Company lists · Data refreshed September 2026

Top 12 Water infrastructure engineering firms based in Ankara, Türkiye

RevenueBase identified 65 company matches for water infrastructure engineering firms associated with Ankara, Türkiye as of September 2026 and tracks 1,326 professional contacts across them, including 126 with verified work emails. Across Türkiye, Ankara is the largest hub for this category.

This list covers company matches for water infrastructure engineering firms 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 September 19, 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 Sep 19, 2026 How this list was built
65Companies
1,326Contacts tracked
126Verified emails
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The 12 largest water infrastructure engineering firms based in Ankara, Türkiye

Ranked by team size
Top 12 of 65 company matches for water infrastructure engineering firms based in Ankara, Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 Sep 19, 2026201-500188 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 · Sep 19, 2026 · View company records in RevenueBase
2Exact matchAnkara, TürkiyeHQ recorded Sep 19, 2026501-1,000177 contacts →

Exact match

“ELTEMTEK A.Ş olarak temel mühendislik hizmetlerinden, yatırım danışmanlığına; işletme hizmetlerine, sistem analiz etütlerine, harita ve kamulaştırma hizmetlerine uzanan geniş bir…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchAnkara, TürkiyeHQ recorded Sep 19, 202651-20060 contacts →

Exact match

“AKA SU» şirketi 1998 yılında kuruldu.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAnkara, TürkiyeHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“TR-AKAR-SU Mühendislik Müşavirlik Ltd.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Sep 19, 202611-5011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchAnkara, TürkiyeHQ recorded Sep 19, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchAnkara, TürkiyeHQ recorded Sep 19, 202611-507 contacts →

Exact match

“SUMODEL Engineering and Consulting Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchAnkara, TürkiyeHQ recorded Sep 19, 20261-106 contacts →

Exact match

“Hidrowell Mühendislik Müşavirlik Ltd.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchAnkara, TürkiyeHQ recorded Sep 19, 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 · Sep 19, 2026 · View company records in RevenueBase
10Exact matchAnkara, TürkiyeHQ recorded Sep 19, 20261-102 contacts →

Exact match

“ATINEN Engineering Consulting Software Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchAnkara, TürkiyeHQ recorded Sep 19, 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 · Sep 19, 2026 · View company records in RevenueBase
12Exact matchAnkara, TürkiyeHQ recorded Sep 19, 20261-101 contacts →

Exact match

“TECTA is a full service design-engineering and project management consultancy firm located in Ankara, Turkey.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 12 of 65 water infrastructure engineering firms based in Ankara, Türkiye

See the full list, filter by size, metro and specialty, and access 126 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water infrastructure engineering firms based in Ankara, Türkiye at a glance

As of Sep 19, 2026
9.5%Verified-email coverage
20.4Average contacts per company
11-50Median size (employees)
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
21
51-200
9
201-500
7
501-1,000
1
1,001-5,000
2

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 65 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 “water infrastructure engineering firms” 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 126 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 September 19, 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 “water infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water infrastructure engineering firms are there based in Ankara, Türkiye?

RevenueBase identified 65 company matches for water infrastructure engineering firms associated with Ankara, Türkiye as of September 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?

Temelsu International Engineering Services 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 water infrastructure engineering firms?

Ankara leads Türkiye with 65 company records, followed by Istanbul (56) and Cankaya (36).

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 126 professional contacts with verified work emails tracked across these 65 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 September 19, 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.