| A S & T Inc. | Fugro Airborne Surveys | PSB Corporation Pte Ltd |
| ABEM Instrument AB | Fundação Universidade de Caxias do Sul | Public Health Research Institute, New York NY |
| Aberdeen Test Center | Galadale Consulting | Pucik Consulting Services |
| ABS Consulting | GDA Micro Technologies, Inc | Pulte Homes |
| ABSG Consulting, Inc. | GenCorp Aerojet | Purdue University |
| Accent Optical Technologies | Geneon Entertainment (USA) Inc. | Purdy Engineering |
| Access Environmental | General Dynamics Canada Ltd. | Pure Power Systems |
| ACE Inc. | General Dynamics, Niceville | QinetiQ |
| Acoustics First Corporation | General Electric Global Research | Quan Yin Medical Center, Miami Shores FL |
| ACTA Inc. | General Electric Transportation Systems | Quanta S.r.l. |
| Action Net | General Testing Laboratories, Inc. | Queen Mary, University of London |
| ActSoft, Inc. | Gentex Corporation | Queen's University of Belfast |
| ADAPCO | Geolabs Westlake Village | Queensland Department of Main Roads |
| Advanced Telemetry Systems Inc. | Geophysical Software | Quimica FLuor |
| Advanced Turbomachine, LLC | Georgia Tech | R T Frankian Assoc |
| Advantage Engineering | Geoscience & Technology Inc | R&D eXpertise Inc. |
| Advantica Ltd. | Geosyntech | R.T. Dodge CO. |
| AeroComposites, Inc. | Globitech, Inc. | RACEtech |
| AeroControl, Inc. | GLS Engineering | Rand Afrikaans University |
| Aeroflex | Golden Specialty Consulting, Ltd. | Raytheon |
| Aerojet | Goodrich Corporation | Reaction Engineering |
| Aeroscan International | Goodrich Sensor Systems | Resco Electronics |
| Aerospace Optics | Graham Consulting | Research Inst-Frag |
| Affiliated Engineers | Grainger Integrated Supply | Resolyn Products |
| Agilent Technologies | Granite Mountain Quarries | Resource Service Group |
| Agiloptics, Inc. | Grantronics | RESPEC Consulting & Services |
| Agnico-Eagles Mines | Greenpoint Technologies | Respironics Brussels |
| Agricultural University of Norway | Greyline Instruments Inc | Rhodia |
| Agriculture & Agri-Food Canada | Gruppo Domino | Ridolfi Inc. |
| Agriculture and Agri-Food Canada, Prairie Farm Rehabilitation Administration | Guidant Corporation | Rincon Research Corp. |
| Agro Services International | H.P. White Laboratory, Inc. | R-L Polymer Engineering |
| Air Cleaning Systems Ltd | H.W. Lochner, Inc. | Robert Bosch Corp. |
| Air Force Research Labortory | Hailfinger Electronic | Robert E. Nolan Comp. |
| Airdyne | Hart Biologicals Ltd. | Roger Williams Hospital, Newport RI |
| Airgain | Haverford College | Rohde & Schwarz, Inc. |
| Ajou University | Hays Environmental Engineering | Rolf Jensen & Associates, Inc. |
| Akzo Nobel Surface Chemistry Pte Ltd | Hayward Baker Inc | Rolls-Royce Fuel Cell Systems Ltd. |
| Alberta Environment | Headway Technologies | Rome Research Corporation |
| Alcan | Hemisphere GPS | RonSco Services |
| Alpha Data Corporation | Herring Systems | Roth Enterprises |
| Alpha Omega Electromagnetics, LLC | High Country | Royal Canadian Golf Association |
| Alpha to Omega | Hi-Techniques, Inc. | Rudolf-Kramer Technologies, Inc. |
| Alstom Power | Hollming Ltd. | Runwaydata.com |
| ALSTOM Signaling Inc | Honeywell | RWS Engineering |
| Alstra Industries LLC | Hope College | S.C. Johnson & Son, Inc. |
| Alternative Vision Corporation | Howard & Company | SAMSys Technologies Inc. |
| Alumil Milonas sa | Hubbell, Roth & Clark, Inc. | San Miguel Electric Cooperative, Christine TX |
