Company lists · Data refreshed September 2026

Top 25 Well logging service providers worldwide

RevenueBase identified 1,292 company matches for well logging service providers worldwide as of September 2026 and tracks 110,646 professional contacts across them, including 25,476 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for well logging service providers 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 September 22, 2026. Country and city lists for well logging service providers 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 Sep 22, 2026 How this list was built
1,292Companies
110,646Contacts tracked
25,476Verified emails
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The 25 largest well logging service providers worldwide

Ranked by team size
Top 25 of 1,292 company matches for well logging service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchHouston, TX, United StatesHQ recorded Sep 22, 202610001+53,380 contacts →

Exact match

“We collaborate and engineer solutions to maximize asset value for our customers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20265,001-10,0006,466 contacts →

Exact match

“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 22, 202610001+2,317 contacts →

Exact match

“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchDubai, United Arab EmiratesHQ recorded Sep 22, 20261,001-5,0002,249 contacts →

Exact match

“OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchCalgary, AB, CanadaHQ recorded Sep 22, 20261,001-5,0002,176 contacts →

Exact match

“Ensign Energy Services Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Sep 22, 20261,001-5,0001,685 contacts →

Exact match

“Every year, drilling teams make decisions worth millions of dollars on incomplete information.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,285 contacts →

Exact match

“Cudd offers a broad range of technical and specialized oilfield services to companies engaged in the exploration and production of oil and natural gas worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchMuscat, OmanHQ recorded Sep 22, 20261,001-5,0001,244 contacts →

Exact match

“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchHebei, ChinaHQ recorded Sep 22, 202610001+1,160 contacts →

Exact match

“BGP is one of the world's leading geophysical service companies, delivering a wide range of technologies, services and equipment to the oil and gas industry worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 22, 20261,001-5,0001,134 contacts →

Exact match

“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Sep 22, 20261,001-5,000994 contacts →

Exact match

“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchMuscat, OmanHQ recorded Sep 22, 20261,001-5,000748 contacts →

Exact match

“MB Petroleum Services is a multinational corporation providing cost-effective quality drilling, integrated well services and integrated production services worldwide with the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000744 contacts →

Exact match

“Wellbore Integrity Solutions provides superior technologies and global service domain expertise, enabling our customers to enhance the full lifecycle of their wells by solving…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchEast Ahmadi, KuwaitHQ recorded Sep 22, 20261,001-5,000697 contacts →

Exact match

“KUWAIT DRILLING CO.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Sep 22, 20261,001-5,000696 contacts →

Exact match

“Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchCalgary, AB, CanadaHQ recorded Sep 22, 2026501-1,000629 contacts →

Exact match

“Pason is the leading global provider of specialized data management systems for land-based and offshore rigs worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000501 contacts →

Exact match

“Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchNoida, IndiaHQ recorded Sep 22, 2026201-500470 contacts →

Exact match

“HLS Asia Limited (HLSA) is a joint venture company between Halliburton USA & Indian partners providing Wire-line Logging, Slickline, Perforation and related services to upstream…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Sep 22, 2026501-1,000445 contacts →

Exact match

“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchTehran, IranHQ recorded Sep 22, 20261,001-5,000404 contacts →

Exact match

“North Drilling, a leading company in oil and gas well drilling, has worked out important strategies in line with its vision plan.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchMissouri City, TX, United StatesHQ recorded Sep 22, 2026201-500396 contacts →

Exact match

“GGS provides an integrated suite of Geoscience solutions to the global oil and gas industry including high-resolution RG-3D Reservoir Grade® seismic data acquisition, Multi Client…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026501-1,000379 contacts →

Exact match

“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 22, 2026201-500318 contacts →

Exact match

“The needs of the modern-day oil industry dictate that a professional and systematic approach is adopted when planning and carrying out well intervention operations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchToruń, PolandHQ recorded Sep 22, 20261,001-5,000310 contacts →

Exact match

“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Sep 22, 202651-200300 contacts →

Exact match

“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,292 well logging service providers worldwide

See the full list, filter by size, metro and specialty, and access 25,476 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Well logging service providers worldwide at a glance

As of Sep 22, 2026
23.0%Verified-email coverage
85.6Average contacts per company
11-50Median size (employees)
5.7%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
441
11-50
425
51-200
243
201-500
89
501-1,000
48
1,001-5,000
30
5,001-10,000
7
10001+
7

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 well logging service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “well logging service providers” 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 25,476 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 22, 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.

Well logging service providers by location

4 lists · largest first

Every Well logging service providers 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 “well logging service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many well logging service providers are there worldwide?

RevenueBase identified 1,292 company matches for well logging service providers worldwide 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?

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

Which country has the most well logging service providers?

The United States leads with 377 companies, followed by Canada (94) and the United Kingdom (57). Every well logging service providers list by country and city is linked on this page.

Which city has the most well logging service providers?

Houston leads with 73 company records, followed by Calgary (53) and Midland (24).

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 25,476 professional contacts with verified work emails tracked across these 1,292 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 22, 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.