| Country | Rank | Manufacturer | Computer | Rmax | Installation Site | Year | Area of Installation | # Proc | Rpeak | Nmax | N1/2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Austria | 282 | IBM | SP Power3 375 MHz | 100 | Telekom Austria | 2000 | Industry Telecomm | 96 | 144 | . | . |
| Austria | 350 | SGI | ORIGIN 3000 400 MHz | 85.44 | Johannes Kepler University of Linz Linz | 2000 | Academic | 128 | 102.4 | 65536 | . |
| Belgium | 376 | IBM | SP Power3 375 MHz | 84 | Postes & Telecom | 2000 | Industry Telecomm | 80 | 120 | . | . |
| Denmark | 190 | IBM | SP Power3 375 MHz | 130 | Telecom Denmark (Danadata) | 2000 | Industry Telecomm | 126 | 189 | . | . |
| Denmark | 281 | IBM | SP Power3 375 MHz | 100 | Telecom Denmark (Danadata) | 2000 | Industry Telecomm | 96 | 144 | . | . |
| Finland | 87 | Cray Inc. | T3E750 | 284 | CSC (Center for Scientific Computing) Espoo | 2000 | Academic | 540 | 405 | . | . |
| Finland | 184 | IBM | SP Power3 375 MHz | 132 | CSC (Centre for Sientific Computing) Espoo | 2000 | Academic | 128 | 192 | 107000 | 15400 |
| France | 45 | IBM | SP Power3 375 MHz | 494 | Centre Informatique National (CINES) Montpellier | 2001 | Academic | 472 | 708 | . | . |
| France | 81 | NEC | SX-5/40M3 | 303 | CNRS/IDRIS Orsay | 2000 | Academic | 40 | 320 | . | . |
| France | 85 | Fujitsu | VPP5000/31 | 286 | Meteo-France Toulouse | 1999 | Research Weather | 31 | 297.6 | . | . |
| France | 114 | Compaq | AlphaServer SC ES40/EV67 | 211 | Commissariat a l'Energie Atomique (CEA) Grenoble | 1999 | Research Energy | 232 | 309.5 | 120000 | . |
| France | 160 | Fujitsu | VPP5000/15 | 139 | Commissariat a l'Energie Atomique (CEA) Grenoble | 1999 | Research Energy | 15 | 144 | . | . |
| France | 189 | SGI | ORIGIN 3000 500 MHz | 132 | Centre Informatique National (CINES) Montpellier | 2000 | Research | 160 | 160 | . | . |
| France | 196 | NEC | SX-5/16A | 125.8 | ONERA | 1999 | Research Aerospace | 16 | 128 | 55296 | . |
| France | 206 | IBM | SP PC604e 332 MHz | 122 | Banque National Paris | 2000 | Industry Finance | 292 | 193 | . | . |
| France | 212 | SGI | ORIGIN 2000 300 MHz | 121 | Centre Informatique National (CINES) Montpellier | 1999 | Research | 256 | 153.6 | . | . |
| France | 217 | IBM | SP PC604e 332 MHz | 120 | Alcatel | 2000 | Industry Telecomm | 288 | 191 | . | . |
| France | 230 | Cray Inc. | T3E | 117 | CNRS/IDRIS Orsay | 1996 | Academic | 268 | 160.8 | . | . |
| France | 286 | IBM | SP Power3 375 MHz | 98.2 | FT USEI | 2000 | Industry Telecomm | 94 | 141 | . | . |
| France | 292 | IBM | SP Power3 375 MHz | 96.1 | SCT Velizy | 2001 | Industry | 92 | 138 | . | . |
| France | 293 | IBM | SP Power3 375 MHz | 96.1 | SCT Velizy | 2001 | Industry | 92 | 138 | . | . |
| France | 385 | Self-made | HP e-vectra PIII 733 MHz | 81.6 | ID-IMAG / INRIA Rhone-Alpes Grenoble | 2001 | Research | 225 | 165.9 | 80370 | 23265 |
