| # | name | members | 
|---|---|---|
| 1 | Agentis Software | [1] David Kinny | 
| 2 | AKT | [0] | 
| 3 | AOARD | [0] | 
| 4 | Arizona State University | [2] Subbarao Kambhampati; Hasan Davulcu | 
| 5 | ARO-FE | [0] | 
| 6 | ATR Intelligent Robotics and Communication Laboratories | [1] Kiyoshi Kogure | 
| 7 | BBN Technologies | [2] Mike Dean; Mark Burstein | 
| 8 | BEA Systems, Inc. | [1] Dana Florescu | 
| 9 | Bell Labs | [2] Rick Hull; Peter F. Patel-Schneider | 
| 10 | Carnegie Mellon University | [3] Norman Sadeh; Massimo Paolucci; Katia Sycara | 
| 11 | Claude Bernard University Lyon 1 | [1] Mohand Said Hacid | 
| 12 | CNAM | [3] Michel Scholl; Dan Vodislav; Bernd Amann | 
| 13 | CNR | [2] Nicola Guarino; Aldo Gangemi | 
| 14 | DERI, NUI Galway | [1] Stefan Decker | 
| 15 | Deutsches Forschungszentrum für Künstliche Intelligenz (DFKI) | [3] Thierry Declerck; Michael Sintek; Matthias Klusch | 
| 16 | Dublin City University | [1] Mark Roantree | 
| 17 | EPFL | [2] Karl Aberer; Boi Faltings | 
| 18 | Florida Institute for Human and Machine Cognition | [2] Jeffrey M. Bradshaw; Andrzej Uszok | 
| 19 | FORTH-ICS | [1] Grigoris Antoniou | 
| 20 | France Télécom | [0] | 
| 21 | Franklin W. Olin College of Engineering | [1] Lynn Andrea Stein | 
| 22 | Free University of Bozen-Bolzano | [1] Diego Calvanese | 
| 23 | Fujitsu | [3] Hiroshi Tsuda; Frank McCabe; Yannis Labrou | 
| 24 | Gakken | [1] Ken Kuriyama | 
| 25 | Galaxy Express | [0] | 
| 26 | Hewlett-Packard | [2] Ian Dickinson; Brian McBride | 
| 27 | Hewlett Packard Laboratories | [1] Kevin Wilkinson | 
| 28 | Hiroshima University | [1] Tsukasa Hirashima | 
| 29 | Hitachi | [1] Akira Maeda | 
| 30 | HP Labs Bristol | [1] Jeremy Carroll | 
| 31 | IBM | [1] Ramanathan Guha | 
| 32 | IBM Thomas J. Watson Research Center | [1] Chris Welty | 
| 33 | IJS | [1] Marko Grobelnik | 
| 34 | Information Technology Media Laboratories, Fujitsu Laboratories | [2] Kazuo Asakawa; Hiroshi Tsuda | 
| 35 | INRIA Rhône-Alpes | [2] Jerome Euzenat; Jean Francois Baget | 
| 36 | Institut AIFB, Universität Karlsruhe | [2] York Sure; Steffen Staab | 
| 37 | INTAP | [1] Akifumi Kambara | 
| 38 | Iowa State University | [1] Jie Bao | 
| 39 | ISI/USC | [3] Yolanda Gil; Robert MacGregor; Jose Luis Ambite | 
| 40 | iSOCO, S.A. | [1] Oscar Corcho | 
| 41 | Japan Advanced Institute of Science and Technology | [1] Mitsuru Ikeda | 
| 42 | Justsystem Corporation | [0] | 
| 43 | Kansai University | [1] Masahiro Hori | 
| 44 | Karlsruhe Institute of Technology | [3] Steffen Staab; Rudi Studer; Andreas Eberhart | 
| 45 | Keio University | [2] Takahira Yamaguchi; Nobuo Saitoh | 
| 46 | Knowledge Synergy | [0] | 
| 47 | Knowledge Web | [0] | 
| 48 | KTH | [1] Mihhail Matskin | 
| 49 | Kwansei Gakuin University | [1] Yasuhiko Kitamura | 
| 50 | Kyoto University | [1] Toru Ishida | 
| 51 | L3S Research Center | [1] Wolf Siberski | 
| 52 | Lehigh University | [1] Jeff Heflin | 
| 53 | Ludwig Maximilian University of Munich | [1] Francois Bry | 
| 54 | Maebashi Institute of Technology | [1] Ning Zhong | 
| 55 | Massachusetts Institute of Technology | [2] Boris Katz; Benjamin Grosof | 
| 56 | Microsoft Research | [1] Sergey Melnik | 
| 57 | Montpellier 2 University | [1] Zohra Bellahsene | 
| 58 | Nagoya University | [1] Katashi Nagao | 
| 59 | National Insititute of Advanced Industrial Science and Technology (Japan) | [2] Noriaki Izumi; Koiti Hasida | 
| 60 | National Institute of Informatics | [2] Nigel Collier; Hideaki Takeda | 
| 61 | NEC | [1] Hideo Shimazu | 
| 62 | Network Inference | [0] | 
| 63 | Nihon Unisys , Ltd. | [1] Kiyoshi Hara | 
| 64 | NIST | [1] Michael Gruninger | 
| 65 | Nisus Inc. | [1] Said Tabet | 
| 66 | Nokia | [0] | 
| 67 | Nokia Research | [1] Ora Lassila | 
