| Company |
Stand No |
| ABB Limited | 107, 108 |
| Alphasense | 119 |
| Analytical Technology | 91 & 92 |
| Aquaco | 43 & 44 |
| Aquamatic | 60 |
| Aquaread Limited | 83 |
| Arkon | International Pavilion |
| AWE Ltd | 7 |
| Belcom Cables Ltd | Profibus Area |
| BOC | 6 |
| Cambridge Scientific Instruments | 21 |
| Camlab | 15,16 |
| Capilix BV | 66 |
| CitySprint (UK) Ltd | 100 |
| CIWEM | 87 |
| Clairair Ltd | 119 |
| ClipperTech Ltd | 61 |
| Cogent Environmental | 64 |
| Critical Flow Systems | 37 |
| Crowcon | 117 |
| CryoService | 118 |
| Csols | 72 |
| Draeger | 51 |
| Endress & Hauser | 67,68 |
| Envirolink | 45, 46, 47, 58, 59, 60 |
| Environment Agency | Island Stand |
| Environmental Innovations | 88 |
| Envitech | 53 |
| Esslab | 97 |
| Faversham House | 86 |
| Flowcheck | 59 |
| Gas Measurement Instruments | 4 |
| Gas Sensing Solutions | 119 |
| GE Analytical Instruments | 109 |
| GFG Europe | 1 |
| Hach Lange | 93 & 94 |
| Honeywell Analytics | 2 |
| Hydro Logic | 34 |
| ILM Books | 74, 75 |
| ILM Designs | 10 |
| Industrial Test Systems | 41 |
| Infra Tec | 49 |
| Intellitect Water Ltd | 71 |
| International Enviromental Technology | 31 |
| International Labmate | 112 |
| Isoprime Ltd | 17 |
| JMS Consultants | 48 |
| Kister | 95 |
| Metrohm UK Ltd | 56 |
| Modern Water plc | 5 |
| OTT Hydrometry | 104 |
| Palintest Ltd | 102 |
| Partech Electronics | 81 |
| PG Instruments | 35 & 36 |
| Pollution & Process Monitoring | 73 |
| PRA Europe | 8 |
| Process Measurement & Analysis | 12 |
| Pulsar Process | 76 |
| RS Hydro | 77 & 78 |
| Schneider Electric Ltd | Profibus Area |
| Scientific and Technical Gases | 52 |
| Shawcity | 3 |
| Siemens | 113,114 |
| Sigma Aldrich Co Ltd | 70 |
| Sira Environmental | 84 |
| Siris Environmental | 80 |
| Sorbisense | International Pavilion |
| StreamLine Measurement Limited | 69 |
| STS Sensor Technik Sirnach AG | 110 |
| Swan Analytical Instruments UK | 13 & 14 |
| Technolog | 101 |
| Ten Alps Publishing | 9 |
| Thermo Fisher | 89 & 90 |
| Tintometer | 85 |
| Trolex | 50 |
| UK Trade & Investment | 82 |
| UKAS | 96 |
| Water Active | 40 |
| Weidmuller | Profibus Area |
| WMA | 18 |
| YSI Hydrodata | 79 |