| France | 387 | Cray Inc. | T3E | 81.3 | Commissariat a l'Energie Atomique (CEA) Bruyeres | 1997 | Research | 188 | 112.8 | . | . |
| France | 409 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Automotive Acheres | 2000 | Industry Automotive | 128 | 102.4 | 57120 | 10752 |
| France | 458 | IBM | SP PC604e 332 MHz | 75.2 | FT UEI Antony | 2000 | Industry | 178 | 118 | . | . |
| France | 485 | IBM | SP Power3 375 MHz 16 way | 70.6 | Universite des Sciences et Technologies de Lille Lille | 2000 | Academic | 64 | 96 | 54000 | 11000 |
| France | 499 | IBM | SP P2SC 120 MHz | 67.8 | Centre Informatique National (CINES) Montpellier | 1999 | Academic | 207 | 99.36 | . | . |
| Germany | 12 | Hitachi | SR8000-F1/112 | 1035 | Leibniz Rechenzentrum Muenchen | 2000 | Academic | 112 | 1344 | 120000 | 15160 |
| Germany | 29 | Cray Inc. | T3E1200 | 671 | Deutscher Wetterdienst Offenbach | 1999 | Research Weather | 812 | 974.4 | . | . |
| Germany | 52 | Cray Inc. | T3E1200 | 447 | Forschungszentrum Juelich (FZJ) Juelich | 1999 | Research | 540 | 648 | 181440 | 17280 |
| Germany | 66 | Cray Inc. | T3E | 355 | Max-Planck-Gesellschaft MPI/IPP Garching | 1997 | Research | 812 | 487 | . | . |
| Germany | 67 | Cray Inc. | T3E900 | 341 | HWW/Universitaet Stuttgart Stuttgart | 1996 | Industry | 540 | 486 | . | . |
| Germany | 94 | Cray Inc. | T3E900 | 253 | ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Berlin | 1999 | Academic | 404 | 363.6 | . | . |
| Germany | 95 | IBM | SP PC604e 332 MHz | 250 | Bayer AG | 2000 | Industry Chemistry | 716 | 475 | . | . |
| Germany | 106 | Cray Inc. | T3E | 234 | Forschungszentrum Juelich (FZJ) Juelich | 1996 | Research | 540 | 324 | 86400 | 14400 |
| Germany | 112 | IBM | SP Power3 375 MHz | 212 | Bayer AG | 2000 | Industry Chemistry | 210 | 315 | . | . |
| Germany | 121 | IBM | SP Power3 375 MHz 4/16 way | 190.2 | PIK Potsdam | 2000 | Research | 200 | 300 | . | . |
| Germany | 127 | IBM | SP Power3 375 MHz | 171 | DeTeCSM | 2001 | Industry Telecomm | 168 | 252 | . | . |
| Germany | 128 | IBM | SP Power3 375 MHz | 171 | Deutsche Telekom AG Darmstadt | 2000 | Industry Telecomm | 168 | 252 | . | . |
| Germany | 133 | IBM | SP S80s 450 MHz | 167.8 | Metro MGI Informatik | 2000 | Industry | 510 | 459 | 113000 | 31000 |
| Germany | 137 | IBM | SP Power3 375 MHz | 164 | GWDG Goettingen | 2000 | Academic | 160 | 240 | . | . |
| Germany | 149 | IBM | SP PC604e 332 MHz | 151 | BASF Ludwigshafen | 2000 | Industry Chemistry | 364 | 241 | . | . |
| Germany | 156 | Self-made | CLIC PIII 800 MHz | 143.3 | Technische Universitaet Chemnitz Chemnitz | 2000 | Academic | 528 | 422 | 150000 | . |
| Germany | 159 | IBM | SP S80s 450 MHz | 139 | Bayer AG | 2000 | Industry Chemistry | 294 | 264 | . | . |
| Germany | 162 | Hewlett-Packard | V2500/HyperPlex | 138.9 | BMW AG Muenchen | 2000 | Industry Automotive | 192 | 337.9 | . | . |
