- C-CI
- > Trenchless technologies
- Building materials and products
- Insulating materials, products and systems
- Heating equipment
- Air-conditioning systems, ventilation
- Sanitary equipment
- Technical equipment of buildings
- Equipment for measurement, control and regulation in buildings
- Security and system technology of buildings and properties
- Sewage treatment
- Water mains and sewerage systems
- Flood control systems
- Anti-fire materials and technology
- Water and sewage pipes and fittings
- Pumping equipment
- Trenchless technologies
- Waste treatment and utilization
- Alternative (renewable) sources of energy
- Public lightning
- Transport infrastructure and parking systems
- Power stations and heating plants
- Photovoltaics
- Biomass, fuel pellets, bagasse
- Sport aircrafts – small airliners
- Rescue systems
- Tractors and agricultural machinery
- City swimming pools, sport and relaxation zones
- Traditional Czech production (glass, porcelain, educational toys, furniture)
- Medical equipment
- Miscellaneous