How many companies have PKD 42.91.Z?

The primary industry for 1,162 companies is construction of water projects. 224 entities have filed financial statements.

How many new companies were registered in 2026?

So far in 2026, 38 new companies with PKD 42.91.Z have been registered. In all of 2025, there were 108 such companies.

How many companies were deregistered in 2026?

So far in 2026, 9 companies with PKD 42.91.Z have been deregistered. In all of 2025, there were 9 such companies.

What revenue do companies in this industry generate?

In 2025, the median revenue for PKD 42.91.Z was USD 548.45k and the mean revenue was USD 1.90m, based on 146 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.

Are companies with PKD 42.91.Z profitable?

Yes, in 2025, the median net profit was USD 11.40k, down from 2024 (USD 12.63k). Among all 674 industries in Poland, PKD 42.91.Z ranks 244th, putting it in the top 36%.

What legal form do companies in this industry take?

The most common legal form for PKD 42.91.Z is a sole proprietorship, used by 794 companies in this industry (68.3% of the total). In second place is sp. z o.o. (310 companies, 26.7%), and in third place – sp. j. (24 companies, 2.1%).

Construction of water projects (PKD 42.91.Z)

This subclass includes:

construction and reconstruction works for, among others:
- waterways, port basins, rivers, marinas,
- hydraulic structures (for example locks, lifts, slipways),
- dams and embankments,
- breakwaters,
dredging of waterways (for example port basins and rivers).

This subclass excludes:

construction of underwater pipelines, classified in 42.21.Z,
laying of underwater cables, classified in 42.22.Z,
activities related to the management of construction projects in the field of civil engineering works, classified in 71.12.B.

Industry statistics (2025)

Number of companies

Companies

40,965

Companies (primary PKD)

1,162

Companies with financials

224

Business turnover

Legal structure

Legal formShare of companiesNumber of companies

JDG68.3%794
Sp. z o.o.26.7%310
Sp. j.2.1%24
Sp. k.1.1%13
S.A.0.8%9
Other0.4%5
Foundation0.2%2
P.S.A.0.1%1
Association0.1%1
Cooperative0.1%1

Financial results

Median revenue

Ranking

Median revenue compared with other PKD codes.

Top companies by revenue

#	Company	Legal form	Revenue	Net profit
1	Dabi Sm Budny	sp. z o.o. + limited partnership	USD 20.41m	USD 630.08k
2	Proffico	sp. z o.o.	USD 18.46m	USD 8.30m
3	Przedsiębiorstwo Handlowo-Usługowe Hydrobud Adam Dzik	sp. z o.o.	USD 13.12m	USD 574.68k
4	Naviga-Stal	sp. z o.o.	USD 11.26m	USD 1.12m
5	RPM	S.A.	USD 9.34m	USD -636.73k
6	Czerwony Szkwał Maritime Works	sp. z o.o.	USD 8.11m	USD 1.98m
7	Omega Zakład Sieci Wod.-Kan.	sp. z o.o.	USD 7.82m	USD -107.20k
8	Hzbud	sp. z o.o.	USD 7.62m	USD 204.75k
9	GPW Inżynieria	sp. z o.o.	USD 7.44m	USD -1.03m
10	Marine Sailor Bis	sp. z o.o.	USD 7.43m	USD 2.49m

Fastest-growing companies

#	Company	Legal form	Revenue	Y/Y growth
1	Proffico	sp. z o.o.	USD 18.46m	+376.5% y/y
2	Searenergy	sp. z o.o.	USD 4.35m	+305.5% y/y
3	Przedsiębiorstwo Budownictwa Wodnego w Warszawie	S.A.	USD 6.99m	+191.5% y/y
4	Hydrobud	sp. z o.o.	USD 2.55m	+190.3% y/y
5	Ekokan	sp. z o.o.	USD 3.12m	+158.1% y/y
6	Aquasens Eko	sp. z o.o.	USD 1.44m	+155.2% y/y
7	PRM	sp. z o.o.	USD 1.93m	+150.3% y/y
8	PBM Sułkowscy	sp. j.	USD 2.45m	+90.8% y/y
9	PBW Inżynieria	sp. z o.o.	USD 5.34m	+76.9% y/y
10	Ekomel	sp. z o.o.	USD 6.19m	+57.6% y/y

Stock market

No companies from this industry are listed.

Related PKD codes in division 42


42.11.Z	Construction of roads and motorways	90,871
42.12.Z	Construction of railways and underground railways	31,046
42.13.Z	Construction of bridges and tunnels	38,176
42.21.Z	Construction of utility projects for fluids	77,154
42.22.Z	Construction of utility projects for electricity and telecommunications	78,754