| Am Test - Air Quality, LLC | Hughes Network Systems | Sandia National Laboratories |
| American Analytical Laboratories, Inc. | Hungerford & Terry, Inc. | Sanmina Oy |
| American Radio Relay League, Inc. | Hunter Water Australia | Santa Clara University |
| Amorphous Materials | Hybrid Technologies LLC, Summerville SC | Sarabec Ltd. |
| Ampal, Inc. | Hydrotech | Saybolt Danmark A/S |
| AnaCon Laboratories, Inc. | Hyundai-Kia America Technical Center, Inc. | Schlumberger |
| Andersen Services | IASYS Technologies | Science Applications International Corporation |
| Anderson Chiropractic Group | Idaho National Laboratory | Scottish & Southern Energy, Fleet UK |
| Anedio | Iluka Resources, Inc. | Seavey Engineering |
| Animal Health Trust | Imaging Resource | SECOR International Incorporated |
| ANSAC | IMPACT Engineering | Sector Electronics, LLC |
| Anteon Corporation | Imperial College London | Sector Microwave Industries |
| Apache Corporation | INAF - Osservatorio Astronomico di Padova | Seitz and Associates |
| Application Objects, Inc. | Indonesia Tri Sembilan, PT | SemiSouth Laboratories |
| Applied Analytics, Inc. | Indra Sistemas, S.A. | Seneca Balance |
| Applied Biogenics, Inc. | Industrial Hygiene Specialty Resources | Serck Aviation diviation |
| Applied Image Group | Inform Systems AG | SHAMA Technologies (S) Pte Ltd |
| Applied Materials | Ingenieurbüro Telegdy | SHE Cape Environmental |
| Applied Radar, Inc. | Ingersoll-Rand | Shell International |
| Applied Research Associates, Inc. | Insinooritoimisto Suunnittelukide Oy | Sierra Machinery |
| Applied Systems Research | Institue of Wood Technology, Akita Pref. University | Signion Systems PVT. Ltd. |
| Aqua Solutions, LLC | Institut Maurice-Lamontagne | Silicon Access Networks |
| Aquascape Environmental | Institut National Des Sciences Appliquees | Silicon Laboratories |
| Arete Associates | Institute for Physiology, Charite | Silver Arrow |
| Argonne National Laboratory | Institute of Physics | SINTEF Energy Research |
| Arkansas Electric Cooperative | Integrated Spectronics Pty Ltd | Sintez Corporation, Moscow |
| Armagh Observatory | Integrated Watershed Ltd | Sippican, Inc. |
| Arthur P. Noyes Research Foundation | Intel Corporation | SiSinc Semiconductor |
| Arup Security Consulting | International Business Machines | Slade's General services Ltd. |
| Asesorias Especializadas Genesis, S.C. | International Maritime Consultants | Softel |
| Ash Grove Cement | Interscan Corporation | Software Spectrum |
| Associated Engineering | Iowa State University | Solberg Manufacturing Inc. |
| Astbury Environmental Engineering | IPCore Technologies USA | SonicWorks, Inc. |
| Astex Technology | IR Energy Systems | Sorensen Associates Inc. |
| ATC Associates, Inc. | Iris Semiconductor | South Austin Cancer Center |
| ATK Elkton LLC | ITT Industries AES | Southern Company |
| ATK Tactical Systems | J & S Blenard Associates Limited | Southern Nuclear |
| ATK Technical Systems | J B Engineering, Inc. | Southwest Research Institute |
| Avitronics | J.M. Huber Corporation | Spartan Controls Ltd. |
| Awareness Center, Roskilde Denmark | Jack Anderson Elementary | SPAWAR Systems Center |
| Axcelis Tech | James E Beavers Consultants | Spectra-Physics |
| Azean Energy Ltd. | James Hardie Building Products | SRI International |
| Aztech Materials Testing | James R. Loumiet & Associates, Inc. | SRK Consulting |
| B3 Systems, Inc. | Jaros Baum and Bolles | St. Cloud State University, New Hope MN |
