Company lists · Data refreshed October 2026

Top 25 Civil works contractors for hydro worldwide

Name: Civil works contractors for hydro worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 11,503 companies tracked

RevenueBase identified 11,503 company matches for civil works contractors for hydro worldwide as of October 2026 and tracks 594,940 professional contacts across them, including 97,964 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for civil works contractors for hydro worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026. Country and city lists for civil works contractors for hydro follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built

11,503Companies

594,940Contacts tracked

97,964Verified emails

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The 25 largest civil works contractors for hydro worldwide

Ranked by team size

Top 25 of 11,503 company matches for civil works contractors for hydro worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kiewit	Exact match	Omaha, NE, United StatesHQ recorded Oct 9, 2026	10001+	20,487 contacts →
	Exact match “At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Oct 9, 2026	5,001-10,000	10,742 contacts →
	Exact match “KEC International Limited, the flagship company of RPG Enterprises is a diversified global infrastructure Engineering, Procurement & Construction (EPC) major, with a presence in…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Laing O'rourke	Exact match	North Sydney, United KingdomHQ recorded Oct 9, 2026	10001+	8,546 contacts →
	Exact match “Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Oct 9, 2026	5,001-10,000	7,832 contacts →
	Exact match “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Oct 9, 2026	1,001-5,000	6,682 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Webuild	Exact match	Rozzano (mi), ItalyHQ recorded Oct 9, 2026	10001+	6,038 contacts →
	Exact match “Webuild is a global leader in the construction of large, complex infrastructure, with a focus on sustainable mobility, hydropower, water treatment and supply, and green buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	GS E&c	Exact match	Seoul, South KoreaHQ recorded Oct 9, 2026	5,001-10,000	5,758 contacts →
	Exact match “GS E&C is Korea`s representative global contractor leveraging its experience in Civil Engineering, Building, Oil & Gas, Power Plants and Renewable Energy to continually provide…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Enka İnşaat VE Sanayi A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Oct 9, 2026	10001+	5,713 contacts →
	Exact match “Founded in 1957, ENKA is Türkiye’s largest construction company and has maintained its place among ENR’s Top International Contractors since 1981.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Daewoo Engineering & Construction Co.,ltd	Exact match	Seoul, South KoreaHQ recorded Oct 9, 2026	5,001-10,000	4,986 contacts →
	Exact match “Daewoo E&C has been enriching people’s lives ever since its establishment in 1973.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Leighton Asia	Exact match	Wan Chai, Hong KongHQ recorded Oct 9, 2026	10001+	4,179 contacts →
	Exact match “Established in 1974 and headquartered in Hong Kong, Leighton Asia delivers a portfolio of high-profile infrastructure projects throughout Asia.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	China Harbour Engineering Co. LTD	Exact match	Beijing, ChinaHQ recorded Oct 9, 2026	5,001-10,000	4,026 contacts →
	Exact match “CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	ICA Ingenieros Civiles Asociados	Exact match	MexicoHQ recorded Oct 9, 2026	10001+	3,939 contacts →
	Exact match “Somos una empresa mexicana con 68 años de experiencia en brindar soluciones integrales a retos complejos de infraestructura.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Costain Group PLC	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1,001-5,000	3,897 contacts →
	Exact match “Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Megha Engineering & Infrastructures LTD	Exact match	Hyderabad, IndiaHQ recorded Oct 9, 2026	n/a	3,447 contacts →
	Exact match “EPC Contractor in Irrigation, Water, Hydrocarbon and Power sectors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Murphy	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1,001-5,000	3,280 contacts →
	Exact match “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Eiffage Génie Civil	Exact match	Vélizy-villacoublay, FranceHQ recorded Oct 9, 2026	10001+	3,254 contacts →
	Exact match “En France, en Europe et à l’international, Eiffage Génie Civil déploie son expertise et son savoir-faire pour la conception et la construction de nombreux ouvrages.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Sinohydro	Exact match	Beijing, ChinaHQ recorded Oct 9, 2026	10001+	3,228 contacts →
	Exact match “http://eng.sinohydro.com/en/index.asp” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	EEI Corporation	Exact match	Makati City, PhilippinesHQ recorded Oct 9, 2026	10001+	3,161 contacts →
	Exact match “EEI Corporation is recognized as one of the leading construction companies in the Philippines.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Implenia	Exact match	Opfikon, SwitzerlandHQ recorded Oct 9, 2026	5,001-10,000	3,150 contacts →
	Exact match “As Switzerland’s leading construction and real estate service provider, Implenia develops, builds and manages homes, workplaces and infrastructure for future generations in…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	DL E&c Co., LTD	Exact match	Seoul, South KoreaHQ recorded Oct 9, 2026	5,001-10,000	2,985 contacts →
	Exact match “DL E&C started off as Korea’s first construction company and has grown into a global corporation.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Porr Group	Exact match	Vienna, AustriaHQ recorded Oct 9, 2026	10001+	2,807 contacts →
	Exact match “Driving innovation for excellence – that’s what PORR stands for for more than 150 years.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	''skonto Buve'' SIA	Exact match	LatviaHQ recorded Oct 9, 2026	501-1,000	2,770 contacts →
	Exact match “A variety of construction and design works are carried out by the limited company Skonto buve, including the following:construction and reconstruction of industrial, residential…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	SADE	Exact match	75685 Paris Cedex 14, FranceHQ recorded Oct 9, 2026	5,001-10,000	2,639 contacts →
	Exact match “RESEAUX ET INFRASTRUCTURES Entreprise plus que centenaire forte de quelque 7 collaborateurs, la SADE est le spécialiste de la conception, la construction, la réhabilitation et…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Michels Corporation	Exact match	Brownsville, WI, United StatesHQ recorded Oct 9, 2026	10001+	2,489 contacts →
	Exact match “Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Hindustan Construction Company	Exact match	Mumbai, IndiaHQ recorded Oct 9, 2026	1,001-5,000	2,447 contacts →
	Exact match “HCC is a business group developing and building responsible infrastructure through next practices.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “civil works contractors for hydro”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 11,503 civil works contractors for hydro worldwide

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Civil works contractors for hydro worldwide at a glance

As of Oct 9, 2026

16.5%Verified-email coverage

51.7Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Tehran

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

2,637

11-50

3,720

51-200

2,718

201-500

1,164

501-1,000

535

1,001-5,000

451

5,001-10,000

106

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for civil works contractors for hydro are linked below.
What qualifies: Company records worldwide whose business descriptions match “civil works contractors for hydro” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 97,964 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 9, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Civil works contractors for hydro by location

45 lists · largest first

Every Civil works contractors for hydro list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “civil works contractors for hydro”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many civil works contractors for hydro are there worldwide?

RevenueBase identified 11,503 company matches for civil works contractors for hydro worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kiewit tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most civil works contractors for hydro?

The United States leads with 1,373 companies, followed by India (932) and Italy (690). Every civil works contractors for hydro list by country and city is linked on this page.

Which city has the most civil works contractors for hydro?

Tehran leads with 109 company records, followed by Sao Paulo (98) and Ankara (83).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 97,964 professional contacts with verified work emails tracked across these 11,503 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.