4291Construction of water projects

40 companies

This activity has special requirements (e.g. a licence or notice).

Sub-industries

42911Construction of water projects40

Largest companies by revenue

1.Insenerehituse AS
10918041, Kesklinna linnaosa
Revenue 2025
€26.8M
−21%
Net profit
€1.3M
−43%
Employees
25
2.Rakennus Grupp OÜ
11123527, Pirita linnaosa
Revenue 2025
€4.6M
+13%
Net profit
€457.8K
−4.9%
Employees
2
3.GT Corporation SE
10113886, Kesklinna linnaosa
Revenue 2025
€2.9M
+38%
Net profit
€370.2K
+335%
Employees
18
4.Top Marine Infra OÜ
14645953, Saue linn
Revenue 2025
€1.6M
−39%
Net profit
€5.1K
−86%
Employees
6
5.GT EST OÜ
11591277, Kesklinna linnaosa
Revenue 2025
€1.4M
+24%
Net profit
€114K
+158%
Employees
19
6.Kolm Polti OÜ
12929178, Haabneeme alevik
Revenue 2025
€839.5K
+51%
Net profit
€327.2K
+137%
Employees
3
7.Osaühing Akvamarin
10928170, Narva linn
Revenue 2025
€334.2K
−33%
Net profit
−€18.8K
−197%
Employees
4
8.UWS Baltic OÜ
10808134, Kesklinna linnaosa
Revenue 2025
€249.5K
+39%
Net profit
€13.4K
+973%
Employees
4
9.MEFS OÜ
16107007, Kõiguste küla
Revenue 2025
€224.3K
+2,711%
Net profit
€52.9K
+584%
Employees
1
10.Altum OÜ
11544217, Põhja-Tallinna linnaosa
Revenue 2025
€203.8K
−41%
Net profit
−€53.8K
−435%
Employees
6

#	Company	Reg.	Revenue	Change	Net profit	Change	Employees
1	Insenerehituse AS 10918041, Kesklinna linnaosa	2002	€26,828,726 2025	−21%	€1,318,865	−43%	25 annual average (FTE)
2	Rakennus Grupp OÜ 11123527, Pirita linnaosa	2005	€4,600,641 2025	+13%	€457,800	−4.9%	2 annual average (FTE)
3	GT Corporation SE 10113886, Kesklinna linnaosa	1997	€2,889,197 2025	+38%	€370,211	+335%	18 annual average (FTE)
4	Top Marine Infra OÜ 14645953, Saue linn	2019	€1,594,822 2025	−39%	€5,147	−86%	6 annual average (FTE)
5	GT EST OÜ 11591277, Kesklinna linnaosa	2009	€1,439,000 2025	+24%	€113,993	+158%	19 annual average (FTE)
6	Kolm Polti OÜ 12929178, Haabneeme alevik	2015	€839,542 2025	+51%	€327,190	+137%	3 annual average (FTE)
7	Osaühing Akvamarin 10928170, Narva linn	2003	€334,248 2025	−33%	−€18,786	−197%	4 annual average (FTE)
8	UWS Baltic OÜ 10808134, Kesklinna linnaosa	2001	€249,541 2025	+39%	€13,396	+973%	4 annual average (FTE)
9	MEFS OÜ 16107007, Kõiguste küla	2020	€224,326 2025	+2,711%	€52,872	+584%	1 annual average (FTE)
10	Altum OÜ 11544217, Põhja-Tallinna linnaosa	2008	€203,819 2025	−41%	−€53,841	−435%	6 annual average (FTE)

Includes

This class includes: - construction and reconstruction of, e.g.: • waterways, harbour basins, rivers, marinas • hydromechanical structures (e.g. locks, lifts, sluices, slipways) • dams and dykes - dredging of waterways (e.g. harbour basins, rivers)

Excludes

construction of underwater pipelines, see 4221 laying of underwater cables, see 4222 project management activities related to civil engineering works, see 7112