| 3 M Company USA | "Innovative Systems, Inc. USA" | Smithsonian Astrophysical Obs. USA | Korea Academy of Ind. Tech. KOREA |
| Abbott Laboratories USA | Institute for Scientific Research USA | Smithsonian Environmental Res USA | Korea Basic Science Institute KOREA |
| "Aeromet, Inc. USA" | Iowa State Univesity USA | Sonntek USA | Korea Res. Inst. of Standards KOREA |
| Aerospace Corporation USA | James Madison University USA | South Dakota University USA | LG Chemical Ltd. KOREA |
| Air Force Institute of Technology USA | JayCor USA | Southwest Texas State University USA | Pillip Trading Co KOREA |
| Air Products & Chemicals USA | Jet Propulsion Laboratory USA | Spectral Energy Corporation USA | Pohang Accelerator Lab KOREA |
| Alameda Applied Science Corp. USA | Jobin Yvon USA | Spica Technologies USA | POSTECH KOREA |
| Albert Einstein College of Med. USA | Johns Hopkins University USA | SSRL USA | Samjoong Science Corporation KOREA |
| Allergan USA | Kansas State University USA | St. Cloud State University USA | "Samsung Electronics Co., Ltd. KOREA" |
| Allied Laboratories Corp. USA | Kappa Laboratories USA | St. Joseph's Hospital USA | Seoul National University KOREA |
| Ames Laboratory USA | Kappa Laboratories USA | St. Vincent Mercy Medical Center USA | Hiroshima University JAPAN |
| Amgen Inc. USA | Kellog Eye Center USA | Stanford Linear Accelerator Center USA | Natl. Inst. for Fusion Science JAPAN |
| Amtx Inc. USA | Kirtland AFB USA | Stanford Synchrotron Radiation Lab USA | Nikon Corporation JAPAN |
| Analytic BioSciences USA | Kirtland Airforce Base RETURNED USA | Stanford University USA | "Nissei Sangyo Co., Ltd. JAPAN" |
| Andover Corp. USA | "Kromtec II, Inc. USA" | State of Louisiana USA | Shimadzu Corporation JAPAN |
| Andrews Air force Base USA | Krueger Food Labs. USA | Stevens Institute of Technology USA | "Tokyo Instruments, Inc JAPAN" |
| Applied Analytical Industries USA | LA County of Health USA | SUNY @ Buffalo USA | Toshiba Corporation JAPAN |
| Argonne National Laboratory USA | Labtronix USA | SUNY @ Old Westbury USA | INFM - TASC ITALY |
| Arizona State University USA | Lachat Instruments USA | SUNY @ Potsdam USA | IPCF Area della Ricerca di Pisa ITALY |
| Arkansas State University USA | Lambda Physik USA | SUNY @ Stony Brook USA | Istituto Di Fisica Dell' Atmosfera ITALY |
| Barr Associates USA | "Lamda Pacific, Inc. USA" | Supreme Technology USA | Istituto Gas Ionizzati - CNR ITALY |
| Baxter Healthcare Corporation USA | Lawrence Berkeley Natl. Lab. USA | Swarthmore College USA | Ist. Nazionale di Fisica Nucleare ITALY |
| Boston University USA | Lawrence Livermore Natl. Lab USA | Symyx Technologies USA | Osservatorio Astronomico ITALY |
| Bristol Myers Squibb USA | LiCor Incorporated USA | Syracuse University USA | Universita Degli Studi ITALY |
| Buffalo State College USA | Lockheed Martin Energy Systems USA | Teledyne Brown Engineering USA | Universita di Pisa ITALY |
| Central California Res. Laboratory USA | Locktite USA | Temple University USA | University di Pavia ITALY |
| Childrens Hospital of Pennsylvania USA | Logicon Incorporated USA | Texas A&M USA | "Electro-Optics Industries, Ltd. ISRAEL" |
| Childrens Hospital of Washington USA | Los Alamos National Lab USA | Texas Department of Health USA | Hebrew University of Jerusalem ISRAEL |
| Childrens Sea Shore House USA | Louisiana State University USA | Texas Instruments USA | NOVA Measuring Inst. Ltd. ISRAEL |
| Chiral Technologies Inc. USA | Louisiana State University -- CAMD USA | The Research Foundation USA | Ofil Ltd. ISRAEL |
