Company lists · Data refreshed October 2026

Top 19 Civil engineering contractors for water infrastructure based in Ankara, Türkiye

RevenueBase identified 86 company matches for civil engineering contractors for water infrastructure associated with Ankara, Türkiye as of October 2026 and tracks 3,339 professional contacts across them, including 364 with verified work emails. Across Türkiye, Ankara is the largest hub for this category.

This list covers company matches for civil engineering contractors for water infrastructure associated with Ankara, Türkiye, 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.

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
86Companies
3,339Contacts tracked
364Verified emails
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The 19 largest civil engineering contractors for water infrastructure based in Ankara, Türkiye

Ranked by team size
Top 19 of 86 company matches for civil engineering contractors for water infrastructure based in Ankara, Türkiye, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20265,001-10,000866 contacts →

Exact match

“GÜLERMAK, since its establishment, has been a top leading international EPC contractor known for its excellent reputation and professionalism.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20261,001-5,000334 contacts →

Exact match

“ERG İnşaat Ticaret ve Sanayi Anonim Şirketi, 1972 yılından beri havaalanı inşaatları, her türlü yol, köprü inşaatları, baraj ve hidroelektrik santral inşaatları, termik santral…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20265,001-10,000331 contacts →

Exact match

“Fernas is a Turkey based company currentlyFounded in 1982, Fernas Construction is the Group's locomotive company.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20265,001-10,000317 contacts →

Exact match

“EKON is a leading engineering & construction company for establishing infrastructure and integrated industrial projects from the planning and design stages, through engineering…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Oct 9, 2026201-500200 contacts →

Exact match

“TEMELSU is a well known Turkish consulting engineering company which provides multidisciplinary engineering services, locally and internationally, since its foundation in 1969.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchAnkara, TürkiyeHQ recorded Oct 9, 2026501-1,000184 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20261,001-5,00091 contacts →

Exact match

“Supported by its 60+ years of experience and vision focused on the future, HGG has been delivering general contracting services in various fields of construction and renewable…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20261,001-5,00071 contacts →

Exact match

“GAMA INDUSTRIAL PLANTS MANUFACTURING AND ERECTION INC.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchAnkara, TürkiyeHQ recorded Oct 9, 202651-20059 contacts →

Exact match

“AKA SU» şirketi 1998 yılında kuruldu.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchAnkara, TürkiyeHQ recorded Oct 9, 2026201-50030 contacts →

Exact match

“Erksis Energy Investment Construction and Trade Inc.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchAnkara, TürkiyeHQ recorded Oct 9, 2026201-50030 contacts →

Exact match

“Firmamız yol, köprü, baraj, konut, havalimanı, endüstriyel tesis gibi projelerde yer almış ve taahhütlerini eksiksiz yerine getirmiştir.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20261,001-5,00027 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchAnkara, TürkiyeHQ recorded Oct 9, 202611-5016 contacts →

Exact match

“TR-AKAR-SU Mühendislik Müşavirlik Ltd.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchAnkara, TürkiyeHQ recorded Oct 9, 202611-5012 contacts →

Exact match

“We design and manage storage, irrigation and enery systems, water distribution enterprises and related facilities.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchAnkara, TürkiyeHQ recorded Oct 9, 202611-509 contacts →

Exact match

“AYKOME, tescilli sloganı olan Altyapı Koordinasyon Merkezi kısaltması olarak markalaşmıştır.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchAnkara, TürkiyeHQ recorded Oct 9, 202611-508 contacts →

Exact match

“SUMODEL Engineering and Consulting Inc.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20261-106 contacts →

Exact match

“Hidrowell Mühendislik Müşavirlik Ltd.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchAnkara, TürkiyeHQ recorded Oct 9, 202611-504 contacts →

Exact match

“NOKTASAL PROJE, müşterilerine söz verdiği kaliteden ödün vermeden hizmet verebilmek amacıyla mühendislik hizmetleri kapsamındaki her türlü işi kendi bünyesinde yapmak üzere…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchAnkara, TürkiyeHQ recorded Oct 9, 20261-101 contacts →

Exact match

“Firmamız kamu ve özel sektör kuruluşlarına; Çevre mühendisliği, çevre danışmanlık hizmetleri, Su Arıtma ve Atıksu Arıtma Sistemleri dizayn, projelendirme, anahtar teslim çözümler…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 19 of 86 civil engineering contractors for water infrastructure based in Ankara, Türkiye

See the full list, filter by size, metro and specialty, and access 364 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Civil engineering contractors for water infrastructure based in Ankara, Türkiye at a glance

As of Oct 9, 2026
10.9%Verified-email coverage
38.8Average contacts per company
51-200Median size (employees)
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
19
51-200
11
201-500
14
501-1,000
5
1,001-5,000
10
5,001-10,000
5

Email recency for this list is measured across the whole Türkiye list rather than for Ankara, so it is reported there. Company counts and contact totals on this page are exact for Ankara, over 86 companies.

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.
What qualifies
Company records associated with Ankara, Türkiye whose business descriptions match “civil engineering contractors for water infrastructure” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 364 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.

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 engineering contractors for water infrastructure”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many civil engineering contractors for water infrastructure are there based in Ankara, Türkiye?

RevenueBase identified 86 company matches for civil engineering contractors for water infrastructure associated with Ankara, Türkiye 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?

Gülermak Heavy Industries Construction Contracting CO INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Türkiye has the most civil engineering contractors for water infrastructure?

Ankara leads Türkiye with 86 company records, followed by Istanbul (82) and Cankaya (34).

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 364 professional contacts with verified work emails tracked across these 86 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.