Company lists · Data refreshed November 2026
Top 25 Downhole sensor companies worldwide
RevenueBase identified 830 company matches for downhole sensor companies worldwide as of November 2026 and tracks 21,204 professional contacts across them, including 6,405 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for downhole sensor 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 November 6, 2026. Country and city lists for downhole sensor 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.
The 25 largest downhole sensor companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,792 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 | |||||
| 2 | 981 contacts → | ||||
Exact match “Proserv is the controls technology partner powering progress across the global energy sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 762 contacts → | ||||
Exact match “Sensirion Holding AG (SIX: SENS), headquartered in Stäfa, Switzerland, is a global leader in sensor and sensor solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 649 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 524 contacts → | ||||
Exact match “Orica Digital Solutions seamlessly connect our customers’ physical and digital worlds so they can readily understand and optimize their operations at every step of the value…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 477 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 | |||||
| 7 | 457 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 | |||||
| 8 | 402 contacts → | ||||
Exact match “Ashcroft | Industrial Measurement & Control Solutions For over 170 years, Ashcroft has been the trusted global resource for industrial measurement and control.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 362 contacts → | ||||
Exact match “We are a global technology company that designs, develops and manufactures the highest quality, most accurate and reliable customized pressure sensing devices and instruments…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 287 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 | |||||
| 11 | 260 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 | |||||
| 12 | 257 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 | |||||
| 13 | 255 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 219 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 | |||||
| 15 | 209 contacts → | ||||
Exact match “Tally Energy Services is a private-equity backed company serving the global energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 204 contacts → | ||||
Exact match “NewTech Services (NewTech Services Holding Limited) is an international oilfield services company founded in 2009.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 187 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 | |||||
| 18 | 168 contacts → | ||||
Exact match “The WellBoss Company, wholly owned by SBO AG, designs and manufactures the industry's most reliable well completion technology, delivering unrivaled, data-driven performance and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 167 contacts → | ||||
Exact match “INOVA designs and manufactures seismic data acquisition systems primarily for the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 153 contacts → | ||||
Exact match “Since 1973, Daily Thermetrics has provided the global process industries with category-leading temperature measurement solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 140 contacts → | ||||
Exact match “Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 133 contacts → | ||||
Exact match “AP Sensing offers distributed fiber optic sensing technology - DTS (Distributed Temperature Sensing), DAS (Distributed Acoustic Sensing) and DTSS (Distributed Temperature and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 128 contacts → | ||||
Exact match “Founded in 1980, Agar Corporation is a family owned operated business and a leading pioneer of process measurement and control systems and services within the energy sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 126 contacts → | ||||
Exact match “With a rich heritage spanning over 60 years of industry experience, we continuously pursue our vision to strive towards excellence in connecting the physical and digital worlds…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 125 contacts → | ||||
Exact match “ouronova is a technological innovation company oriented to the development of intelligent solutions for the E&P sector of the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “downhole sensor companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 830 downhole sensor companies worldwide
See the full list, filter by size, metro and specialty, and access 6,405 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Downhole sensor companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 sensor companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “downhole sensor 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 6,405 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.
Downhole sensor companies by location
5 lists · largest firstEvery Downhole sensor companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Downhole sensor companies based in the United States258
- Downhole sensor companies based in Canada78
- Downhole sensor companies based in the United Kingdom59
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 “downhole sensor companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many downhole sensor companies are there worldwide?
RevenueBase identified 830 company matches for downhole sensor companies 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?
Geolog International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most downhole sensor companies?
The United States leads with 258 companies, followed by Canada (78) and the United Kingdom (59). Every downhole sensor companies list by country and city is linked on this page.
Which city has the most downhole sensor companies?
Houston leads with 61 company records, followed by Calgary (39) and Aberdeen (11).
