Enviro Technology Services. - Specialises in providing solutions to a range of environmental monitoring requirements. Suppliers of air quality systems and analysers. Also environmental data processing, modelling and management software. L.B. Bentley - Equipment, products and services for the offshore oil and gas industry - examples are pumps, compressors, valves and actuators, and high pressure compressed air equipment. Toplevel Computing - Advanced electronic forms software solutions. A system to replace paper based internal administrative procedures with on-screen electronic forms. Denis Brown & Son - Suppliers of timber fencing products to both trade and DIY. Prime Manufacturing - Supply gravity separators and destoners for wheat, rice, coffee, lentils and beans, and in plastics and rubber recycling. Includes company profile, product information and services. Eco Scientific Ltd. - Supplier of gas and clinical analysers. Includes products and services. PNP Railways - Manufacturers and suppliers of components and locomotives for 7 1/4 inch gauge live steam model railways. Products include brake and buffing gear, sleepers, wheels, Lynton and Barnstaple wagon parts, LNWR Locos. NextGen - Information on the range of Windmasts, installation, dimensions and monitoring equipment. Enviro Technology Services Plc - Supplier of environmental monitoring systems for air quality, continuous emissions and industrial gas monitoring applications. Impcross Limited. - Offers subcontract metal machining. Profile, capabilities and equipment with gallery and information about careers. [Thrupp] Omnitrack - Manufacturers of ball transfer units, including bearings and castors for materials handling.