| Germany | 163 | IBM | SP PC604e 332 MHz | 138 | DeTeCSM | 2000 | Industry Telecomm | 452 | 300 | . | . |
| Germany | 164 | IBM | SP PC604e 332 MHz | 138 | DeTeCSM Bielefeld | 2000 | Industry Telecomm | 452 | 300 | . | . |
| Germany | 178 | Sun | HPC 10000 400 MHz Cluster | 137.1 | MobilCom Buedelsdorf | 2001 | Industry Telecomm | 256 | 204.8 | . | . |
| Germany | 179 | Sun | HPC 10000 400 MHz Cluster | 137.1 | MobilCom Buedelsdorf | 2001 | Industry Telecomm | 256 | 204.8 | . | . |
| Germany | 188 | IBM | SP Power3 375 MHz | 132 | Universitaet/Forschungszentrum Karlsruhe Karlsruhe | 2000 | Academic | 128 | 192 | 107000 | 15400 |
| Germany | 192 | IBM | SP Power3 375 MHz | 128 | DeTeCSM | 2001 | Industry Telecomm | 124 | 186 | . | . |
| Germany | 205 | Hewlett-Packard | SuperDome/N4000/HyperPlex | 123 | VW (Volkswagen AG) Wolfsburg | 2000 | Industry Automotive | 120 | 264.9 | . | . |
| Germany | 215 | NEC | SX-5/32Me2 | 121 | HWW/Universitaet Stuttgart Stuttgart | 2000 | Industry | 32 | 128 | . | . |
| Germany | 221 | Sun | HPC 10000 400 MHz Cluster | 118.16 | Bank Munich | 2000 | Industry Finance | 192 | 153.6 | . | . |
| Germany | 238 | IBM | SP Power3 375 MHz | 116 | ThyssenKrupp Information Systems | 2000 | Industry Mechanics | 112 | 168 | . | . |
| Germany | 240 | Hitachi | SR8000/16 | 115 | HWW/Universitaet Stuttgart & DLR Stuttgart | 2000 | Industry | 16 | 128 | 42928 | 3584 |
| Germany | 251 | IBM | SP PC604e 332 MHz | 109 | ThyssenKrupp Information Systems | 2000 | Industry Mechanics | 260 | 172 | . | . |
| Germany | 252 | IBM | SP PC604e 332 MHz | 108.1 | BASF Ludwigshafen | 1998 | Industry Chemistry | 256 | 169.9 | 81460 | 14180 |
| Germany | 257 | Fujitsu | VPP700/52 | 106 | Leibniz Rechenzentrum Muenchen | 1998 | Academic | 52 | 114.4 | . | . |
| Germany | 258 | Sun | HPC 10000 400 MHz Cluster | 105.32 | Mannesmann Mobilfunk Ratingen | 2000 | Industry Telecomm | 168 | 134.4 | . | . |
| Germany | 267 | IBM | SP PC604e 332 MHz | 102 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 242 | 160 | . | . |
| Germany | 268 | IBM | SP Power3 375 MHz | 102 | OEDIV OETKER | 2001 | Industry Database | 98 | 147 | . | . |
| Germany | 277 | IBM | SP Power3 375 MHz | 100 | DaimlerChrysler Stuttgart | 2000 | Industry Automotive | 96 | 144 | . | . |
| Germany | 284 | Compaq | ALiCE EV67 616 MHz | 99.2 | Universitaet Wuppertal Wuppertal | 2000 | Academic | 128 | 157 | 57024 | 15488 |
| Germany | 290 | Self-made | Kepler PIII 650 MHz | 96.2 | Universitaet Tuebingen Tuebingen | 2000 | Academic | 196 | 127 | 109760 | 12320 |
| Germany | 294 | IBM | SP PC604e 332 MHz | 95.4 | ThyssenKrupp Information Systems | 2000 | Industry Mechanics | 226 | 149 | . | . |
| Germany | 308 | Hewlett-Packard | SuperDome | 90.9 | Government | 2001 | Classified | 64 | 141.3 | . | . |
| Germany | 309 | Hewlett-Packard | SuperDome | 90.9 | Government | 2001 | Classified | 64 | 141.3 | . | . |
