Company lists · Data refreshed November 2026

Top 25 Wellbore survey services worldwide

RevenueBase identified 876 company matches for wellbore survey services worldwide as of November 2026 and tracks 33,867 professional contacts across them, including 8,368 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for wellbore survey 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 wellbore survey 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
876Companies
33,867Contacts tracked
8,368Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest wellbore survey services worldwide

Ranked by team size
Top 25 of 876 company matches for wellbore survey 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, 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
2Exact 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
3Exact 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
4Exact matchHouston, AL, United StatesHQ recorded Nov 6, 20261,001-5,000798 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact matchHouston, ND, United StatesHQ recorded Nov 6, 20261,001-5,000533 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchNewcastle, AB, United StatesHQ recorded Nov 6, 2026501-1,000477 contacts →

Exact match

“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-200353 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026201-500319 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact 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
16Exact 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
17Exact matchTroisdorf, GermanyHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“Setting the Standard in Well Completion, Perforating, Seismic and Well Abandonment Technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMuscat, OmanHQ recorded Nov 6, 2026501-1,000235 contacts →

Exact match

“Special Oilfield Services (SOS) was established on the 10th of March in 1986 as a Joint Venture between Mohsin Haider Darwish LLC (MHD), one of the largest and oldest business…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact 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
21Exact 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
22Exact matchLevelland, TX, United StatesHQ recorded Nov 6, 2026501-1,000198 contacts →

Exact match

“Renegade Services is the largest privately owned wireline service company servicing the oil and gas industry in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDyce, United StatesHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

“Metrol is committed to providing efficient, reliable and cost effective downhole wireless solutions for the oil industry using acoustic, electromagnetic and inductive telemetry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEdmonton, CanadaHQ recorded Nov 6, 2026201-500171 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202651-200150 contacts →

Exact match

“PT.”

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

Showing 25 of 876 wellbore survey services worldwide

See the full list, filter by size, metro and specialty, and access 8,368 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Wellbore survey services worldwide at a glance

As of Nov 6, 2026
24.7%Verified-email coverage
38.7Average contacts per company
11-50Median size (employees)
6.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
320
11-50
324
51-200
147
201-500
44
501-1,000
18
1,001-5,000
13
5,001-10,000
5
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 wellbore survey services are linked below.
What qualifies
Company records worldwide whose business descriptions match “wellbore survey 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 8,368 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.

Wellbore survey services by location

6 lists · largest first

Every Wellbore survey 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 “wellbore survey services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many wellbore survey services are there worldwide?

RevenueBase identified 876 company matches for wellbore survey 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?

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

Which country has the most wellbore survey services?

The United States leads with 253 companies, followed by Canada (79) and the United Kingdom (52). Every wellbore survey services list by country and city is linked on this page.

Which city has the most wellbore survey services?

Houston leads with 60 company records, followed by Calgary (41) and Midland (22).

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 8,368 professional contacts with verified work emails tracked across these 876 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.

Ready to reach these companies? Verified emails and direct dials for all 876 wellbore survey services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.