| B&D Pumps, Inc. | Jay Spry International | St. Johns River Power Park, Jacksonville FL |
| BAE Systems | Jet Propulsion Laboratory | Standard Testing and Engineering Company |
| Baker Engineering and Risk Consultants, Inc. | Jetline Engineering | Stanford Linear Accelerator Center |
| Barber-Scotia College | Jim Stone Ltd. | Stanford University |
| BARTMEX, Inc. | John J. McMullen Assoc., Inc. | Stargate Observatory |
| Basilea Pharmaceutica | Johns Hopkins Univ. APL | STMicroelectronics, Inc. |
| Battelle Memorial Institute | Johnson Matthey Technology Centre | Stonecroft Project Engineering |
| Baylor College of Medicine Division of Neuroscience | Johnson & Hanan, Oklahoma City | Stony Brook University |
| Be On Purpose | JRB Solutions | Stork Herron Testing Lab, Cleveland OH |
| Bechtel Corporation | Kadam Environmental Consultants | STR, Solutions Temps Réel Inc. |
| Bentley Systems, Inc. | KAFRIT Industries (1993) Ltd. | Stratosphere Solutions |
| Bergmans Mechatronics LLC | KANE GeoTech, Inc. | Stronglight Design Co., Ltd. |
| Berkshire Control Mechanical, LLC | Kansas City Power & Light | Structural Integrity |
| Bernier Electric | KCH Group Inc. | Sturni-Hueston Engineering Inc |
| Beth Israel Deaconess Medical Ctr | Kennedy Consulting, Inc. | Summit Educational Group |
| Bethel Baptist School, Decatur AL | Kennedy Jenks Consultants | Sunrise Medical |
| BFP Consultants | KeyEye Communications, Inc. | SUNY College at Farmingdale |
| BHP Billiton Minerals Technology | Kinder Morgan, Inc | Supercritical Systems, Inc. |
| Bioanalytical Science (WHRI) | Kistler Instrument Corp. | Surfware Inc |
| Biodynamics Engineering | KLA-Tencor | Surtsey Ltd |
| Biotech Atlantic, Inc. | Koidu Holdings S.A. | Sverdrup Corporation |
| Birmingham University | Komatsu | Switchgear & instrumentation Ltd |
| BJ Services Company | Korea Institute of Construction Technology | Sycon, Sweden |
| Blue Cube Systems | Korosensor.com, Inc. | Sylvan Source |
| BMT Scientific Marine Services Inc. | Kyoto University | Syndetic |
| BNW Administração e Comex Ltda | L. I. Smith & Associates, Inc | Synstar Computer Services |
| Boeing Aerospace | L-3 Communications Cincinnati Electronics | T. M. Bolton, Inc |
| Bogazici University, Kandilli Observatory and Earthquake Research Institute | Lab/Cor, Inc. | Te Kuiti High School, Te Awamutu New Zealand |
| Bombardier Aerospace | Labomed | Technic Inc. |
| Booz Allen Hamilton | Laboratorios Bago S.A. | Technical University in Lodz |
| BorgWarner Corporation | LabWare | Technical University of Denmark |
| Borregaard LignoTech, Johannesburg | Lachel & Associates, Inc. | Technische Universität Clausthal |
| Bosch | Lamar University | Technische Universität Harburg |
| Bose Corporation | Lambda Research | Teclab srl |
| Bouyges Travaux Publics | Lambert Engineers | TecnoVeritas, Fonte Boa da Brincosa, Portugal |
| Bowser-Morner, Inc. | Lancaster Ultragraphics | Teignbridge Propellers |
| BP Exploration | Länderinstitut für Bienenkunde | Tellus Operating Group, LLC |
| BR Power Systems | Lang Railsback Associates | Telstra |
| Briggs & Stratton | Länsitekniikka Oy | TEMA Oil and Gas Company |
| British Geological Survey | Lawrence Livermore National Laboratory | Temeku Technologies Inc. |
| Buckinghamshire Chilterns University | Lawter International | Temple University School of Medicine |
| Buckman Hardy Associates | L-B Ranch | Tengola Corporation |
