– Building contractors
– Concrete works contractors
– Electrical installation contractors
– Flooring, paving and tiling contractors
– Gas, water, plumbing, heating, ventilation and air conditioning (HVAC) plant installation and maintenance contractors
– Industrial and domestic chimney contractors

– Civil and marine engineering contractors

– Civil engineering contractors NES

– Earth-moving, excavation, foundation and tunnelling contractors

– Spring, well, irrigation and water supply contractors

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

– Air conditioners
– Air heaters
– Installation and maintenance services, for heating, ventilation, air conditioning (HVAC) and refrigeration equipment
– Refrigeration plant and equipment, industrial
– Refrigerators
– Ventilation, air conditioning (VAC) plants

Education, Training & Organizations

– International organisations, administrations and associations

– Public administration

– Trade unions, professional

Energy, Environment

– Environmental services, renewable energies

– Solar photovoltaic, solar thermal and solar electric equipment

– Waste collection and recycling services NES

IT, Internet, R&D

– Information technology (IT) and Internet

– Electronic data processing (EDP) services

– Internet services

– Software, industrial

– Technical offices and engineering consultancies, architects

– Town and regional planning

– Wedding veils

Leisure & Tourism

– Hospitality, tourism, hotel and catering industries

– Holiday camps and tourist complexes

– Leisure, culture and entertainment

– Amusement and leisure parks
– Amusement arcades
– Cinema, radio and television programme distribution
– Museums, art galleries
– Sports clubs

Metals, Machinery & Engineering

– Industrial subcontractors

– Sheet metal working services

Paper, Printing, Publishing

– Paper and board

– Coated and laminated paper and board

– Wrapping paper and paper packaging materials

– Printing and publishing

– Publishing: Newspapers and magazines

– Printing equipment. Office and shop equipment

– Publicity panels

– Signs

Retail & Trader

– General traders, department and retail stores

– Retail trade

– Wholesale trade

Textiles, Clothing, Leather, Watchmaking, Jewellery

Transport & Logistics

– Means of transport

– Aircraft

– Motor vehicle maintenance and repair services

– Motor vehicle washing equipment and services

– Transportation and logistics services

– Air charter services
– Motor vehicle hire and rental services
– Taxi and minicab services
– Warehouse services, specialised