Company lists · Data refreshed November 2026

Top 25 Directional logging services worldwide

RevenueBase identified 781 company matches for directional logging services worldwide as of November 2026 and tracks 106,043 professional contacts across them, including 27,045 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for directional logging services 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 directional logging services 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
781Companies
106,043Contacts tracked
27,045Verified emails
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The 25 largest directional logging services worldwide

Ranked by team size
Top 25 of 781 company matches for directional logging services 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 matchHouston, United StatesHQ recorded Nov 6, 202610001+58,281 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, United StatesHQ recorded Nov 6, 20265,001-10,0006,924 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,991 contacts →

Exact match

“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+2,552 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0002,408 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0001,792 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,245 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHumble, TX, United StatesHQ recorded Nov 6, 20261,001-5,000912 contacts →

Exact match

“Innovex International, Inc (NYSE: INVX) is a Houston-based company established in 2024 following the merger of Dril-Quip, Inc and Innovex Downhole Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCalgary, WY, CanadaHQ recorded Nov 6, 2026501-1,000860 contacts →

Exact match

“Phoenix Technology Services delivers progressive directional drilling solutions to unconventional drilling markets around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Nov 6, 20261,001-5,000750 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCalgary, TX, CanadaHQ recorded Nov 6, 2026501-1,000695 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-500486 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000457 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTehran, IranHQ recorded Nov 6, 20261,001-5,000421 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000384 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrisbane, AustraliaHQ recorded Nov 6, 2026201-500364 contacts →

Exact match

“Welcome to Lucas!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWindsor, CO, United StatesHQ recorded Nov 6, 202651-200334 contacts →

Exact match

“Total Directional Services, LLC is a privately owned, managed and operated service company headquartered in Windsor, CO.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew Iberia, LA, United StatesHQ recorded Nov 6, 2026501-1,000304 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“Cathedral Energy Services (TSX:CET) is a trusted partner to North American energy companies requiring high performance directional drilling services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000287 contacts →

Exact match

“China National Logging Corporation (CNLC), a subsidiary of CNPC Services & Engineering Ltd, solely on behalf of CNPC providing well bore technical services in international…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500260 contacts →

Exact match

“NOV™ IntelliServ® provides the oil and gas industry with broadband networked drillstrings and along-string evaluation that enables downhole conditions to be measured, evaluated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchConroe, TX, United StatesHQ recorded Nov 6, 2026201-500259 contacts →

Exact match

“ProDirectional was established in 2001 by experienced drilling industry professionals who believed the oil and gas services market was lacking a directional services company that…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchConroe, TX, United StatesHQ recorded Nov 6, 2026501-1,000234 contacts →

Exact match

“Visit us at MS Directional”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchConroe, TX, United StatesHQ recorded Nov 6, 2026501-1,000225 contacts →

Exact match

“For more than 30 years, MS Directional, a Patterson-UTI company, has led the way in directional drilling services across North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAirdrie, AB, SingaporeHQ recorded Nov 6, 2026201-500219 contacts →

Exact match

“GOWell is a leading Wireline Logging technology company with research, development and manufacturing capabilities of Cased-hole and Open-hole logging equipment with primary…”

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

Showing 25 of 781 directional logging services worldwide

See the full list, filter by size, metro and specialty, and access 27,045 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Directional logging services worldwide at a glance

As of Nov 6, 2026
25.5%Verified-email coverage
135.8Average contacts per company
11-50Median size (employees)
8.2%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
225
11-50
297
51-200
157
201-500
56
501-1,000
26
1,001-5,000
14
5,001-10,000
2
10001+
4

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 directional logging services are linked below.
What qualifies
Company records worldwide whose business descriptions match “directional logging services” 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 27,045 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.

Directional logging services by location

5 lists · largest first

Every Directional logging services 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 “directional logging services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many directional logging services are there worldwide?

RevenueBase identified 781 company matches for directional logging services 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?

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

Which country has the most directional logging services?

The United States leads with 278 companies, followed by Canada (77). Every directional logging services list by country and city is linked on this page.

Which city has the most directional logging services?

Houston leads with 64 company records, followed by Calgary (43) and Midland (27).

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 27,045 professional contacts with verified work emails tracked across these 781 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.