Company lists · Data refreshed November 2026

Top 25 Well surveying instrument suppliers worldwide

RevenueBase identified 1,944 company matches for well surveying instrument suppliers worldwide as of November 2026 and tracks 23,640 professional contacts across them, including 5,650 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for well surveying instrument suppliers 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 3, 2026. Country and city lists for well surveying instrument suppliers 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 3, 2026 How this list was built
1,944Companies
23,640Contacts tracked
5,650Verified emails
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The 25 largest well surveying instrument suppliers worldwide

Ranked by team size
Top 25 of 1,944 company matches for well surveying instrument suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchDubai, United Arab EmiratesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
2Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
3Exact matchNewcastle, AB, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
4Exact matchMumbai, IndiaHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 3, 20261,001-5,000414 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchNew Iberia, LA, United StatesHQ recorded Nov 3, 2026501-1,000304 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 3, 2026201-500293 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
9Exact matchAirdrie, AB, SingaporeHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
10Exact matchCoquitlam, BC, CanadaHQ recorded Nov 3, 2026201-500147 contacts →

Exact match

“Since 1946, Hoskin Scientific has been the Canadian leader for supplier of environmental, geotechnical, and industrial instrumentation.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchLafayette, LA, United StatesHQ recorded Nov 3, 2026201-500147 contacts →

Exact match

“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Nov 3, 202651-200140 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 3, 2026 · View company records in RevenueBase
13Exact matchFrenchs Forest Nsw, AustraliaHQ recorded Nov 3, 202651-200128 contacts →

Exact match

“ESO Surveyors delivers specialist Construction Surveying and Reality Capture across Australia from offices in Sydney, Brisbane, Melbourne, Adelaide and Perth, since 1990.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchGuangzhou, ChinaHQ recorded Nov 3, 20261,001-5,000123 contacts →

Exact match

“Established in Hi-Target is a pioneering high-precision surveying and mapping instrument brand that has achieved a successful listing in China.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchWaterloo, United KingdomHQ recorded Nov 3, 202651-200119 contacts →

Exact match

“KOREC specialises in providing measurement solutions, surveying equipment and mapping systems for the UK and Ireland.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchDubai, United Arab EmiratesHQ recorded Nov 3, 202651-200114 contacts →

Exact match

“Metromac is a leader in providing Oil & Gas, Marine, Industrial and Electrical Instrumentation solutions.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchPinehurst, TX, United StatesHQ recorded Nov 3, 2026n/a110 contacts →

Exact match

“DHI Services provides the following well site services: Surface Data Logging, Drilling Instrumentation, Real-Time Data Delivery via the Internet, Mud Gas and Ambient Gas…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchAustin, TX, United StatesHQ recorded Nov 3, 202651-200108 contacts →

Exact match

“AllTerra Central is a leading provider of advanced geospatial and positioning technologies, empowering professionals across surveying, construction, mapping/GIS, forensics, and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchCalgary, AB, CanadaHQ recorded Nov 3, 202611-50102 contacts →

Exact match

“Founded in 2001, RECON is the evolution of a long line of successful oilfield service companies.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchLebanon, NH, United StatesHQ recorded Nov 3, 202651-20099 contacts →

Exact match

“GEOKON is a recognized world leader in the manufacture of geotechnical and structural instrumentation.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchDubai, United Arab EmiratesHQ recorded Nov 3, 202611-5099 contacts →

Exact match

“GECO Engineering, a wholly owned subsidiary of Albatha Group best known for its broad array of manufacturing and trading activities in consumer, electronics, automobile…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact match上海, ChinaHQ recorded Nov 3, 202651-20099 contacts →

Exact match

“Shanghai Shenkai Petroleum Science & Technology Co,Ltd is wholly-owned subsidiary of Shenkai enterprise, which has experience of research, manufacture, sale mud loggingg units…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchBroussard, LA, United StatesHQ recorded Nov 3, 202651-20098 contacts →

Exact match

“Oilfield Instrumentation is a best-in-class provider of real time drilling instrumentation and certified offshore and land buildings for the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchLittle Falls, CA, United StatesHQ recorded Nov 3, 202651-20088 contacts →

Exact match

“Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchEdmonton, AB, CanadaHQ recorded Nov 3, 2026201-50088 contacts →

Exact match

“Wenzel Downhole Tools is now Wenzel (WZL) Industries.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 1,944 well surveying instrument suppliers worldwide

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Well surveying instrument suppliers worldwide at a glance

As of Nov 3, 2026
23.9%Verified-email coverage
12.2Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · Houston
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
873
11-50
682
51-200
261
201-500
57
501-1,000
16
1,001-5,000
16
5,001-10,000
3
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 well surveying instrument suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “well surveying instrument suppliers” 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 5,650 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 3, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Well surveying instrument suppliers by location

13 lists · largest first

Every Well surveying instrument suppliers 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 “well surveying instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many well surveying instrument suppliers are there worldwide?

RevenueBase identified 1,944 company matches for well surveying instrument suppliers 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 well surveying instrument suppliers?

The United States leads with 327 companies, followed by the United Kingdom (195) and India (113). Every well surveying instrument suppliers list by country and city is linked on this page.

Which city has the most well surveying instrument suppliers?

Houston leads with 43 company records, followed by Dubai (21) and Ankara (16).

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 5,650 professional contacts with verified work emails tracked across these 1,944 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 3, 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.