| Chiron Corporation USA | Lousiana State Dept. of Health USA | Transoptics USA | Technion ISRAEL |
| Cieba Geigy USA | Lyons Company USA | TRW Space & Electronics USA | Tel Aviv University ISRAEL |
| City of Hope Natl. Medical Center USA | Marine Biological Laboratory USA | TSI Mason Research USA | Weizmann Institute of Science ISRAEL |
| Clemson University USA | Marshfield Clinic Lab. USA | "Tyson Foods, Inc USA" | AGB Scientific Ltd. IRELAND |
| Cleveland Clinic Foundation USA | Martin Marietta USA | U.S. Food and Drug Administration USA | Allergan Ireland IRELAND |
| "Coherent, Inc. USA" | Merck USA | U.S. Navy - Industrial Hygiene Lab USA | Dublin City University IRELAND |
| College of Staten Island USA | Metrex R&D USA | UCL.A - McDonald Res. Lab USA | BARC INDIA |
| College of William and Mary USA | Michigan State University USA | Uniroyal USA | Bose Institute INDIA |
| Colorado School of Mines USA | Midstate Labs. USA | United Solar Systems Corp. USA | Cochin Univ of Science & Tech. INDIA |
| Colorado State University USA | Midwest Research Institute USA | United States Naval Academy USA | Deepti Marketing Services INDIA |
| Columbia University USA | Millenium Research Labs USA | University Mass Medical USA | Department of Atomic Energy INDIA |
| Commonwealth of Virginia USA | Millipore USA | University of Alabama USA | Government of India INDIA |
| Continuum USA | Miltec Missiles and Space USA | University of Colorado USA | Indian Institute of Technology INDIA |
| Core BioTechnology USA | Mission Research Corporation USA | University of Connecticut USA | Institute for Plasma Research INDIA |
| Cornell University USA | Montana State University USA | University of Georgia USA | Inter University Consortium INDIA |
| "Corning, Inc USA" | Mountain Aircraft Services USA | University of Miami USA | Nuclear Science Cryogenic Lab INDIA |
| Corning-Tropel USA | MTEC USA | University of Michigan USA | Physical Research Laboratory INDIA |
| County of Fresno USA | N.I.H./N.I.D.R. USA | University of Nevada - Las Vegas USA | T.I.F.R. INDIA |
| County Of Los Angeles USA | NASA USA | University of New Mexico USA | University of Bombay INDIA |
| Coyote Aerospace USA | NASA Glenn Research Center USA | University of Pittsburgh USA | University of Thessalonki GREECE |
| Craft Technologies USA | NASA Goddard Space Flight Center USA | University of Pittsburgh Med. Cntr. USA | Forschungszentrum Julich GERMANY |
| CREOL USA | NASA Langley Research Center USA | University of Rhode Island USA | FZ Karlsruhe GERMANY |
| CVI Laser Corp USA | NASA Lewis Research Center USA | University of Rochester USA | Freie Universitaet Berlin GERMANY |
| "Cygnus, Inc. USA" | NASA Marshal Space Flight Center USA | University of Texas USA | Heinrich Heine Universitaet GERMANY |
| Czartech Analytical USA | Nathan Kline Institute USA | University of Virginia USA | Heraeus - Noblelight GERMANY |
| Dartmouth College USA | National Jewish Center USA | University of Wisconsin - Madison USA | Jenoptik LOS GmbH GERMANY |
| Davies Medical Center USA | National Medical Services USA | US EPA USA | LOT GERMANY |
| Denison University USA | National Museum of Natural History USA | US FDA USA | Max Born Institut Berlin GERMANY |
| Detector Electronics USA | National Renewable Energy Lab USA | VA Medical Center USA | Max-Planck-Institut GERMANY |
| DFA of California USA | National Solar Observatory USA | W.M. Keck Center USA | MPI GERMANY |
