| Company |
Stand No |
| ABB Limited | 108 & 109 |
| Air Liquide | 6 |
| Air Products | 2 |
| Alcontrol | 60 |
| Analytical Technology | 92 & 93 |
| Aquamatic Ltd | 5 |
| Aquaread | 82 & 83 |
| Arc Sciences | 127 |
| Ashtead Technology | 37 |
| BEKA associates Ltd | P1 |
| Bernstein Ltd | 70 |
| BOC Limited | 8 |
| Camlab | 15 & 16 |
| Capilix | 63 |
| Chelsea Technologies | 88 |
| Cogdem | 116 & 117 |
| Cogent Environmental | 61 |
| Critical Flow Systems Ltd | 103 |
| Crowcon | 118 & 119 |
| CSols | 69 |
| Detectronic Ltd | 56 & 57 |
| Draeger Limited | 3 & 4 |
| ENDRESS + HAUSER Ltd | 59 |
| Enviro Technology Services | 28 |
| Environmental Innovations | 89 |
| Environmental Monitoring Systems | 64 |
| Envitech | 50 |
| ESSLAB | 98 |
| Gas Measurement Instruments | 42 |
| GFG Europe | 1 |
| Hach Lange | 94,95 & 96 |
| Hydrologic | 30 |
| ILM Books | 19 |
| ILM Designs | 11 |
| Impress Sensors | 58 |
| Industrial Scientific | 39 |
| Industrial Test Systems | 36 |
| Infra Tec | 46 |
| Intellitect water Ltd | 54 |
| International Environmental Technology | 72 |
| International Labmate | 25 |
| Kisters AG | 29 |
| Labman Automation Ltd | 107 |
| Lovibond Tintometer | 85 |
| LTH Electronics | 10 |
| MAC Solutions | 52 |
| Metasphere Ltd | 106 |
| Metrohm | 53 |
| Nitto Kohki Ltd | 126 |
| NIVUS UK | 32 |
| OTT Hydrometry | 105 |
| Palintest Ltd | 7 |
| Partech | 84 |
| Pollution & Process Monitoring | 65 |
| Polyformes | 74 |
| Process Measurement & Analysis Ltd | 33 |
| Pulsar Process Measurement | 97 |
| Rose Plastic UK Ltd | 12 |
| RS Hydro | 78 & 79 |
| Schneider Electric Ltd | 100,101&102 |
| Scientific & Technical Gases | 49 |
| Siemens SC | 67 & 68 |
| Sira Environmental | 80 |
| Siris | 75 |
| SMAR UK | P6 |
| Spex CertiPrep Ltd | 55 |
| Swan Analytical | 13 & 14 |
| Technolog Ltd | 104 |
| Ten Alps | 9 |
| Thermo Fisher | 90 & 91 |
| Thermo Fisher Scientific Clinical Diagnostics Division | 18 |
| UKAS | 81 |
| Van Walt Ltd | 66 |
| Vega Controls Limited | 21 |
| Waterra-In-Situ | 62 |
| Westermo Ltd | 99 |
| WTW | 76 & 77 |
| YSI Hydrodata | 76 & 77 |