| Germany | 329 | Hewlett-Packard | SuperDome | 90.9 | Universitaet Magdeburg Magdeburg | 2001 | Academic | 64 | 141.3 | . | . |
| Germany | 346 | IBM | SP PC604e 332 MHz | 87 | BMW AG Muenchen | 2000 | Industry Automotive | 206 | 136 | . | . |
| Germany | 353 | SGI | ORIGIN 3000 400 MHz | 85.44 | Technische Universitaet Dresden Dresden | 2001 | Academic | 128 | 102.4 | 65536 | . |
| Germany | 358 | Hewlett-Packard | N4000 440 MHz/HyperPlex | 84.9 | BMW AG Muenchen | 2000 | Industry Automotive | 128 | 225.2 | . | . |
| Germany | 395 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Deutsche Telekom AG Bamberg | 2000 | Industry Telecomm | 128 | 102.4 | 57120 | 10752 |
| Germany | 408 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Aerospace Company Cologne | 2000 | Industry Aerospace | 128 | 102.4 | 57120 | 10752 |
| Germany | 420 | Sun | HPC 10000 400 MHz Cluster | 80.1 | MobilCom Buedelsdorf | 2001 | Industry Telecomm | 128 | 102.4 | 5120 | 10752 |
| Germany | 431 | IBM | SP PC604e 332 MHz | 79.5 | Deutsche Bank Frankfurt | 1999 | Industry Finance | 188 | 124 | . | . |
| Germany | 436 | IBM | SP Power3 375 MHz | 77.9 | comdirekt Bank | 2000 | Industry Finance | 74 | 111 | . | . |
| Germany | 437 | IBM | SP PC604e 332 MHz | 77.8 | RWE | 2000 | Industry | 184 | 122 | . | . |
| Germany | 440 | NEC | SX-4/40H2 | 77.2 | HWW/Universitaet Stuttgart Stuttgart | 1999 | Industry | 40 | 80 | . | . |
| Germany | 442 | IBM | SP Power3 200 MHz | 76.77 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 128 | 102 | 89000 | 11500 |
| Germany | 454 | Sun | HPC 10000 400 MHz Cluster | 75.8 | T-Online Weiterstadt | 2000 | Industry Telecomm | 120 | 96 | . | . |
| Germany | 459 | Sun | HPC 10000 400 MHz Cluster | 74.89 | debis Systemhaus Stuttgart | 1999 | Industry Automotive | 120 | 96 | . | . |
| Germany | 460 | Fujitsu | VPP5000/8 | 74.8 | Universitaet/Forschungszentrum Karlsruhe Karlsruhe | 2001 | Academic | 8 | 76.8 | 85440 | 2688 |
| Germany | 466 | IBM | SP PC604e 332 MHz | 73.1 | ThyssenKrupp Information Systems | 2000 | Industry Database | 236 | 156 | . | . |
| Germany | 469 | IBM | SP PC604e 332 MHz | 71.9 | Deutsche Bank | 2000 | Industry Finance | 170 | 112 | . | . |
| Germany | 477 | IBM | SP Power3 222 MHz | 71 | European Patent Office Munich | 2000 | Government | 112 | 99.4 | . | . |
| Germany | 478 | IBM | SP Power3 375 MHz 16 way | 70.6 | BASF Ludwigshafen | 2001 | Industry Chemistry | 64 | 96 | 54000 | 11000 |
| Germany | 492 | IBM | SP PC604e 332 MHz | 69.4 | DeTeCSM Bonn | 1999 | Industry In.Pr. Service | 164 | 108 | . | . |
| Germany | 497 | IBM | SP PC604e 332 MHz | 68.5 | BASF Ludwigshafen | 1999 | Industry Chemistry | 162 | 107 | . | . |
| Germany | 498 | IBM | SP PC604e 332 MHz | 68.5 | Dregis (Dresdner global IT services) | 2000 | Industry Finance | 162 | 107 | . | . |
