In mining and quarrying, water supply, sewage and waste management, environmental remediation, and electricity, gas and steam supply a small share of observed enterprises was engaged (less than 1%).
Z dejavnostjo rudarstvo, oskrba z vodo, ravnanje z odplakami in odpadki, saniranje okolja ter oskrba z električno energijo, plinom in paro se je ukvarjal manjši del opazovanih podjetij (manj kot 1%).