- Heavy industry including foundries and welding
- Extractive industry including mining
- Chemical and petrochemical industries
- Construction and renovation works/ Assembly and installation works/ Construction of roads
- Craft including production and processing of glass, ceramics, wood and printing houses
- Metalworking as well as operators of machinery and equipment and their repair
- Electrotechnical industry, including electrics and electronics, as well as power industry
- Logistics including transport and handling (warehouse works)
- Agriculture/ Horticulture/ Forestry/ Hunting/ Fishing
- Food industry including restaurant, health care and medical services
- Security services including rescuers and firemen as well as national defence
- Sport, recreation and beauty care
- Automotive industry including construction, mechanics and repair of vehicles as well as varnishing
- Technical service of facilities including hotels, houseworks and cleaning, florists