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 6,405 professional contacts with verified work emails tracked across these 830 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 830 downhole sensor companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 downhole sensor companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 830 matching company records for downhole sensor companies worldwide, with 21,204 tracked contacts and 6,405 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downhole sensor companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Geolog Internationalgeolog.comHQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 1,792 contacts → |
“Every year, drilling teams make decisions worth millions of dollars on incomplete information.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Proservproserv.comHQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 981 contacts → |
“Proserv is the controls technology partner powering progress across the global energy sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sensirionsensirion.comHQ: Stäfa, JapanReported employees: 1,001-5,000 | Stäfa, Japan | 1,001-5,000 | Exact match | 762 contacts → |
“Sensirion Holding AG (SIX: SENS), headquartered in Stäfa, Switzerland, is a global leader in sensor and sensor solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Worldwide Oilfield Machinewomgroup.comHQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 649 contacts → |
“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Groundprobegroundprobe.comHQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 524 contacts → |
“Orica Digital Solutions seamlessly connect our customers’ physical and digital worlds so they can readily understand and optimize their operations at every step of the value…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Thru Tubing Solutionsthrutubing.comHQ: Newcastle, AB, United StatesReported employees: 501-1,000 | Newcastle, AB, United States | 501-1,000 | Exact match | 477 contacts → |
“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  OIL Field Instrumentation India Pvt. LTDofiindia.comHQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 457 contacts → |
“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ashcroft INCashcroft.comHQ: Stratford, CT, United StatesReported employees: 1,001-5,000 | Stratford, CT, United States | 1,001-5,000 | Exact match | 402 contacts → |
“Ashcroft | Industrial Measurement & Control Solutions For over 170 years, Ashcroft has been the trusted global resource for industrial measurement and control.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DRUCKdruck.comHQ: Leicester, United KingdomReported employees: 501-1,000 | Leicester, United Kingdom | 501-1,000 | Exact match | 362 contacts → |
“We are a global technology company that designs, develops and manufactures the highest quality, most accurate and reliable customized pressure sensing devices and instruments…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 287 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Intelliservnov.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 260 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Dynaenergeticsdynaenergetics.comHQ: Troisdorf, GermanyReported employees: 201-500 | Troisdorf, Germany | 201-500 | Exact match | 257 contacts → |
“Setting the Standard in Well Completion, Perforating, Seismic and Well Abandonment Technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | FMC Foodtechfmctechnologies.com HQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 255 contacts → |
“FMC Technologies, Inc.(FMC Technologies) is a global provider of technology solutions for the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Gowellgowell.energyHQ: Airdrie, AB, SingaporeReported employees: 201-500 | Airdrie, AB, Singapore | 201-500 | Exact match | 219 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Tally Energy Servicestallyenergy.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 209 contacts → |
“Tally Energy Services is a private-equity backed company serving the global energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Newtech Servicesnt-serv.comHQ: Moscow, TX, RussiaReported employees: 1,001-5,000 | Moscow, TX, Russia | 1,001-5,000 | Exact match | 204 contacts → |
“NewTech Services (NewTech Services Holding Limited) is an international oilfield services company founded in 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Metrolmetrol.co.ukHQ: Dyce, United StatesReported employees: 201-500 | Dyce, United States | 201-500 | Exact match | 187 contacts → |
“Metrol is committed to providing efficient, reliable and cost effective downhole wireless solutions for the oil industry using acoustic, electromagnetic and inductive telemetry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  The Wellboss Companythewellboss.comHQ: Houston, AB, United StatesReported employees: 201-500 | Houston, AB, United States | 201-500 | Exact match | 168 contacts → |
“The WellBoss Company, wholly owned by SBO AG, designs and manufactures the industry's most reliable well completion technology, delivering unrivaled, data-driven performance and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Inova Geophysicalinovageo.comHQ: Sugar Land, United StatesReported employees: 201-500 | Sugar Land, United States | 201-500 | Exact match | 167 contacts → |
“INOVA designs and manufactures seismic data acquisition systems primarily for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Daily Thermetricsdailyinst.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 153 contacts → |
