Sewage disposal and treatment (PKD division 37)2007
Industry statistics (2025)
Number of companies
Companies
9,772
Companies (primary PKD)
1,481
Companies with financials
326
Business turnover
Legal structure
Legal formShare of companiesNumber of companies
- JDG71.7%1,062
- Sp. z o.o.26.3%390
- S.A.0.5%8
- Sp. j.0.5%8
- Sp. k.0.3%5
- Cooperative0.3%5
- Foundation0.1%2
- Other0.1%1
Financial results
Median revenue
Ranking
Median revenue compared with other PKD codes.
Top companies by revenue
| # | Company | Legal form | Revenue | Net profit |
|---|---|---|---|---|
| 1 | S.A. | USD 447.72m | USD 8.76m | |
| 2 | S.A. | USD 209.36m | USD 6.16m | |
| 3 | sp. z o.o. | USD 66.12m | USD 6.46m | |
| 4 | sp. z o.o. | USD 63.63m | USD 4.58m | |
| 5 | sp. z o.o. | USD 62.63m | USD -4.25m | |
| 6 | sp. z o.o. | USD 60.89m | USD 2.96m | |
| 7 | sp. z o.o. | USD 52.61m | USD 3.48m | |
| 8 | S.A. | USD 40.61m | USD 2.68m | |
| 9 | sp. z o.o. | USD 37.07m | USD 3.92m | |
| 10 | sp. z o.o. | USD 36.61m | USD 3.26m |
Fastest-growing companies
| # | Company | Legal form | Revenue | Y/Y growth |
|---|---|---|---|---|
| 1 | sp. z o.o. | USD 6.53m | +172.7% y/y | |
| 2 | sp. z o.o. | USD 17.06m | +99.8% y/y | |
| 3 | sp. z o.o. | USD 4.60m | +65.3% y/y | |
| 4 | sp. z o.o. | USD 4.62m | +51.9% y/y | |
| 5 | sp. z o.o. | USD 66.12m | +34.9% y/y | |
| 6 | sp. z o.o. | USD 60.89m | +34.4% y/y | |
| 7 | sp. z o.o. | USD 3.17m | +26.7% y/y | |
| 8 | sp. z o.o. | USD 2.56m | +26.5% y/y | |
| 9 | sp. z o.o. | USD 2.87m | +24.0% y/y | |
| 10 | sp. k. | USD 4.77m | +23.2% y/y |
Stock market
No companies from this industry are listed.
PKD codes in division 37
FAQ
The primary industry for 1,481 companies is sewage disposal and treatment. 326 entities have filed financial statements.
In 2024, 86 new companies with PKD 37 were registered. In all of 2023, there were 84 such companies.
In 2024, 2 companies with PKD 37 were deregistered. In all of 2023, there were 3 such companies.
In 2025, the median revenue for PKD 37 was USD 2.51m and the mean revenue was USD 8.30m, based on 295 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.
Yes, in 2025, the median net profit was USD 51.24k, an improvement on 2024 (USD 32.73k). Among all 626 PKD divisions in Poland, it ranks 66th, putting it in the top 11%.
The most common legal form for PKD 37 is a sole proprietorship, used by 1,062 companies in this industry (71.7% of the total). In second place is sp. z o.o. (390 companies, 26.3%), and in third place – S.A. (8 companies, 0.5%).







