– Building contractors
– Fitting out and furnishing contractors. Interior decoration/design
– Flooring, paving and tiling contractors
– Gas, water, plumbing, heating, ventilation and air conditioning (HVAC) plant installation and maintenance contractors
– Painting and facade coating contractors
– Roofing and wall cladding contractors

– Civil and marine engineering contractors

– Civil engineering contractors NES

– Earth-moving, excavation, foundation and tunnelling contractors

– Spring, well, irrigation and water supply contractors

– Civil engineering and building machinery and equipment

– Building machinery and equipment NES

– Concrete mixing and placing machinery and equipment

– Earth-moving machinery and equipment

Education, Training & Organizations

– International organisations, administrations and associations

– Trade unions, professional

– Medical care, social services

– Cemeteries, crematoria and funeral directors

Energy, Environment

– Energy, fuel and water

– Pipeline administration

IT, Internet, R&D

– Information technology (IT) and Internet

– Information technology (IT) maintenance services

– Personal computers (PC)

– Servers (computing)

Leisure & Tourism

– Hospitality, tourism, hotel and catering industries

– Travel agents, tour operators

– Leisure, culture and entertainment

– Film productions

– Party, entertainment and festival organisers. Events NES

Metals, Machinery & Engineering

– Basic metal products

– Non-ferrous metal castings and parts

– Industrial subcontractors

– Maintenance and repair services for industrial equipment

Retail & Trader

– General traders, department and retail stores

– Retail trade

– Wholesale trade

Transport & Logistics

– Handling and storage plant and equipment

– Cranes

– Means of transport

– Motor vehicle maintenance and repair services

– Transportation and logistics services

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