“Since 1973, Daily Thermetrics has provided the global process industries with category-leading temperature measurement solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  WWT Internationalwwtco.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 140 contacts → |
“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AP Sensingapsensing.comHQ: Boeblingen, GermanyReported employees: 51-200 | Boeblingen, Germany | 51-200 | Exact match | 133 contacts → |
“AP Sensing offers distributed fiber optic sensing technology - DTS (Distributed Temperature Sensing), DAS (Distributed Acoustic Sensing) and DTSS (Distributed Temperature and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Agar Corporation, INCagarcorp.comHQ: Houston, United StatesReported employees: 51-200 | Houston, United States | 51-200 | Exact match | 128 contacts → |
“Founded in 1980, Agar Corporation is a family owned operated business and a leading pioneer of process measurement and control systems and services within the energy sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sensecasenseca.comHQ: Remscheid, GermanyReported employees: 201-500 | Remscheid, Germany | 201-500 | Exact match | 126 contacts → |
“With a rich heritage spanning over 60 years of industry experience, we continuously pursue our vision to strive towards excellence in connecting the physical and digital worlds…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ouronovaouronova.comHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 125 contacts → |
“ouronova is a technological innovation company oriented to the development of intelligent solutions for the E&P sector of the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 830 company matches
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Downhole sensor companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
820 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 830 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Downhole sensor companies by location
5 lists · largest firstEvery Downhole sensor companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Downhole sensor companies based in the United States258
- Downhole sensor companies based in Canada78
- Downhole sensor companies based in the United Kingdom59
Cities
Questions about this company list
What does Exact match mean for downhole sensor companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downhole sensor companies did RevenueBase find worldwide?
The saved snapshot records 830 matching company records, 21,204 tracked contacts and 6,405 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 downhole sensor companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/downhole-sensor-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 downhole sensor companies worldwide
RevenueBase records 830 matching company records for downhole sensor companies worldwide, with 21,204 tracked contacts and 6,405 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downhole sensor companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Geolog Internationalgeolog.com HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 1,792 contacts → |
“Every year, drilling teams make decisions worth millions of dollars on incomplete information.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Proservproserv.com HQ: Aberdeen, United KingdomReported employees: 501-1,000 | Aberdeen, United Kingdom | 501-1,000 | Exact match | 981 contacts → |
“Proserv is the controls technology partner powering progress across the global energy sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sensirionsensirion.com HQ: Stäfa, JapanReported employees: 1,001-5,000 | Stäfa, Japan | 1,001-5,000 | Exact match | 762 contacts → |
“Sensirion Holding AG (SIX: SENS), headquartered in Stäfa, Switzerland, is a global leader in sensor and sensor solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Worldwide Oilfield Machinewomgroup.com HQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 649 contacts → |
“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Groundprobegroundprobe.com HQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 524 contacts → |
“Orica Digital Solutions seamlessly connect our customers’ physical and digital worlds so they can readily understand and optimize their operations at every step of the value…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Thru Tubing Solutionsthrutubing.com HQ: Newcastle, AB, United StatesReported employees: 501-1,000 | Newcastle, AB, United States | 501-1,000 | Exact match | 477 contacts → |
“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | OIL Field Instrumentation India Pvt. LTDofiindia.com HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 457 contacts → |
“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ashcroft INCashcroft.com HQ: Stratford, CT, United StatesReported employees: 1,001-5,000 | Stratford, CT, United States | 1,001-5,000 | Exact match | 402 contacts → |
“Ashcroft | Industrial Measurement & Control Solutions For over 170 years, Ashcroft has been the trusted global resource for industrial measurement and control.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DRUCKdruck.com HQ: Leicester, United KingdomReported employees: 501-1,000 | Leicester, United Kingdom | 501-1,000 | Exact match | 362 contacts → |