| C. Tremblay & Associés Inc. | Lebanon Seaboard Corp | Tennessee Technological University |
| CadVendor | Lehigh University | TenXc Wireless |
| California Department of Transportation | Leonardtown High School, California MD | Terra-Mar, Inc. |
| California Department of Water Resources | Leviton Manufacturing | Testek Inc. |
| California Polytechnic State University | Light Coders LLC | Tetra Tech, Inc. |
| Calixte Environmental Management Inc. | Light Engineering | Texas A&M University |
| Callan Computers | LightConcrete LLC | Texas Christian University |
| Callplex, Inc. | Lockheed Martin Services, Inc. | Texas Department of Transportation |
| Calvi Sistemi | Logiway GmbH | Texas Instruments |
| Camp Dresser & McKee | Loki Incorporated | Texas State University |
| Camp Technologies, LLC | Long Island Rail Road | Texas Tech University |
| Canada Tech Corporation | Los Alamos National Laboratory | The Conservation Fund |
| Canadian Explosives Research Laboratory | Lubrizol Ltd | The Corvallis Group, LLC |
| Canfield Drilling Company | Lucent Technologies | The Gordian Knot Inc. |
| Capsugel, Division of Pfizer | Luck Stone Corp. | The Imaging Resource |
| Carnegie Institution of Washington | Luwa Inc | The Right to Life Association of Toronto |
| Cascade Microtech, Inc. | Mack Trucks | The University of Nottingham |
| Castrum International AB | Magstim Company Ltd | The University of Georgia |
| Celata Research Associates | MAN B&W Diesel A/S | The University of Queensland |
| Celerity Systems | Manatee County Mosquito Control District | The Watershed Company |
| Cellworks Group Inc. | Market Data Specialists | The Westminster Schools, Atlanta GA |
| Center for Archaeological Studies, Texas State San Marcos | Martec Limited | Thermawave |
| Center for Biofilm Engineering | Masaryk University | Thermo Electron GmbH |
| Center for Condensed Matter Sciences, National Taiwan University | Masonic Medical Research Lab | Thiokol Propulsion |
| Certosoft HB | Massachusetts General Hospital | THL Australia Pty Ltd |
| Ceva DSP Ltd. | Massachusetts Institute of Technology, Lincoln Laboratory | Thomas & Riley Coffee Ltd. |
| CFD Research Corporation | Masstech Scientific | Thomlynx Consulting |
| Chaoyang University of Technology | Masuk High School, Monroe CT | Thos. Harper Guitars |
| Chardon Tool | Mather Recovery Systems, LLC | Ticra, Copenhagen |
| Charming Shoppes | MATS UK Ltd | Timecrest |
| Chase Environmental Group | Maxtor | TimeLab Crop |
| Chayasilp Colorlab | Mayo Foundation | Titan Systems |
| Cheldish Enterprises | Maytag Corporation, R&D Division | Tokyo Electron Arizona |
| Children's Hospital Boston | McGill University | TRAK Microwave Corp. |
| Chimera Model Pte. Ltd. | MCI | Trans-Coil, Inc. |
| The China Navigation Co. Ltd. | Measured Progress | Trask Decrow Machinery |
| Chroma Graphics Inc | MED Institute, Inc. | Treadwell & Rollo |
| Cincinnati Technologies | Medtronic Inc. | Trikon Technologies |
| Cintec America Inc | Mehta Tech, Inc. | Trilogy Services LLC |
| Cisco Systems, Inc | Meisteratelier für Geigenbau | Trinapco, Inc. |
| City of Erlanger KY | MEL Mikroelektronik | Trinity College Dublin |
| City of Redding CA | Memorial University | TriVacular |
| City of Toronto | Memry Corporation | Tropos Institute |
| CivilTech Engineering, Inc. | Meritor WABCO | TRW Automotive |
| Clark Solutions | Meso Scale Discovery | TSE Industries |
| Clay Technology AB | Metal Powders International | Tufts University |
