– Building insulation and weather-proofing contractors
– Building maintenance services
– Gas, water, plumbing, heating, ventilation and air conditioning (HVAC) plant installation and maintenance contractors
– Pipework and tubing installation contractors
– Plastering contractors

– Civil and marine engineering contractors

– Earth-moving, excavation, foundation and tunnelling contractors

Education, Training & Organizations

– Education and training

– General education schools

– International organisations, administrations and associations

– Trade associations

Energy, Environment

– Energy, fuel and water

– Crude oil (petroleum) production

– Gas production

– Water supply services

Leisure & Tourism

– Hospitality, tourism, hotel and catering industries

– Holiday camps and tourist complexes

– Travel agents, tour operators

– Leisure, culture and entertainment

– Sports clubs

Metals, Machinery & Engineering

– Industrial subcontractors

– Mechanical assembly contractors

Paper, Printing, Publishing

– Printing and publishing

– Publishing: Newspapers and magazines

Retail & Trader

– General traders, department and retail stores

– Flowers and plants (wholesale)

– Retail trade

– Wholesale trade

Transport & Logistics

– Means of transport

– Caravans, towable

– Transportation and logistics services

– Road haulage, bulk
– Road haulage, part loads
– Road transport scheduled passenger services