– Building contractors
– Building industry 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
– Roofing and wall cladding contractors

– Civil and marine engineering contractors

– Civil engineering contractors NES

– Earth-moving, excavation, foundation and tunnelling contractors

– Transport infrastructure engineering contractors

– Furniture and linen

– Home decorations

– Hardware, ironmongery, cutlery and tools

– Bolts, turned, metal
– Ferrous metal wires
– Nails, tacks, spikes and staples, metal
– Nuts, turned, metal
– Screws, turned, metal
– Steel wires
– Washers, rod stocks and ringbolts, turned, metal

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

– Boilers and water heaters, domestic, solid and liquid fuel

– Metal pipework, valves and containers

– Packings, metal

– Seals and gaskets, metal

Education, Training & Organizations

– Education and training

– Crèches and nursery schools

Electrical, Electronics & Optical

– Electrical equipment. Nuclear equipment

– Electrical industry contractors

IT, Internet, R&D

– Research and testing

– Earth resources survey services by satellite

– Technical offices and engineering consultancies, architects

– Geological, geotechnical, geochemical engineering consultants

Leisure & Tourism

– Hospitality, tourism, hotel and catering industries

– Hotels and motels

– Restaurants and bars

– Leisure, culture and entertainment

– Cinema, radio and television programme distribution

– Leisure and sports centres

Metals, Machinery & Engineering

– Basic metal products

– Raw pig-iron

– Raw steel

Minerals

– Glass, cement and ceramics

– Concrete products

– Reinforced concrete products

Retail & Trader

– General traders, department and retail stores

– Retail trade

– Wholesale trade

Transport & Logistics

– Means of transport

– Motor vehicle maintenance and repair services

– Motor vehicle washing equipment and services

– Transportation and logistics services

– Road haulage, bulk
– Road haulage, part loads
– Road transport services classified by type of freight