Company lists · Data refreshed November 2026

Top 25 Groundwater well contractors worldwide

RevenueBase identified 1,763 company matches for groundwater well contractors worldwide as of November 2026 and tracks 12,021 professional contacts across them, including 1,881 with verified work emails. The United States is the largest market and Nairobi the largest hub.

This list covers company matches for groundwater well contractors 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 November 6, 2026. Country and city lists for groundwater well contractors 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 Nov 6, 2026 How this list was built
1,763Companies
12,021Contacts tracked
1,881Verified emails
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The 25 largest groundwater well contractors worldwide

Ranked by team size
Top 25 of 1,763 company matches for groundwater well contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchEast Ahmadi, KuwaitHQ recorded Nov 6, 20261,001-5,000759 contacts →

Exact match

“KUWAIT DRILLING CO.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPasig, PhilippinesHQ recorded Nov 6, 2026501-1,000279 contacts →

Exact match

“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKarachi, PakistanHQ recorded Nov 6, 20261,001-5,000176 contacts →

Exact match

“Bore and Bore Private Limited is one of the largest emerging firms in the drilling industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500126 contacts →

Exact match

“Part of WJ Group, WJ Middle East leads the field in design, installation, and maintenance of dewatering systems for construction sites.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMendoza, ArgentinaHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“Drilling Company”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHaren, GermanyHQ recorded Nov 6, 2026501-1,00097 contacts →

Exact match

“Water has been our passion for more than 60 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGildehaus, GermanyHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Wij zorgen voor droge voeten!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchZone 40, QatarHQ recorded Nov 6, 2026201-50080 contacts →

Exact match

“Hydroserv International is a leading name in the MENA region in dewatering, groundwater control, remediation, drilling, centrifugal pumps & specialized pumping services for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMexicoHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Servicios de Perforación, Terminación y Reparación de pozos Petroleros Terrestres y Geotérmicos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKings Langley, United KingdomHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Part of the WJ Group, WJ UK offer a complete groundwater control and management service, which encompasses design, installation and maintenance programmes to businesses throughout…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDammam, Saudi ArabiaHQ recorded Nov 6, 2026201-50065 contacts →

Exact match

“AlSuhaimi Group Holding is a family owned company serving Saudi Arabia and The GCC from our offices located in Dammam, Riyadh, and Jeddah.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWillis, TX, United StatesHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“Authentic relationships are standard practice at Weisinger Incorporated.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDedemsvaart, NetherlandsHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Dutch independent water well drilling company and manufacturer of complete groundwater installations suitable for drinking water, process water, and aquifer energy storage as well…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPerth, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Hagstrom Drilling is a privately owned Australian drilling contractor delivering exploration drilling, reverse circulation (RC) drilling, diamond drilling, geotechnical drilling…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSantpedor, SpainHQ recorded Nov 6, 2026201-50060 contacts →

Exact match

“Catalana de Perforacions SA is a global operating company founded in 1968 and is part of the Aquacenter Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSantiago, ChileHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Quinta es una empresa con más de 29 años de experiencia en la prestación de servicios especializados en perforación, mantención y operación de pozos profundos con fines…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSävedalen, SwedenHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Välkommen till Styrud-koncernen!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLaurel, PA, United StatesHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchItabira, BrazilHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“A Itapoços é uma empresa especializada em perfuração de poços tubulares profundos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMuscat, OmanHQ recorded Nov 6, 2026501-1,00050 contacts →

Exact match

“Lalbuksh Voltas Engineering Services & Trading LLC Lalbuksh Voltas Engineering Services and Trading LLC (Lalvol),(formerly Lalbuksh Irrigation & Drilling Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWangara, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Founded in 2019, Pentium Hydro is one of the largest dedicated hydrogeological drilling contractors in Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMishawaka, MI, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Since 1973, Peerless-Midwest, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 2026501-1,00047 contacts →

Exact match

“PLW Waterworks is an innovative waterworks infrastructure construction management and general contractor serving municipalities, water districts and water authorities across Texas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIndiaHQ recorded Nov 6, 2026201-50047 contacts →

Exact match

“We at APC drilling stand out of the usual!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWinchester, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Culy Contracting focuses on the water and sewer industry, along with total site preparation for municipalities, commercial, industrial, and residential customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,763 groundwater well contractors worldwide

See the full list, filter by size, metro and specialty, and access 1,881 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Groundwater well contractors worldwide at a glance

As of Nov 6, 2026
15.6%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
0.9%Largest-city concentration · Nairobi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
881
11-50
641
51-200
152
201-500
30
501-1,000
6
1,001-5,000
5
5,001-10,000
1
10001+
1

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 groundwater well contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “groundwater well contractors” 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 1,881 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 November 6, 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.

Groundwater well contractors by location

9 lists · largest first

Every Groundwater well contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “groundwater well contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many groundwater well contractors are there worldwide?

RevenueBase identified 1,763 company matches for groundwater well contractors worldwide as of November 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?

Kuwait Drilling Co. K.S.C.C tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most groundwater well contractors?

The United States leads with 585 companies, followed by Brazil (134) and Canada (69). Every groundwater well contractors list by country and city is linked on this page.

Which city has the most groundwater well contractors?

Nairobi leads with 15 company records, followed by Sao Paulo (10) and Midland (6).

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 1,881 professional contacts with verified work emails tracked across these 1,763 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 November 6, 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.