| Clear Creek Hydrology, Inc. | Met-Mex Penoles S.A. de C.V. | TXU Electric |
| Clemson University | MFD International Ltd | Tysinger, Hampton & Partners, Inc. |
| Cleveland Controls, Inc. | MGA Structural Engineering Consultants, Inc. | U. S. Equipment Co., Inc. |
| CM&A Engineering, PLC | MHG Plastic Industries | U.S. Equipment Company, Inc. |
| CMC Electronics, Inc. | Michael Patton & Assoc. | UkrRadioTel |
| CMI Defence | Microfabrica, Inc. | Ukuleles by Kawika, Inc. |
| CMS FIELD PRODUCTS | MicroFirm Inc. | Unilever Polska S.A. |
| CoachComm | Micrometics Ltd | Unilever Research US |
| Collabrion Pty Ltd | Microsemi Corporation | Uniqema |
| College of Mount St. Joseph | Microsym Computers Inc. | Unisys Corporation |
| Colt Engineering, Alberta | Middeltown Power LLC | United Calibration |
| Comp-Sci Consulting | Midstream Technologies | United States Military Academy |
| Computer Sciences Corporation | Millennium Technical Services | Università di Parma |
| Computronic Answers | Miller Electric Mfg. Co. | Universität zu Lübeck |
| COMTEK | Miltec Corporation | Universiteit Maastricht, Netherlands |
| Conestoga Wood Specialties Corp. | Minecon | University of Akron |
| Conrad Technologies, Inc. | Minnesota Extrusion | University of Arizona |
| Contract Drilling and Blasting, INC. | Mississippi Department of Environmental Quality | University of Bath |
| Control Solutions | Mississippi State University | University of Calgary |
| Controls & Power, Inc. | Mittal Steel Company | University of California at Los Angeles |
| Converter Technology Inc. | MLH Fire Protection Ltd. | University of California at San Diego |
| Cornell University | Molecular Diagnostics SA | University Of Central Florida |
| Corning, Inc. | Monash University | University of Chicago |
| Cosworth Limited | Monsanto Company | University of Denver Research Institute |
| Craftools Inc. | MRC Bearings | University of Florida |
| Cranfield University | MS Elektronik | University of Georgia |
| Crawfordsville High School, Crawfordsville IN | MTS Systems Corp | University of Guam |
| Cress and Associates | Muniz Technology | University of Hawaii |
| Creve Coeur Research & Engineering | Murray-Darling Basin Commssion | University of Hull |
| Crystal Vision Microsystems SA | Myers Engineering International, Inc. | University of Iowa |
| Cutler-Hammer | National Aeronautics and Space Administration | University of Kentucky |
| Datacard Group | National Institute of Chemistry | University of Maine |
| Davey Fabrics Inc | National Oceanic & Atmospheric Administration, Climate Monitoring and Diagnostics Laboratory | University of Manitoba |
| David Ford Cons. Engineers | National Polytechnic Institute | University of Mary Washington |
| Davy Faraday Research Lab. | National Water Research Institute | University of Maryland |
| DB Microsystems | Nationwide Health Properties | University of Massachusetts |
| DCPROJECTSOLUTIONS Limited | Natl. Survey & Cadastre, Denmark | University of Massachusetts Amherst |
| De Universiteit Twente | Naval Air Warfare Center | University of Melbourne |
| Dearing Compressor and Pump Company | Naval EOD Technical Division | University of Melbourne Department of Civil Engineering |
| DeCorte & Associates | Naval Surface Warfare Center | University of Miami |
| Defence Science & Technology Agency | Neil O. Anderson & Assoc., Inc. | University of Mississippi |
| Defense Threat Reduction Agency | Nektar | University of Missouri |
