| Nace | Description | Number of Company |
|---|---|---|
| 36.00.02 | Water collection, purification and distribution | 174 |
| 36.00.03 | Maintenance and repair of water meters | 3 |
| 37.00.01 | Sewage (removal and purification of sewage wastes, operation of sewage systems and waste water treatment plants, emptying and cleaning of septic tanks and pools, portable toilets activities, etc.) | 174 |
| 38.11.01 | Collection of nonhazardous waste (garbage, recyclable materials, textile waste, etc.) (except construction and demolition waste, wrecks such as bushes, twigs, debris, etc.) | 484 |
| 38.11.03 | Operation of non-hazardous waste transfer station | 11 |
| 38.12.01 | Collection of hazardous waste (activities for collection of explosive, oxidizing, flammable, toxic, corrosive, infectious wastes and substances harmful to human health) (nuclear wastes, biochemical wastes, used batteries, etc.) | 41 |
| 38.21.01 | Treatment and disposal of nonhazardous waste and operation of storage areas for their disposal | 124 |
| 38.22.01 | Treatment and disposal of hazardous waste (activities for operation of hazardous waste treatment facilities, disposal of goods used for destruction of hazardous waste, etc.) (except radioactive waste) | 53 |
| 38.31.01 | Fragmentation (dismantling) of ships and floating structures for recovery of scrap materials | 37 |
| 38.31.02 | Fragmentation of scraps for recycling (equipment such as cars, computers, televisions, etc.) (except dismantling of ships and floating structures as well as those for creating usable parts for sale) | 151 |
