Company lists · Data refreshed October 2026

Top 22 Downhole assembly machinery suppliers based in Houston, United States

RevenueBase identified 34 company matches for downhole assembly machinery suppliers associated with Houston, United States as of October 2026 and tracks 2,141 professional contacts across them, including 849 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for downhole assembly machinery suppliers associated with Houston, 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 October 24, 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 Oct 24, 2026 How this list was built
34Companies
2,141Contacts tracked
849Verified emails
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The 22 largest downhole assembly machinery suppliers based in Houston, United States

Ranked by team size
Top 22 of 34 company matches for downhole assembly machinery suppliers based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 24, 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 Oct 24, 2026201-500620 contacts →

Exact match

“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500288 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500285 contacts →

Exact match

“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261,001-5,000255 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 · Oct 24, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-200137 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 · Oct 24, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-200132 contacts →

Exact match

“PV Fluid Products is a dynamic, privately owned company that specializes in the design, manufacture, supply and support of progressing cavity power sections used in downhole…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-200130 contacts →

Exact match

“LEADERSHIP, EXPERIENCE, QUALITY, AND VALUE BICO DRILLING TOOLS, INC.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20093 contacts →

Exact match

“American Block Manufacturing Company is a worldwide leader in the design and manufacturing of oilfield and marine equipment.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5051 contacts →

Exact match

“HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5025 contacts →

Exact match

“Prime Downhole Manufacturing is a precision machining and parts manufacture providing Engineering, Service, and Repair of downhole tools and petroleum industry equipment.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5021 contacts →

Exact match

“Since 1973, Houston based Drilling Structures International Inc.(DSII) has satisfied the most demanding needs of well operators worldwide with innovative, cost-effective rig…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5017 contacts →

Exact match

“At SMS Precision Tech, you’ll find all the machined parts, large and small, that you need to keep your MWD job up and running at peak efficiency!”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5012 contacts →

Exact match

“Sniper drilling motors have earned an industry wide reputation for being amongst the leaders in in the drilling motor market having achieved thousands of hours of successful…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5011 contacts →

Exact match

“Downhole Innovations LLC specializes in downhole tool engineering, design, testing, and manufacturing.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261-107 contacts →

Exact match

“Kenjer is exclusively in the business of manufacturing, selling, renting and servicing bi-directional hydraulic down-hole jars and impact-r's.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-505 contacts →

Exact match

“Petroleum Machinery Inc.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026501-1,0005 contacts →

Exact match

“Engineered to be the most powerful high performance drilling motors on the market, the Atlas proprietary design delivers more torque at the bit to drive faster penetration rates.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-505 contacts →

Exact match

“Since 1983, we have been setting the global standard in innovative equipment for downhole tool service and testing.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-505 contacts →

Exact match

“THE CAVINS CORPORATION is an oil & energy service company based out of Houston Texas.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261-104 contacts →

Exact match

“Since 2009 Oilwell Solutions has given downhole tool service and equipment groups a competitive advantage by providing high performance, long life, EM-MWD Gap / Antenna Subs.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-501 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase

Showing 22 of 34 downhole assembly machinery suppliers based in Houston, United States

See the full list, filter by size, metro and specialty, and access 849 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Downhole assembly machinery suppliers based in Houston, United States at a glance

As of Oct 24, 2026
39.7%Verified-email coverage
63.0Average contacts per company
11-50Median size (employees)
Oct 24, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
14
51-200
6
201-500
3
501-1,000
1
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 34 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 Houston, United States whose business descriptions match “downhole assembly machinery 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 849 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 October 24, 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 “downhole assembly machinery suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downhole assembly machinery suppliers are there based in Houston, United States?

RevenueBase identified 34 company matches for downhole assembly machinery suppliers associated with Houston, United States as of October 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?

Canrig Drilling Technology LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most downhole assembly machinery suppliers?

Houston leads the United States with 34 company records, followed by Conroe (10) and Midland (7).

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 849 professional contacts with verified work emails tracked across these 34 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 October 24, 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.