| Germany | 500 | IBM | SP Power3 375 MHz | 67.78 | Adam Opel AG Ruesselsheim | 2001 | Industry Automotive | 64 | 96 | 76000 | 10400 |
| Italy | 109 | Cray Inc. | T3E1200 | 221.77 | CINECA Bologna | 1999 | Academic | 268 | 321.6 | . | . |
| Italy | 165 | IBM | SP Power3 375 MHz 16 way | 138 | CINECA Bologna | 2000 | Academic | 128 | 192 | 76000 | 16000 |
| Italy | 220 | Sun | HPC 10000 400 MHz Cluster | 118.16 | Bank Milano | 2000 | Industry Finance | 192 | 153.6 | . | . |
| Italy | 234 | IBM | SP Power3 375 MHz | 116 | Ferrari | 2001 | Industry Automotive | 112 | 168 | . | . |
| Italy | 255 | SGI | ORIGIN 3000 500 MHz | 106.9 | CINECA Bologna | 2001 | Academic | 128 | 128 | 81920 | . |
| Italy | 310 | Hewlett-Packard | SuperDome | 90.9 | Government | 2001 | Classified | 64 | 141.3 | . | . |
| Italy | 397 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Internet Service Provider | 2000 | Industry WWW | 128 | 102.4 | 57120 | 10752 |
| Italy | 422 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Telecommunication Milano | 2000 | Industry Telecomm | 128 | 102.4 | 57120 | 10752 |
| Italy | 455 | Sun | HPC 10000 400 MHz Cluster | 75.8 | Telecommunication | 2000 | Industry Telecomm | 120 | 96 | . | . |
| Italy | 456 | Sun | HPC 10000 400 MHz Cluster | 75.8 | Telecommunication | 2000 | Industry Telecomm | 120 | 96 | . | . |
| Italy | 481 | IBM | SP Power3 375 MHz 16 way | 70.6 | CASPUR Rome | 2001 | Academic | 64 | 96 | 54000 | 11000 |
| Italy | 490 | IBM | SP Power3 375 MHz | 69.8 | ITS SRL Torino | 2001 | Industry | 66 | 99 | . | . |
| Luxembourg | 168 | Sun | HPC 10000 400 MHz Cluster | 137.1 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 256 | 204.8 | . | . |
| Luxembourg | 394 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 128 | 102.4 | 57120 | 10752 |
| Netherlands | 63 | SGI | ORIGIN 3000 500 MHz | 405.6 | SARA (Stichting Academisch Rekencentrum) Amsterdam | 2000 | Academic | 512 | 512 | 230000 | . |
| Netherlands | 64 | SGI | ORIGIN 3000 500 MHz | 405.6 | SARA (Stichting Academisch Rekencentrum) Amsterdam | 2000 | Academic | 512 | 512 | 230000 | . |
| Netherlands | 166 | IBM | SP Power3 375 MHz 16 way | 138 | SARA (Stichting Academisch Rekencentrum) Amsterdam | 2001 | Research | 128 | 192 | 76000 | 16000 |
| Netherlands | 200 | IBM | SP PC604e 332 MHz | 124 | Philips Lighting | 2000 | Industry Electronics | 298 | 197 | . | . |
| Netherlands | 285 | SGI | ORIGIN 2000 250/300 MHz - Eth-Cluster | 98.8 | SARA (Stichting Academisch Rekencentrum) Amsterdam | 2000 | Academic | 256 | 140 | 81920 | . |
| Netherlands | 446 | IBM | SP Power3 375 MHz | 75.9 | ABN AMBRO Bank | 2001 | Industry Finance | 72 | 108 | . | . |
| Netherlands | 453 | Sun | HPC 10000 400 MHz Cluster | 75.8 | Dutchtone Den Haag | 2000 | Industry Telecomm | 120 | 96 | . | . |
| Norway | 157 | SGI | ORIGIN 3000 400 MHz | 141 | Norwegian University of Science and Technology/NOTUR Trondheim | 2001 | Academic | 220 | 176 | . | . |
