Units conducting economic activity classified according to the NACE Rev.2 within the scope of the following areas:

- Agriculture, forestry and fishing (section A)– only Forestry and logging (division 02) and Marine fishing (class 03.11),

- Mining and quarrying (section B),

- Manufacturing (section C),

- Electricity, gas, steam and air conditioning supply (section D),

- Water supply, sewerage, waste management and remediation activities (section E),

- Construction (section F),

- Wholesale and retail trade; repair of motor vehicles and motorcycles (section G),

- Transportation and storage (section H),

- Accommodation and food service activities (section I),

- Information and communication (section J),

- Real estate activities (section L),

- Professional, scientific and technical activities (section M) – excluding Scientific research and development (division 72) and Veterinary activities (division 75),

- Administrative and support service activities (section N),

- Arts, entertainment and recreation (section R),

- Other service activities (section S) – excluding Activities of membership organisations (division 94).