| 68 | NTT | [1] Jun-ichi Akahani | 
| 69 | Ontopia | [0] | 
| 70 | Ontoprise GmbH | [1] Steffen Staab | 
| 71 | Ontotext | [0] | 
| 72 | Open Knowledge Initiative | [1] Masaki Matsudaira | 
| 73 | openRDF.org | [0] | 
| 74 | Osaka University | [3] Yoshinobu Kitamura; Riichiro Mizoguchi; Akiko Inaba | 
| 75 | Partners HealthCare System, Inc. | [1] Vipul Kashyap | 
| 76 | Philips Research | [1] Herman J. ter Horst | 
| 77 | Polytechnic University of Catalonia | [1] Steve Willmott | 
| 78 | Public Research Centre Henri Tudor | [1] Thibaud Latour | 
| 79 | SEKT project | [0] | 
| 80 | Semagix | [0] | 
| 81 | Sirma AI, Ltd. | [1] Atanas Kiryakov | 
| 82 | SRI International | [3] Vinay Chaudhri; Grit Denker; David Martin | 
| 83 | Stanford University | [5] Richard Fikes; Paulo Pinheiro da Silva; Natalya Noy; Mark A. Musen; Deborah McGuinness | 
| 84 | SWAP project | [0] | 
| 85 | Technical University of Crete | [1] Manolis Koubarakis | 
| 86 | Technical University of Madrid | [1] Asunciòn Gomez-Perez | 
| 87 | The Open University | [2] John Domingue; Enrico Motta | 
| 88 | Tokyo Institute of Technology | [1] Toshio Yokoi | 
| 89 | TopQuadrant Inc. | [1] Dean Allemang | 
| 90 | Toshiba | [1] Kazuo Sumita | 
| 91 | Toyota | [1] Shinichiro Tanaka | 
| 92 | Université de Namur | [1] Yannis Tzitzikas | 
| 93 | University at Buffalo | [1] Guizhen Yang | 
| 94 | University of Bremen | [1] Ubbo Visser | 
| 95 | University of California, Irvine | [1] Chen Li | 
| 96 | University of Colorado | [1] Roger (Buzz) King | 
| 97 | University of Crete | [1] Dimitris Plexousakis | 
| 98 | University of Cyprus | [1] Pavlos Moraitis | 
| 99 | University of Dublin | [1] Nick Kushmerick | 
| 100 | University of Freiburg | [1] Georg Lausen | 
| 101 | University of Hanover | [1] Wolfgang Nejdl | 
| 102 | University of Illinois at Chicago | [1] Isabel F. Cruz | 
| 103 | University of Illinois at Urbana–Champaign | [1] An Hai Doan | 
| 104 | University of Innsbruck | [1] Ying Ding | 
| 105 | University of Kassel | [1] Gerd Stumme | 
| 106 | University of Liverpool | [1] Michael Wooldridge | 
| 107 | University of Lyon | [2] Pierre-Antoine Champin; Djamel Zighed | 
| 108 | University of Manchester | [5] Ulrike Sattler; Sean Bechhofer; Ian Horrocks; Carole A. Goble; Alan Rector | 
| 109 | University of Maryland, Baltimore County | [3] Tim Oates; Tim Finin; Anupam Joshi | 
| 110 | University of Maryland, College Park | [1] Bijan Parsia | 
| 111 | University of North Carolina | [2] Zbigniew Ras; Fereidoon Sadri | 
| 112 | University of Orsay | [2] Marie-Christine Rousset; Chantal Reynaud | 
| 113 | University of Pennsylvania | [2] Zack Ives; Val Tannen | 
| 114 | University of Queensland | [1] Jane Hunter | 
| 115 | University of Regina | [1] Yiyu Yao | 
| 116 | University of Sheffield | [3] Kalina Bontcheva; Hamish Cunningham; Diana Maynard | 
| 117 | University of South Carolina | [1] Michael Huhns | 
| 118 | University of Southampton | [3] Wendy Hall; Terry Payne; Nigel R Shadbolt | 
| 119 | University of Southern California | [1] Craig Knoblock | 
| 120 | University of Tokyo | [1] Jun-ichi Tsujii | 
| 121 | University of Toronto | [2] Sheila McIlraith; John Mylopoulos | 
| 122 | University of Trento | [2] Paolo Bouquet; Fausto Giunchiglia | 
| 123 | University of Tsukuba | [1] Yukio Osawa | 
| 124 | University of Warsaw | [1] Andrzej Skowron | 
| 125 | University of Washington | [3] Oren Etzioni; Lucas McDowell; Alon Halevy | 
| 126 | University of Zurich | [1] Abraham Bernstein | 
| 127 | VU University Amsterdam | [4] Michel Klein; Heiner Stuckenschmidt; Guus Schreiber; Frank van Harmelen | 
| 128 | Warsaw University of Technology | [1] Henryk Rybinski | 
| 129 | Xyleme | [1] Gregory Cobena | 
| 130 | Yale University | [1] Drew McDermott |