Water collection, treatment and supply (PKD 36.00.Z)
This subclass includes:
- abstraction of water from rivers, lakes and groundwater,
- water treatment for supply purposes,
- desalination of seawater or groundwater for the production of water, where treated as a principal activity,
- water distribution through water supply networks, by tankers or by other means of transport,
- collection of rainwater,
- operation of irrigation systems,
- rental and leasing of water distribution networks.
This subclass excludes:
- use of irrigation systems for agricultural purposes, classified in 01.61.Z,
- production of natural mineral waters and other bottled waters, classified in 11.07.Z,
- wastewater treatment for the prevention of pollution, classified in 37.00.Z,
- installation of water meters, classified in 43.22.Z,
- transportation of water by transmission pipelines, classified in 49.50.B,
- reading of water meters performed on order, classified in 82.99.B.
Industry statistics (2025)
Number of companies
Companies
7,884
Companies (primary PKD)
1,145
Companies with financials
788
Business turnover
Legal structure
Legal formShare of companiesNumber of companies
- Sp. z o.o.78.2%895
- JDG17.2%197
- S.A.1.5%17
- Sp. k.0.8%9
- Cooperative0.6%7
- Sp. j.0.4%5
- P.S.A.0.3%3
- Foundation0.3%3
- Other0.3%3
- Association0.2%2
Financial results
The calculation excludes new companies that pull financial results down. Only firms with a filing in the previous year are included, so market trends are easier to read.
Median revenue
Ranking
Median revenue compared with other PKD codes.
Top companies by revenue
| # | Company | Legal form | Revenue | Net profit |
|---|---|---|---|---|
| 1 | S.A. | USD 180.61m | USD 5.58m | |
| 2 | sp. z o.o. | USD 119.28m | USD 7.34m | |
| 3 | S.A. | USD 101.09m | USD 7.42m | |
| 4 | sp. z o.o. | USD 83.32m | USD 9.85m | |
| 5 | S.A. | USD 78.34m | USD 776.65k | |
| 6 | sp. z o.o. | USD 75.79m | USD 5.17m | |
| 7 | sp. z o.o. | USD 61.48m | USD 3.37m | |
| 8 | S.A. | USD 53.87m | USD 2.51m | |
| 9 | S.A. | USD 51.88m | USD 640.48k | |
| 10 | sp. z o.o. | USD 48.32m | USD 2.22m |
Fastest-growing companies
| # | Company | Legal form | Revenue | Y/Y growth |
|---|---|---|---|---|
| 1 | sp. z o.o. | USD 5.01m | +83.1% y/y | |
| 2 | sp. z o.o. | USD 5.49m | +45.2% y/y | |
| 3 | sp. z o.o. | USD 35.00m | +44.0% y/y | |
| 4 | sp. z o.o. | USD 7.49m | +41.0% y/y | |
| 5 | sp. z o.o. | USD 4.42m | +40.2% y/y | |
| 6 | sp. z o.o. | USD 12.57m | +38.9% y/y | |
| 7 | sp. z o.o. | USD 5.35m | +37.0% y/y | |
| 8 | sp. z o.o. | USD 19.78m | +34.2% y/y | |
| 9 | sp. z o.o. | USD 4.83m | +31.9% y/y | |
| 10 | sp. z o.o. | USD 5.04m | +29.9% y/y |
Stock market
2 companies from this industry are listed.
| Company | Ticker | Market | Price | Change | Market cap |
|---|---|---|---|---|---|
| AQU | NewConnect | PLN 12.00 | 0.00% | USD 38.96m | |
| WOD | NewConnect | PLN 6.70 | -4.29% | USD 8.57m |
FAQ
The primary industry for 1,145 companies is water collection, treatment and supply. 788 entities have filed financial statements.
So far in 2026, 26 new companies with PKD 36.00.Z have been registered. In all of 2025, there were 22 such companies.
So far in 2026, 7 companies with PKD 36.00.Z have been deregistered. In all of 2025, there were 13 such companies.
In 2025, the median revenue for PKD 36.00.Z was USD 2.87m and the mean revenue was USD 6.13m, based on 702 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.
Yes, in 2025, the median net profit was USD 30.87k, an improvement on 2024 (USD 5.05k). Among all 674 industries in Poland, PKD 36.00.Z ranks 96th, putting it in the top 14%.
The most common legal form for PKD 36.00.Z is sp. z o.o., used by 895 companies in this industry (78.2% of the total). In second place is a sole proprietorship (197 companies, 17.2%), and in third place – S.A. (17 companies, 1.5%).








