How many companies have PKD 36.00.Z?

The primary industry for 929 companies is water collection, treatment and supply. 755 entities have filed financial statements.

How many new companies were registered in 2024?

In 2024, 15 new companies with PKD 36.00.Z were registered. In all of 2023, there were 16 such companies.

How many companies were deregistered in 2024?

In 2024, no companies with PKD 36.00.Z were deregistered. In all of 2023, there was 1 such company.

What revenue do companies in this industry generate?

In 2025, the median revenue for PKD 36.00.Z was USD 2.86m and the mean revenue was USD 6.30m, based on 714 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.

Are companies with PKD 36.00.Z profitable?

Yes, in 2025, the median net profit was USD 30.61k, an improvement on 2024 (USD 5.07k). Among all 626 industries in Poland, PKD 36.00.Z ranks 92nd, putting it in the top 15%.

What legal form do companies in this industry take?

The most common legal form for PKD 36.00.Z is sp. z o.o., used by 812 companies in this industry (87.4% of the total). In second place is a sole proprietorship (88 companies, 9.5%), and in third place – S.A. (12 companies, 1.3%).

Water collection, treatment and supply (PKD 36.00.Z)2007

Industry statistics (2025)

Number of companies

Companies

4,101

Companies (primary PKD)

929

Companies with financials

755

Business turnover

Legal structure

Legal formShare of companiesNumber of companies

Sp. z o.o.87.4%812
JDG9.5%88
S.A.1.3%12
Cooperative0.4%4
P.S.A.0.3%3
Sp. j.0.3%3
Foundation0.3%3
Sp. k.0.2%2
Association0.1%1
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	Wodociągi Miasta Krakowa	S.A.	USD 180.61m	USD 5.58m
2	Miejskie Przedsiębiorstwo Wodociągów I Kanalizacji	S.A.	USD 178.78m	USD 23.37m
3	Zakład Wodociągów I Kanalizacji	sp. z o.o.	USD 119.28m	USD 7.34m
4	Górnośląskie Przedsiębiorstwo Wodociągów	S.A.	USD 101.09m	USD 7.42m
5	Miejskie Wodociągi I Kanalizacja w Bydgoszczy	sp. z o.o.	USD 83.32m	USD 9.85m
6	Katowickie Wodociągi	S.A.	USD 78.34m	USD 776.65k
7	Zakład Wodociągów I Kanalizacji	sp. z o.o.	USD 75.79m	USD 5.17m
8	Przedsiębiorstwo Wodociągów i Kanalizacji	sp. z o.o.	USD 61.48m	USD 3.37m
9	Aqua	S.A.	USD 53.87m	USD 2.51m
10	Przedsiębiorstwo Wodociągów i Kanalizacji Okręgu Częstochowskiego	S.A.	USD 51.88m	USD 640.48k

Fastest-growing companies

#	Company	Legal form	Revenue	Y/Y growth
1	Gminny Zakład Gospodarki Komunalnej Legnickie Pole	sp. z o.o.	USD 5.01m	+83.1% y/y
2	Przedsiębiorstwo Wodociągów I Kanalizacji	sp. z o.o.	USD 35.00m	+44.0% y/y
3	Komunalne Przedsiębiorstwo Wodociągów I Kanalizacji	sp. z o.o.	USD 7.49m	+41.0% y/y
4	Skywater	sp. z o.o.	USD 12.57m	+38.9% y/y
5	Gminny Zakład Obsługi	sp. z o.o.	USD 5.35m	+37.0% y/y
6	Karkonoski System Wodociągów I Kanalizacji	sp. z o.o.	USD 19.78m	+34.2% y/y
7	Wodociągi I Kanalizacja	sp. z o.o.	USD 4.83m	+31.9% y/y
8	Inwest-KOM w Gniewie	sp. z o.o.	USD 5.04m	+29.9% y/y
9	Przedsiębiorstwo Usług Miejskich	sp. z o.o.	USD 7.14m	+29.4% y/y
10	Opolskie Przedsiębiorstwo Komunalne	sp. z o.o.	USD 4.01m	+29.1% y/y

Stock market

No companies from this industry are listed.