 |
| 253 | Chemical Company Germany | SP PC604e 332 MHz IBM | 716 | 2000 | 250 | 475.4 |
| 254 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.3 | 384 |
| 255 | Beijing Social Insurance China | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 245.3 | 384 |
| 256 | Belgacom Belgium | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.3 | 384 |
| 257 | Belgacom Belgium | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.3 | 384 |
| 258 | EDS United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 245.3 | 384 |
| 259 | France Telecom France | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 245.3 | 384 |
| 260 | Netsiel S.P.A. Italy | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.3 | 384 |
| 261 | Omnitel Pronto Italia Italy | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.3 | 384 |
| 262 | debis Systemhaus Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 245.3 | 384 |
| 263 | Government United States | ORIGIN 3000 600 MHz SGI | 256 | 2002 | 245.2 | 307.2 |
| 264 | Government United States | ORIGIN 3000 600 MHz SGI | 256 | 2002 | 245.2 | 307.2 |
| 265 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | ORIGIN 3000 600 MHz SGI | 256 | 2001 | 245.2 | 307.2 |
| 266 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | ORIGIN 3000 600 MHz SGI | 256 | 2001 | 245.2 | 307.2 |
| 267 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | ORIGIN 3000 600 MHz SGI | 256 | 2001 | 245.2 | 307.2 |
| 268 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | ORIGIN 3000 600 MHz SGI | 256 | 2001 | 245.2 | 307.2 |
| 269 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | ORIGIN 3000 600 MHz SGI | 256 | 2001 | 245.2 | 307.2 |
| 270 | Silicon Graphics United States | ORIGIN 3000 600 MHz SGI | 256 | 2002 | 245.2 | 307.2 |
| 271 | ABN AMRO United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 272 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 273 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 274 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 275 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 276 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 277 | BMW AG Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 278 | Banca Sella Italy | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 279 | Centrica Plc United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 280 | Centrica Plc United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 281 | EDS United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 282 | Hutchison H3G United Kingdom | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 283 | IS Informationssysteme II Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 284 | Itellium Systems Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 245.1 | 384 |
| 285 | Magirus International Germany | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 286 | Sprint PCS United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 287 | Verizon United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 288 | WIND Telecom S.P.A. Italy | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 289 | Wachovia Corporation United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 290 | Wachovia Corporation United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 245.1 | 384 |
| 291 | PGS United States | Netfinity Cluster PIII 1.13 GHz - Eth IBM | 768 | 2002 | 245 | 867.8 |
| 292 | Tohoku University Japan | SX-4/128H4 NEC | 128 | 1997 | 244 | 256 |
| 293 | CIE Gegetel SI France | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 243.8 | 384 |
| 294 | Manufacturing Company United States | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2002 | 243.8 | 384 |
| 295 | Telecom Italia Italy | SuperDome 750 MHz/HyperPlex Hewlett-Packard | 128 | 2001 | 243.8 | 384 |
| 296 | Tohoku University, Institute of Fluid Science Japan | ORIGIN 2000 300 MHz SGI | 640 | 2000 | 241.4 | 384 |
| 297 | NASA/Ames Research Center/NAS United States | ORIGIN 2000 300 MHz SGI | 512 | 1999 | 241.4 | 307.2 |
| 298 | Bureau of Meteorology / CSIRO HPCCC Australia | SX-5/32M2 NEC | 32 | 2000 | 241.4 | 256 |
| 299 | Meteorological Service of Canada (MSC) Canada | SX-5/32M2 NEC | 32 | 1999 | 241.4 | 256 |
| 300 | National Research Institute for Metals Japan | SX-5/32H2 NEC | 32 | 2000 | 241.4 | 256 |