“We are a global technology company that designs, develops and manufactures the highest quality, most accurate and reliable customized pressure sensing devices and instruments…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 287 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Intelliservnov.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 260 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Dynaenergeticsdynaenergetics.com HQ: Troisdorf, GermanyReported employees: 201-500 | Troisdorf, Germany | 201-500 | Exact match | 257 contacts → |
“Setting the Standard in Well Completion, Perforating, Seismic and Well Abandonment Technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | FMC Foodtechfmctechnologies.com HQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 255 contacts → |
“FMC Technologies, Inc.(FMC Technologies) is a global provider of technology solutions for the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Gowellgowell.energy HQ: Airdrie, AB, SingaporeReported employees: 201-500 | Airdrie, AB, Singapore | 201-500 | Exact match | 219 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tally Energy Servicestallyenergy.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 209 contacts → |
“Tally Energy Services is a private-equity backed company serving the global energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Newtech Servicesnt-serv.com HQ: Moscow, TX, RussiaReported employees: 1,001-5,000 | Moscow, TX, Russia | 1,001-5,000 | Exact match | 204 contacts → |
“NewTech Services (NewTech Services Holding Limited) is an international oilfield services company founded in 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Metrolmetrol.co.uk HQ: Dyce, United StatesReported employees: 201-500 | Dyce, United States | 201-500 | Exact match | 187 contacts → |
“Metrol is committed to providing efficient, reliable and cost effective downhole wireless solutions for the oil industry using acoustic, electromagnetic and inductive telemetry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | The Wellboss Companythewellboss.com HQ: Houston, AB, United StatesReported employees: 201-500 | Houston, AB, United States | 201-500 | Exact match | 168 contacts → |
“The WellBoss Company, wholly owned by SBO AG, designs and manufactures the industry's most reliable well completion technology, delivering unrivaled, data-driven performance and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Inova Geophysicalinovageo.com HQ: Sugar Land, United StatesReported employees: 201-500 | Sugar Land, United States | 201-500 | Exact match | 167 contacts → |
“INOVA designs and manufactures seismic data acquisition systems primarily for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Daily Thermetricsdailyinst.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 153 contacts → |
“Since 1973, Daily Thermetrics has provided the global process industries with category-leading temperature measurement solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | WWT Internationalwwtco.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 140 contacts → |
“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AP Sensingapsensing.com HQ: Boeblingen, GermanyReported employees: 51-200 | Boeblingen, Germany | 51-200 | Exact match | 133 contacts → |
“AP Sensing offers distributed fiber optic sensing technology - DTS (Distributed Temperature Sensing), DAS (Distributed Acoustic Sensing) and DTSS (Distributed Temperature and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Agar Corporation, INCagarcorp.com HQ: Houston, United StatesReported employees: 51-200 | Houston, United States | 51-200 | Exact match | 128 contacts → |
“Founded in 1980, Agar Corporation is a family owned operated business and a leading pioneer of process measurement and control systems and services within the energy sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sensecasenseca.com HQ: Remscheid, GermanyReported employees: 201-500 | Remscheid, Germany | 201-500 | Exact match | 126 contacts → |
“With a rich heritage spanning over 60 years of industry experience, we continuously pursue our vision to strive towards excellence in connecting the physical and digital worlds…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ouronovaouronova.com HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 125 contacts → |
“ouronova is a technological innovation company oriented to the development of intelligent solutions for the E&P sector of the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 830 company matches
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Downhole sensor companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
820 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 830 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Downhole sensor companies by location
5 lists · largest firstEvery Downhole sensor companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Downhole sensor companies based in the United States258
- Downhole sensor companies based in Canada78
- Downhole sensor companies based in the United Kingdom59
Cities
Questions about this company list
What does Exact match mean for downhole sensor companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downhole sensor companies did RevenueBase find worldwide?
The saved snapshot records 830 matching company records, 21,204 tracked contacts and 6,405 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 downhole sensor companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/downhole-sensor-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