| DeGolyer and MacNaughton | Nemoto & Company, Ltd. | University of New Hampshire |
| DeHart Consulting | NeuralSignals | University of North Carolina |
| Desert Research Institute | New England Research | University of Notre Dame |
| Devine Tarbell & Associates, Inc. | New Mexico Tech, Energetic Materials Research and Testing Center | University of Oklahoma |
| Dietmar Müth Mess-Systeme | NEW Water EnviroSolutions & Associates Inc. | University of Pennsylvania |
| Diligenz | New Zealand Defence | University of Porto Department of Pure Mathematics |
| Diversified Industries | Newmont Mining | University of Queensland |
| Dixie Pipeline | NextNet Wireless, Inc. | University of Rochester |
| Dow Chemical Company | Noble Drilling | University of Southern California |
| Dreyer Technical Services | Nordson Corp | University of Southern Mississippi |
| Dri-Steem | Norman S. Braithwiate Inc | University of Stirling |
| Duke Engineering & Services | North American Exploration | University of Tennessee |
| Duke Engines Limited | North American Manufacturing | University of Texas at Arlington |
| Duke University | North Carolina A&T State Univsersity | University of Texas at San Antonio |
| Dulwich College | North Carolina State University | University of Toronto |
| Duncan Equipment Co. | North Point Engineering | University of Utah |
| DuPont | North Wind Inc. | University of Washington |
| Duracell | Northrop Grumman Corp. | University of Waterloo |
| Duracell Global Business Management Group | Nova Technology Corp. | University of Western Australia |
| Dwyer Instruments Inc | Novellus Systems, Inc. | University of Wisconsin, Madison |
| Dynamet | Nuflare Technology | University of Wisconsin, Milwaukee |
| Dynamica Design LTD | Nugent GIS and Environmental Services | University of Wollongong |
| DynCorp | Nutmeg Healthcare Associates, P.C. | Upper Parramatta River Catchment Trust |
| Dynetics, Inc. | NuWaves Engineering | Urological Associates, Ltd |
| Eagle Mountain Scientific, Inc. | Nytec, Inc. | URS Corporation |
| EagleView Industries | Oak Ridge National Lab | US Army Aberdeen Test Center |
| Eaton Corporation | OHMIC Controls Pty Ltd. | US Army Corps of Engineers Research & Development Center |
| Eaton Powerware | Oklahoma State University | US Army Corps of Engineers, Wilmington District |
| EBK Systems, Inc. | Omicron Development | US Army Rapid Equipping Force |
| Ed Quick Consulting | OncoTherm Kft. | US Army Research & Development Command |
| Edutech | One-Stop Solutions | US Army Research Laboratory |
| Edwards Lifesciences | Ontario Ministry of Agriculture and Food | US Department of Agriculture, Agricultural Research Service |
| EIP Associates | Optical Electroforming | US Department of Agriculture, Cotton Gin Research Laboratory |
| El Dorado Engineering | Optical System Design | US Department of Agriculture, Natural Resources Conservation Service |
| Electric Propulsion Laboratory | Optimal Energy Systems, Inc. | US Department of Commerce |
| Electrical Power Management Inc. | Optische Messtechnik Gmbh | US Equipment Co |
| Electronet Services Ltd | Optobionics | US Geological Survey |
| Electronic MicroSystems | Optosonics | US Steel Research |
| Electronic System Level Xperts | Oracle Engineering | USEC, Inc. |
| Elite Consulting Ltd | Oregon State University | UTD Incorporated |
| Eltech Systems Corp | Orenda Technologies, Inc. | Van drunen Farms |
| EMT, Inc. | Orica Mining Services | Varian Semiconductor Equipment Associates |