| Norway | 467 | SGI | ORIGIN 2000 300 MHz - Eth-Cluster | 72.57 | Norwegian University of Science and Technology Trondheim | 2000 | Academic | 160 | 96 | 61440 | . |
| Norway | 496 | Hewlett-Packard | SuperDome | 68.7 | University of Oslo | 2001 | Academic | 44 | 97.1 | . | . |
| Poland | 377 | SGI | ORIGIN 3000 500 MHz | 83.3 | Institute of Meteorology and Water Management (IMGW) | 2001 | Research | 100 | 100 | . | . |
| Portugal | 260 | IBM | SP Power3 375 MHz | 104 | EDINFOR | 2001 | Industry | 100 | 150 | . | . |
| Spain | 427 | SGI | ORIGIN 3000 500 MHz | 80 | CIEMAT | 2001 | Research | 96 | 96 | . | . |
| Spain | 457 | Sun | HPC 10000 400 MHz Cluster | 75.8 | Media Barcelona | 2000 | Industry | 120 | 96 | . | . |
| Sweden | 57 | Sun | HPC 4500 400 MHz Cluster | 420.44 | Defense Stockholm | 1999 | Classified | 896 | 716.8 | 144000 | 43200 |
| Sweden | 232 | Cray Inc. | T3E | 117 | National Supercomputer Centre (NSC) Linkoping | 1997 | Academic | 268 | 160.8 | . | . |
| Sweden | 451 | IBM | SP Power3 375 MHz | 75.9 | Volvo Gothenberg | 2000 | Industry Automotive | 72 | 108 | . | . |
| Sweden | 474 | SGI | ORIGIN 2000 400 MHz | 71.7 | Saab Automobile AB Trollhatten | 2000 | Industry Automotive | 112 | 89.6 | . | . |
| Switzerland | 370 | IBM | SP Power3 375 MHz | 84 | Credit Suisse Zurich | 2000 | Industry Finance | 80 | 120 | . | . |
| Switzerland | 432 | NEC | SX-5/10A | 78.6 | Swiss Scientific Computing Center (CSCS) Manno | 2001 | Research | 10 | 80 | . | . |
| Switzerland | 443 | IBM | SP Power3 200 MHz | 76.77 | IBM Research | 1999 | Research | 128 | 102 | 89000 | 11500 |
| Switzerland | 463 | Hewlett-Packard | SuperDome | 73.9 | ETH Zuerich | 2001 | Research | 48 | 105 | . | . |
| Switzerland | 476 | IBM | SP PC604e 332 MHz | 71 | Zuerich Versicherung | 2000 | Industry Database | 168 | 111 | . | . |
| Switzerland | 486 | IBM | SP PC604e 332 MHz | 70.2 | Deutsche Bank | 1999 | Industry Finance | 166 | 110 | . | . |
| UK | 16 | Fujitsu | VPP5000/100 | 886 | ECMWF Reading | 2000 | Research Weather | 100 | 960 | 195600 | 18000 |
| UK | 28 | Cray Inc. | T3E1200 | 671 | CSAR at the University of Manchester Manchester | 2000 | Academic | 812 | 974.4 | . | . |
| UK | 35 | Cray Inc. | T3E900 | 552 | United Kingdom Meteorological Office Bracknell | 1997 | Research Weather | 876 | 788.4 | . | . |
| UK | 40 | Cray Inc. | T3E1200 | 526 | United Kingdom Meteorological Office Bracknell | 1999 | Research Weather | 636 | 763.2 | . | . |
| UK | 110 | Cray Inc. | T3E900 | 218 | University of Edinburgh Edinburgh | 1997 | Academic | 348 | 313.2 | . | . |
| UK | 111 | Fujitsu | VPP700/116 | 213 | ECMWF Reading | 1997 | Research Weather | 116 | 255.2 | 111360 | 18560 |
| UK | 126 | IBM | SP Power3 375 MHz | 171 | Cambridge University Cambridge | 2001 | Academic | 168 | 252 | . | . |
