Company lists · Data refreshed November 2026

Top 24 Well logging downhole test equipment suppliers based in the United States

RevenueBase identified 496 company matches for well logging downhole test equipment suppliers associated with the United States as of November 2026 and tracks 20,940 professional contacts across them, including 4,901 with verified work emails. Houston is the largest hub.

This list covers company matches for well logging downhole test equipment suppliers associated with the United States, 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.

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
496Companies
20,940Contacts tracked
4,901Verified emails
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The 24 largest well logging downhole test equipment suppliers based in the United States

Ranked by team size
Top 24 of 496 company matches for well logging downhole test equipment suppliers based in the United States, 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 matchHouston, TX, United StatesHQ recorded Nov 3, 20261,001-5,0002,119 contacts →

Exact match

“For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 3, 20265,001-10,0001,831 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 3, 20261,001-5,0001,223 contacts →

Exact match

“Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchHumble, TX, United StatesHQ recorded Nov 3, 20261,001-5,000912 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchHouston, AL, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchHouston, TX, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
8Exact matchHouston, ND, United StatesHQ recorded Nov 3, 20261,001-5,000351 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchHouston, TX, United StatesHQ recorded Nov 3, 2026201-500295 contacts →

Exact match

“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchHouston, TX, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 3, 2026501-1,000206 contacts →

Exact match

“Getting it done right.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchLevelland, TX, United StatesHQ recorded Nov 3, 2026501-1,000202 contacts →

Exact match

“Founded in 1980, Butch's has been leading the pack as the premier service provider for the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchLevelland, TX, United StatesHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
16Exact matchMesquite, TX, United StatesHQ recorded Nov 3, 2026201-500184 contacts →

Exact match

“Founded in 1956, Fritz Industries is an employee owned company that has grown into an international research and manufacturing company serving oilfield customers worldwide.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchLafayette, LA, United StatesHQ recorded Nov 3, 2026201-500169 contacts →

Exact match

“FDF Energy Services has been providing world class customer service to the Oil and Gas Industry for over forty years.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Nov 3, 202651-200159 contacts →

Exact match

“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchPinehurst, TX, United StatesHQ recorded Nov 3, 202651-200155 contacts →

Exact match

“The Company was formed as Midwest Well Logging in December 1964 by Hoyt Hudspeth and Harold McConnell.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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
22Exact matchLongview, TX, United StatesHQ recorded Nov 3, 2026201-500125 contacts →

Exact match

“Thomas Oilfield Services is committed to providing the best services and equipment in the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 3, 2026201-500122 contacts →

Exact match

“Blackhawk Specialty Tools provides oil and gas operators with engineered solutions that improve performance and efficiency.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchHouma, LA, United StatesHQ recorded Nov 3, 2026201-500121 contacts →

Exact match

“From our beginnings in 1978 as a small but unique oilfield rental tool company, Gulfstream has continually expanded and evolved to meet the needs of the ever-changing oil and gas…”

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

Showing 24 of 496 well logging downhole test equipment suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 4,901 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Well logging downhole test equipment suppliers based in the United States at a glance

As of Nov 3, 2026
23.4%Verified-email coverage
42.2Average contacts per company
11-50Median size (employees)
20.4%Largest-city concentration · Houston
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
168
11-50
177
51-200
91
201-500
34
501-1,000
12
1,001-5,000
11
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 496 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “well logging downhole test equipment 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,901 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.

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 logging downhole test equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many well logging downhole test equipment suppliers are there based in the United States?

RevenueBase identified 496 company matches for well logging downhole test equipment suppliers associated with the United States 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?

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

Which city has the most well logging downhole test equipment suppliers?

Houston leads with 101 company records, followed by Midland (28) and Odessa (14).

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 4,901 professional contacts with verified work emails tracked across these 496 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.