| 100% Light |
| ABB Kent |
| ACC Silicones Europe |
| ACDC Lighting |
| Advanced LEDs |
| Advantage West Midlands |
| Airfield Signs & Markings Ltd |
| Alberta Reseach Council |
| Alstom |
| Anglia |
| AP Technologies |
| Apticol Ltd |
| Arden Cancer Centre |
| Armstrong Optical |
| Aston University |
| Atkins |
| Avago Technologies |
| Azutek Ltd |
| Bank of England |
| Barco Manufacturing Services |
| Barwit Control Systems |
| Bentham Instruments |
| Bergquist UK Limited |
| BFi OPTiLAS Ltd |
| Bionetics Corporation |
| Birmingham and Solihull International Trade Team |
| Bitech Engineering |
| Blaze Neon |
| BRITAX PMG LTD |
| Brunel University |
| CARCLO Technical Plastics |
| Cenamps |
| Central Technology Belt |
| Centronic Limited |
| CEZOS |
| Cire Group |
| Clere Electronics |
| CML Innovative Technologies |
| Concord:marlin |
| Cooper Lighting & Security Ltd |
| Creative Design |
| Cree, Inc |
| Crescent Lighting Limited |
| CTP Wipac Ltd |
| Customer Refocus |
| DDA |
| Delta Design |
| Department of Trade & Industry |
| Dermeo |
| Design LED Products |
| Dialight Garufo GmBH |
| Dialight- Lumidrives |
| DiCon Fiberoptics, Inc |
| Dow Corning |
| Electro Optics Magazine (Europa Science) |
| Electronics Weekly |
| Elumin8 |
| Enfis Ltd |
| Envirolink Northwest |
| EOL/ITRI |
| Epichem Limited |
| Evanesco Ltd |
| Everlight Electronics Europe |
| Filtronic Compound Semiconductors Ltd |
| Fire Fighting Enterprises Ltd |
| First Ventures |
| Fitt Signs |
| Fitzgerald Lighting Group |
| FMA |
| Forge Europe |
| FujiFilm Electronic Imaging Ltd. |
| Future Lighting Solutions |
| General Electric International Inc |
| Gigahertz- Optik |
| Glass West Midlands |
| Glen Spectra |
| Graphix Factory |
| GSPK Circuits |
| Harlin Ltd |
| HELIOSPECTRA AB |
| Hella |
| Heptagon |
| Hill and Smith Plc |
| Hot Box |
| Image IS |
| IMIRP |
| Imtech Infra B.V. BU Imtech Nettenbouw |
| Indium Corporation |
| Inovink Ltd |
| iPix |
| iSuppli |
| Ivision UK Ltd |
| James Thomas Engineering |
| Johnsson Lighting Technologies AB |
| JSR Micro |
| Kemps Neon |
| Knight Photonics |
| Kyocera Fineceramics Ltd |
| Labsphere, Inc |
| Lamina |
| Laser Vision |
| LEDs Magazine |
| Lexedis Lighting |
| Light Tec |
| Lighting Research Center |
| Liquid Control |
| Lite-Head |
| Loadpoint Ltd |
| Lu Lu Leaves |
| Lucid Optical Services |
| Madlab Ltd |
| MAQUET SA |
| MARL International Limited |
| McGeoch Technology Limited |
| Medical Physics, Royal United Hospital |
| Medilink West Midlands |
| Mesophotonics Limited |
| Metax Ltd |
| Microsharp |
| MNT Network |
| mondo*arc |
| Morgan Advanced Ceramics |
| Mott MacDonald |
| Moulded Optics GmbH |
| National Semiconductor |
| Nav-Comm |
| NGK |
| Novaled |
| NPL |
| Nualight Ltd |
| Nusil |
| Ocean Optics |
| Octanorm |
| One2See DP Ltd |
| Ophir Optronics |
| OpTIC Technium |
| OptiConsulting UK |
| Orbik Electronics |
| Osram Opto Semiconductors GmbH |
| Oxley |
| P.D. Whitaker Associates |
| Pacer Components |
| Page Aerospace Limited |
| PandA Europe |
| Partner Consultants Ltd |
| Pera |
| Performace Plastics |
| PerkinElmer Elcos GmbH |
| Philips |
| Philips Lumileds Lighting |
| Photonics Cluster (UK) |
| PhotoSynergy |
| Pilkington |
| PIRA International |
| PLM Illumination Lighting |
| Polymer Optics Ltd |
| Polymer Systems Technology |
| Positive Safety |
| Powergen |
| Powstar Optoelectronics |
| Pro-Lite Technology |
| PRP Optoelectronics Ltd |
| Qinetiq |
| Radiant Imaging |
| Radiant Research Ltd |
| RedWave Labs Ltd |
| Reflex Technical Services |
| Renaissance South Yorkshire |
| Robert Bosch |
| Safe Consulting Limited |
| Saflyn Design Ltd |
| Samsung |
| Sedley Place Ltd |
| Selectronic Limited |
| Sharp Laboratory of Europe |
| Shin-Etsu Chemical |
| Sortex Ltd |
| SphereOptics |
| SPIE Europe |
| Staffordshire University |
| StockerYale |
| Strategies Unlimited |
| Supertex |
| Syntec Technologies |
| Techspan Systems |
| Thorlux Lighting |
| Thorn Lighting Ltd |
| TIR Systems Ltd |
| Trident Exhibitions |
| TridonicAtco |
| TT electronic manufacturing services |
| Universal Science Ltd |
| University of Bath |
| University of Greenwich |
| University of Wales Swansea |
| University of Wolverhampton |
| Urbis Lighting |
| Vision Alert Automotive Ltd |
| Visteon UK Ltd |
| Vodus Technology Innovation |
| Warwick Manufacturing Group |
| Welsh Assembly Government |
| Welsh School of Architecture |
| Westinghouse Rail Systems |
| Whiteley Electronics |
| WM Centre for Construction Excellence |
| Xmark Media |
| Zeta Controls Ltd |
| Zetex PLC |
