– Building contractors
– Building industry contractors
– Building insulation and weather-proofing contractors
– Concrete works contractors
– Electrical installation contractors
– Fitting out and furnishing contractors. Interior decoration/design
– Gas, water, plumbing, heating, ventilation and air conditioning (HVAC) plant installation and maintenance contractors
– Painting and facade coating contractors
– Pipework and tubing installation contractors
– Plastering contractors
– Roofing and wall cladding contractors

– Civil and marine engineering contractors

– Earth-moving, excavation, foundation and tunnelling contractors

– Oil and gas drilling and exploration contractors

– Spring, well, irrigation and water supply contractors

– Transport infrastructure engineering contractors

– Civil engineering and building machinery and equipment

– Building machinery and equipment NES

– Heating, ventilation, air conditioning (HVAC) and refrigeration equipment

– Boilers

– Metal pipework, valves and containers

– Tanks and vats, metal

Education, Training & Organizations

– Education and training

– Crèches and nursery schools

– International organisations, administrations and associations

– Public administration

– Medical care, social services

– Charitable organisations

– Social services

Energy, Environment

– Environmental services, renewable energies

– Technical environmental contractors and services NES

– Oil and gas industry plant and equipment

– Drilling machinery and equipment for oil and gas production

– Extraction machinery and equipment for oil and gas wells

– Monitoring machinery and equipment for oil and gas extraction

– Oil and gas pumping machinery and equipment

IT, Internet, R&D

– Research and testing

– Research, general

Leisure & Tourism

– Hospitality, tourism, hotel and catering industries

– Holiday camps and tourist complexes

– Restaurants and bars

– Leisure, culture and entertainment

– Party, entertainment and festival organisers. Events NES

– Postal services, telecommunications, radio and television

– Radio and television operators

– Services operated by communications satellites

Metals, Machinery & Engineering

– Engines and mechanical parts

– Springs

– Industrial subcontractors

– Boilerwork services
– Metal engraving services
– Metal surface painting services
– Metallising services for metallic surfaces
– Surface coating, non metallic, for metal surfaces

– Machinery and equipment for metalworking

– Installation and maintenance services, for metalworking machines and equipment

Minerals

– Glass, cement and ceramics

– Mineral insulating materials

– Rock wool products

Paper, Printing, Publishing

– Printing equipment. Office and shop equipment

– Vending machines

Retail & Trader

– General traders, department and retail stores

– Department and chain stores
– Mail order organisations
– Metals and semi-manufactured metal products (wholesale)
– Retail trade
– Retail trade, beverages
– Scrap and waste (trade)
– Wholesale trade

Transport & Logistics

– Means of transport

– Motor vehicle maintenance and repair services

– Transportation and logistics services

– Motor vehicle hire and rental services
– Packaging and crating services for transportation
– Road haulage, bulk
– Road haulage, part loads
– Road transport services classified by type of freight
– Warehouses and storage sites