| Engelhard Corporation | Osterbauer Compressor Service | Veritay Technology Inc |
| Engeware | Outokumpu Technology Pty Ltd | Victor Newman Photography |
| Engineering Assistance | Pac Tech GmbH | Victorian Clinical Genetics Service |
| Ensign Health Care, LLC | Palmer Technologies | Vielma Ingenieria C..A. |
| Envirotest | PAMCO R&D Inc. | Vinas Consultants Limited |
| Envitech, Inc. | Paradybe Systems Inc | VioSense Corporation |
| Erdman Engineering | Parametrix | Virginia Tech |
| Erie Insurance Group | Paramount Fabricators | Visionics Corporation |
| Estyle Inc. | Paranext Software GmbH | Vitesse |
| ET Engineering | ParthusCeva | WABCO VCS |
| Eurecat US | Pathways Consulting | Walker Oil & Grain |
| Everett Public Works | Paxton Products Corp. | Walter P. Moore and Associates |
| Evisive | PCS Instruments | Washington Group International |
| Extreme Engineering Ltd. | PEAK6 Investments | Washington University |
| Fachhochschule beider Basel | Pearson Matthews Ltd. | Wave9 Systems |
| Facultad de Quimica (UNAM) | Penfield & Smith | Wavefront Scientific |
| Fairchild Semiconductor | Pennsylvania State University | Weacomm, Inc. |
| Fair-Rite Products Corp. | Pepper Engineering Group, Inc | Weidlinger Associates, Inc. |
| Fakkema and Kingma, Inc. | PerkinElmer Optoelectronics | West Shamokin Jr/Sr High School, Rural Valley PA |
| Falconbridge Ventures of Africa (Pty) Ltd | Perrone Consulting | Westech Labs |
| FamTek Professional Services, Inc. | PFM Engineering | Westerville Central High School, New Albany OH |
| Fasco Industries Inc. | PGD Design Services Ltd | Westwood Computer Corporation |
| Federal Aviation Administration | Photonics Systems, Inc. | Weyerhaeuser |
| Federal Bureau of Investigation | PI Research | Whisper Bay |
| Fergusson Engineering Services | Pioneer Hi-Bred International, Inc. | Whitaker Laboratory |
| Fermilab | Planer plc | White Sands Missile Range |
| Fernbank Science Center (Dekalb Co. Schools) | Pleasant Valley Electric, Willseyville NY | Wildman & Morris |
| Fimat Canada Inc. | PLH Associates | William Beaumont Hospital Research Institute |
| Final-Aire | Pluspetrol Bolivia Coorporation SA | Williams Technologies |
| Firelinx Inc. | Pomona Capital | Williston Northampton School, Easthampton MA |
| Fisher Control Valves and Regulators | Possum Kingdom Munitions | Winningham & Fradley, Inc. |
| Florida International University | Powair Automation | Wiss, Janney, Elstner Associates |
| Floyd Engineering & Surveying | Power Visions | Witten Stable |
| Fluox Co. | Powergenix | WL Gore & Associates, Inc. |
| FMSM Engineers, Inc. | Power-One | Woodward Governor Company |
| Food Technology Service, Inc. | Powerware | Wyoming Center for Business and Economic Analysis |
| Ford Motor Company | PPG Industries | Xanthon Inc. |
| Foremost Industries LP | Pratt & Whitney | Xerox Corporation |
| FormFactor, Inc. | Precision Analytical | Xtex |
| Forquer Group, Inc. | PRF Consultants | YarCom |
| Foster Consulting Services, LLC | Primate Foundation of Panama | Yeshiva Schools, Pittsburgh PA |
| Foundation QA | Princeton University | Zebra Audio |
| Franklin Northwest Supervisory Union | Prism Computational Sciences | Zeeco, Inc. |
| Fraunhofer Gesellschaft | Process & Power, Inc. | Zimmer, Inc. |
| Fraunhofer Inst EMI | Propulsion Science & Technology, Inc. | Zoltek Inc. |
| Frey Engineering Diversified Consultants Inc. | Proteus Industries Inc. | |