Company lists · Data refreshed September 2026

Top 25 Downhole sensors and equipment companies worldwide

RevenueBase identified 1,503 company matches for downhole sensors and equipment companies worldwide as of September 2026 and tracks 112,811 professional contacts across them, including 34,839 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for downhole sensors and equipment companies 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 19, 2026. Country and city lists for downhole sensors and equipment companies 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 19, 2026 How this list was built
1,503Companies
112,811Contacts tracked
34,839Verified emails
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The 25 largest downhole sensors and equipment companies worldwide

Ranked by team size
Top 25 of 1,503 company matches for downhole sensors and equipment companies worldwide, 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 matchHouston, TX, United StatesHQ recorded Sep 19, 202610001+76,561 contacts →

Exact match

“SLB is a global technology company that has driven energy innovation for more than a century.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
3Exact matchHebei, ChinaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
4Exact matchAllerød, DenmarkHQ recorded Sep 19, 2026501-1,0001,043 contacts →

Exact match

“Welltec® is a global technology company that develops and provides efficient, hi-tech solutions for the energy industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchAberdeen, United KingdomHQ recorded Sep 19, 2026501-1,000924 contacts →

Exact match

“Proserv is the controls technology partner powering progress across the global energy sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,000703 contacts →

Exact match

“Cactus designs, manufactures, sells and rents a range of highly-engineered wellheads and pressure control equipment.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchUsa, United KingdomHQ recorded Sep 19, 2026501-1,000665 contacts →

Exact match

“Delta Corporation specializes in the design and manufacture of API-compliant wellhead equipment and pressure control systems for both onshore and offshore oil and gas operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,000635 contacts →

Exact match

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchCalgary, AB, CanadaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
10Exact matchDubai, United Arab EmiratesHQ recorded Sep 19, 20265,001-10,000582 contacts →

Exact match

“Novomet is a dynamic and continually developing innovative company.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchKristiansand, NorwayHQ recorded Sep 19, 20261,001-5,000560 contacts →

Exact match

“October 2021.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchDubai, United Arab EmiratesHQ recorded Sep 19, 20261,001-5,000492 contacts →

Exact match

“Levare International Limited is a vertically integrated engineering, manufacturing, and service company headquartered in the DIFC, UAE, designing, manufacturing, and servicing…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchDubai, OK, United Arab EmiratesHQ recorded Sep 19, 2026501-1,000451 contacts →

Exact match

“NTS Amega Global is a market leader in repair, rental and manufacturing solutions supporting energy markets around the world.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
15Exact matchNewcastle, OK, United StatesHQ recorded Sep 19, 2026501-1,000428 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 · Sep 19, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-500301 contacts →

Exact match

“Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-500286 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 · Sep 19, 2026 · View company records in RevenueBase
18Exact matchEdmonton, AB, CanadaHQ recorded Sep 19, 202651-200279 contacts →

Exact match

“We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Sep 19, 20261,001-5,000278 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 · Sep 19, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-500270 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Sep 19, 202610001+243 contacts →

Exact match

“FMC Technologies, Inc.(FMC Technologies) is a global provider of technology solutions for the energy industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,000242 contacts →

Exact match

“Founded in 1947, Varel Energy Solutions is one of the world’s largest independent manufacturer and suppliers of downhole drilling and completions products to the energy sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchTroisdorf, GermanyHQ recorded Sep 19, 2026201-500237 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMuscat, OmanHQ recorded Sep 19, 2026501-1,000220 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 · Sep 19, 2026 · View company records in RevenueBase
25Exact matchConroe, TX, United StatesHQ recorded Sep 19, 2026501-1,000209 contacts →

Exact match

“Visit us at MS Directional”

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

Showing 25 of 1,503 downhole sensors and equipment companies worldwide

See the full list, filter by size, metro and specialty, and access 34,839 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Downhole sensors and equipment companies worldwide at a glance

As of Sep 19, 2026
30.9%Verified-email coverage
75.1Average contacts per company
11-50Median size (employees)
9.0%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
494
11-50
581
51-200
269
201-500
95
501-1,000
30
1,001-5,000
17
5,001-10,000
6
10001+
5

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 downhole sensors and equipment companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “downhole sensors and equipment companies” 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 34,839 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.

Downhole sensors and equipment companies by location

7 lists · largest first

Every Downhole sensors and equipment companies 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 “downhole sensors and equipment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downhole sensors and equipment companies are there worldwide?

RevenueBase identified 1,503 company matches for downhole sensors and equipment companies 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?

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

Which country has the most downhole sensors and equipment companies?

The United States leads with 497 companies, followed by Canada (156) and the United Kingdom (111). Every downhole sensors and equipment companies list by country and city is linked on this page.

Which city has the most downhole sensors and equipment companies?

Houston leads with 135 company records, followed by Calgary (81) and Aberdeen (29).

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 34,839 professional contacts with verified work emails tracked across these 1,503 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.