| DHH - Office of Public Health USA | Naval Research Laboratory USA | Wake Forest University USA | MPI für Quantenoptik GERMANY |
| DHHS Food & Drug Adm - Kansas USA | "NCSU, Veterinary Medicine USA" | Walter Reed Army USA | Mueller Elektronik-Optik GERMANY |
| DHHS/PHS/Food & Drug Adm. USA | NY State Dept of Environment USA | West Virginia Wesleyan College USA | Oce Printing Systems GmbH GERMANY |
| Dionex USA | NYU - Medical Center USA | Westinghouse USA | Perkin Elmer Optoelectronics GERMANY |
| Direct Radiography USA | Newport News Ship Building USA | William & Mary College USA | PTB GERMANY |
| Duke University USA | NIST USA | Fiber Space USA | PTB / BESSY GERMANY |
| Dupont Experimental Station USA | NIST-Radiometric Phys. USA | Rice University USA | Schott Lithotec AG GERMANY |
| Duramed Pharmaceutical USA | NOAA USA | Schott Lithotec USA USA | TU Berlin GERMANY |
| Dynasil Corp USA | NC Agricultural & Technical USA | Dionex UK UK | TU Muenchen GERMANY |
| East Carolina University USA | North Carolina State University USA | Electron Tubes Ltd UK | Universitaet Bielefeld GERMANY |
| East Development Group USA | Northeastern University USA | Glaxo SmithKline UK | Universitaet der Bundeswehr GERMANY |
| East Tennessee State University USA | Northern Arizona University USA | Lot-Oriel UK | Universitaet Duesseldorf GERMANY |
| Eastern Virginia Medical Sch. USA | Northern Illinois University USA | NPL UK | Universitaet Duisburg GERMANY |
| Eastman Kodak Env. Sci. USA | Northrop Grumman Elec Sys USA | Southampton Univ UK | Universitaet Freiburg GERMANY |
| Edwards Airforce Base USA | Northwestern University USA | University College London UK | Universitaet Hamburg GERMANY |
| Eloret Corporation USA | Novartis USA | University of Bristol - Inter.Analy.Cen. UK | Universitaet Hannover GERMANY |
| Embry Riddle Aeronautical Univ USA | NYS-AES-Cornell University USA | UKAEA Fusion UK | Universitaet Osnabrueck GERMANY |
| Emisphere Technologies USA | Oak Ridge National Laboratory USA | UAE University UAE | Universitaet Regensburg GERMANY |
| Emory University USA | Ocean Optics USA | Academia Sinica TAIWAN | Universitaet Wuerzburg GERMANY |
| Environmental Protection Agency USA | Ohio University USA | "Compton Enterprise Co., Ltd. TAIWAN" | University of Essen GERMANY |
| Evans & Sutherland USA | Oklahoma Medical Research FDN USA | IAMS/Academia Sinica TAIWAN | CNRS FRANCE |
| Fairleigh Dickinson University USA | Oklahoma State University USA | Inpac International Corporation TAIWAN | Corning SA (France) FRANCE |
| Fastmetrix USA | Old Dominion University USA | IAMS TAIWAN | Laboratoire d'Optique Appliquee FRANCE |
| FDA USA | Omega Optical USA | National Chung-Cheng University TAIWAN | Universite Pierre et Marie Curie FRANCE |
| Fermi Laboratory USA | Omni Tek Inc. USA | National Taiwan Inst of Tech TAIWAN | Finnoptics Oy FINLAND |
| Florida A and M University USA | Optovac USA | NSRRC - Natl Synchrotron TAIWAN | The University of Jyvaskyla FINLAND |
| Florida State University USA | Oregon Graduate Institute USA | Scientek Corporation TAIWAN | University of Helsinki FINLAND |
| FDA - California USA | "Osmic, Inc. USA" | SRRC TAIWAN | Ethiopian Health and Nutrition ETHIOPIA |
| Ford Motor Company USA | Osram-Sylvania USA | Taiwan Diesel Engineering TAIWAN | Cairo University EGYPT |
| Franklin and Marshall University USA | Panametrics USA | Ecole Polytechnique SWITZERLAND | RISO National Laboratory DENMARK |
| GE Lighting USA | "Parallel Solutions, Inc. USA" | Paul Scherrer Institut SWITZERLAND | TU of Denmark DENMARK |