| UK | 153 | IBM | SP Power3 375 MHz | 148 | University of Manchester Manchester | 2001 | Academic | 144 | 216 | . | . |
| UK | 194 | IBM | SP PC604e 332 MHz | 126 | British Airways | 1999 | Industry Transportation | 302 | 200 | . | . |
| UK | 201 | IBM | SP Power3 375 MHz | 124 | Barclays Bank | 2001 | Industry Finance | 120 | 180 | . | . |
| UK | 203 | IBM | SP Power3 375 MHz | 124 | Western Geophysical London | 2000 | Industry Geophysics | 120 | 180 | . | . |
| UK | 219 | Sun | HPC 10000 400 MHz Cluster | 118.16 | Airline London | 2000 | Industry Transportation | 192 | 153.6 | . | . |
| UK | 225 | Sun | HPC 10000 400 MHz Cluster | 118.16 | Financial Services London | 2000 | Industry Finance | 192 | 153.6 | . | . |
| UK | 236 | IBM | SP Power3 375 MHz | 116 | HSCB | 2001 | Industry | 112 | 168 | . | . |
| UK | 248 | IBM | SP P2SC 160 MHz | 109.9 | Atomic Weapons Establishment Aldermaston | 1999 | Classified | 252 | 161.2 | . | . |
| UK | 261 | IBM | SP Power3 375 MHz | 104 | HSCB | 2001 | Industry | 100 | 150 | . | . |
| UK | 275 | IBM | SP Power3 375 MHz | 100 | Barclays Bank | 2001 | Industry Finance | 96 | 144 | . | . |
| UK | 276 | IBM | SP Power3 375 MHz | 100 | Barclays Bank | 2001 | Industry Finance | 96 | 144 | . | . |
| UK | 289 | Fujitsu | VPP700/48E | 97.5 | ECMWF Reading | 1998 | Research Weather | 48 | 115.2 | . | . |
| UK | 291 | IBM | SP Power3 375 MHz | 96.1 | British Airways | 2001 | Industry Transportation | 92 | 138 | . | . |
| UK | 339 | IBM | SP Power3 375 MHz | 88 | British Airways | 2000 | Industry Transportation | 84 | 126 | . | . |
| UK | 348 | SGI | ORIGIN 3000 400 MHz | 85.44 | CSAR at the University of Manchester Manchester | 2001 | Academic | 128 | 102.4 | 65536 | . |
| UK | 354 | SGI | ORIGIN 3000 400 MHz | 85.44 | UK Astrophysical Fluids Facility/University of Leicester Leicester | 2000 | Academic | 128 | 102.4 | 65536 | . |
| UK | 383 | SGI | ORIGIN 2000 400 MHz | 81.76 | CSAR at the University of Manchester Manchester | 2000 | Academic | 128 | 102.4 | 65536 | . |
| UK | 410 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Bank London | 2000 | Industry Finance | 128 | 102.4 | 57120 | 10752 |
| UK | 412 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Consulting London | 2000 | Industry | 128 | 102.4 | 57120 | 10752 |
| UK | 416 | Sun | HPC 10000 400 MHz Cluster | 80.1 | Ford Motor Company Brentwood | 2000 | Industry Automotive | 128 | 102.4 | 57120 | 10752 |
| UK | 433 | IBM | SP P2SC 160 MHz | 78.4 | Government | 1999 | Classified | 178 | 113.9 | . | . |
| UK | 447 | IBM | SP Power3 375 MHz | 75.9 | Ensign Geophysics | 2000 | Industry Geophysics | 72 | 108 | . | . |
| UK | 452 | Sun | HPC 10000 400 MHz Cluster | 75.8 | Bank Leeds | 2000 | Industry Finance | 120 | 96 | . | . |
| UK | 488 | Sun | HPC 10000 400 MHz Cluster | 70.12 | Prudential Insurance Dudley | 1999 | Industry Database | 112 | 89.6 | . | . |