– Building contractors
– Building industry contractors
– Building insulation and weather-proofing contractors
– Building maintenance services
– Concrete works contractors
– Flooring, paving and tiling contractors
– Gas, water, plumbing, heating, ventilation and air conditioning (HVAC) plant installation and maintenance contractors
– Plastering contractors
– Roofing and wall cladding contractors

– Civil and marine engineering contractors

– Earth-moving, excavation, foundation and tunnelling contractors

– Spring, well, irrigation and water supply contractors

– Transport infrastructure engineering contractors

Education, Training & Organizations

– Medical care, social services

– Cemeteries, crematoria and funeral directors

Energy, Environment

– Energy, fuel and water

– Gas distribution

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

– Amusement arcades

– Leisure and sports centres

– Museums, art galleries

– Theatres

Metals, Machinery & Engineering

– Basic metal products

– Non-ferrous metal castings and parts

– Engines and mechanical parts

– Diesel engines

– Internal combustion engines

– Industrial subcontractors

– Metal machining contractors

– Polishing services for metals

– Sheet metal working services

– Surface coating, non metallic, for metal surfaces

– Machinery and equipment for metalworking

– Tools for chip removing machine tools, metalworking

– Tools for chipless metal forming machine tools

Paper, Printing, Publishing

– Printing and publishing

– Printing specialities

Retail & Trader

– General traders, department and retail stores

– Department and chain stores
– Retail trade
– Retail trade, building and construction materials
– Retail trade, grocery and provisions
– Scrap and waste (trade)
– Second-hand equipment
– Wholesale trade

Transport & Logistics

– Means of transport

– Motor vehicle washing equipment and services

– Transportation and logistics services

– Rail transport services

– Salvage companies and ocean towing services