| Genentech USA | Peak Tek USA | Swiss Fed. Inst of Tech SWITZERLAND | Trabjerg Consulting DENMARK |
| General Atomics USA | Penn State University USA | University of Lausanne SWITZERLAND | TH & L Systems CZECH REPUBLIKA |
| General Electric USA | Pfizer Pharmaceuticals Inc. USA | Lund Institute of Technology SWEDEN | Inst Plasma Physics CZECH REPUBLIC |
| Genzyme USA | Pharmacia USA | Royal Institute of Technology SWEDEN | National Institute of Metrology CHINA |
| Geo Centers USA | Pharmacyclics USA | AFC Ingenieros SPAIN | Shanghai Inst Optics & Fine Mech CHINA |
| George Washington University USA | Phillips Laboratory USA | CIEMAT Asociacion Euratom SPAIN | Agriculture Canada Res Station CANADA |
| Georgetown Medical Center USA | "Physical Sciences, Inc. USA" | A*Star Institute SINGAPORE | Alberta Research Council CANADA |
| Georgia Institute of Chemistry USA | PLEX Corporation USA | Genset Singapore Biotech SINGAPORE | Concordia University CANADA |
| Georgia State University USA | PPD USA | National University SINGAPORE | Gentec Electro-Optics CANADA |
| GlaxoSmithKline USA | "Praxis, Inc. USA" | Moscow Inst of Physics & Tech RUSSIA | "Luxell Technologies, Inc. CANADA" |
| Good Samaritan Hospital USA | Princeton University USA | Russian Acadamy of Sciences RUSSIA | McGill Univ. of Montreal CANADA |
| Hach Company USA | Proportional Technologies USA | "NSRL, USTC PR CHINA" | National Research Council CANADA |
| Hampden Sydney College USA | Purdue University USA | Decada Medida S.A. PORTUGAL | Nortel CANADA |
| Hampton University USA | Quantum Vision USA | Telekomunikacja Polska S.A. POLAND | Queens University CANADA |
| Harlan E. Moore Heart Res. Found. USA | Radian Electronic Systems USA | University of Gdansk POLAND | Universite de Sherbrooke CANADA |
| Harlan Labs USA | Radian International USA | Universidad Nacional de Ingenieria PERU | University of Saskatchewan CANADA |
| Harvard Medical School USA | Rainin Instruments USA | Quaid-I-Azam University PAKISTAN | University of Waterloo CANADA |
| Harvard School of Dental Medicine USA | "RAM, Inc USA" | Justervesenet NORWAY | Copel-Lac BRAZIL |
| Health Research Inc. USA | Rensselaer Polytechnic Institute USA | NMi van Swinden NETHERLANDS | Fundacao de Desenvolvimento BRAZIL |
| Hendrix College USA | Research Electro Optics USA | TU Delft NETHERLANDS | Fundacao Univ Jose Bonificio BRAZIL |
| Henry Ford Hospital USA | Research Triangle Institute USA | Galaxia MEXICO | Instrutecnica Comercio BRAZIL |
| Hewlett Packard USA | Rockwell Scientific USA | "INAOE, Optica MEXICO" | IPEN BRAZIL |
| "Hinsbar Laboratories, Inc. USA" | Roswell Park Memorial Institute USA | "Instituto Astrofisica, Optic MEXICO" | Univ Estadual de Campinas BRAZIL |
| Hobart and William Smith Colleges USA | Rowan University USA | Inst Nacional De Investigaciones MEXICO | Universidade Federal da Paraiba BRAZIL |
| Honeywell FM&T USA | Rutgers University USA | Schering Plough S.A. de C.V. MEXICO | Centre Spatial De Liege BELGIUM |
| HYTech Research USA | Saint-Gobain Crystals and Detectors USA | Megah Suria Sdn. Bhd. MALAYSIA | Universite de Liege BELGIUM |
| In Vitro Technologies USA | "Samsung America, Inc. USA" | Universiti Malaya MALAYSIA | TU Graz AUSTRIA |
| Indiana University - Purdue USA | Sandia National Laboratory USA | "DongWoo Optron Co., Ltd. KOREA" | TU Wien AUSTRIA |
| Indiana University of Pennsylvania USA | Schering Plough USA | FITI Testing & Research Institute KOREA | |
| Innovative Lasers Corporation USA | Shipley Company USA | | |
