Company lists · Data refreshed October 2026

Top 25 Downhole assembly machinery suppliers worldwide

RevenueBase identified 659 company matches for downhole assembly machinery suppliers worldwide as of October 2026 and tracks 8,363 professional contacts across them, including 2,302 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for downhole assembly machinery 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 October 24, 2026. Country and city lists for downhole assembly machinery 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 Oct 24, 2026 How this list was built
659Companies
8,363Contacts tracked
2,302Verified emails
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The 25 largest downhole assembly machinery suppliers worldwide

Ranked by team size
Top 25 of 659 company matches for downhole assembly machinery suppliers worldwide, 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 matchNewcastle, OK, United StatesHQ recorded Oct 24, 2026501-1,000445 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 · Oct 24, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact 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
6Exact matchAlwar, IndiaHQ recorded Oct 24, 2026201-500188 contacts →

Exact match

“We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
7Exact matchLennestadt, GermanyHQ recorded Oct 24, 2026501-1,000170 contacts →

Exact match

“Soil displacement hammers (moles), pipe ramming machines, HDD boring systems and machines for the trenchless replacement of supply and drainage pipes.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
8Exact matchTomball, TX, United StatesHQ recorded Oct 24, 2026201-500155 contacts →

Exact match

“Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
9Exact matchLafayette, LA, United StatesHQ recorded Oct 24, 2026201-500145 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 · Oct 24, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact 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
13Exact matchLempäälä (tampere, FinlandHQ recorded Oct 24, 2026201-500128 contacts →

Exact match

“Robit is a global expert focused on high-quality drilling tools for mining and construction markets to help you drill Further.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
14Exact matchSalina, KS, United StatesHQ recorded Oct 24, 202651-200114 contacts →

Exact match

“Geoprobe® Manufactures Powerful, Compact Machines & Tooling that Provide Direct Push, Rotary, & Sonic Drilling Capabilities to the Environmental, Geotechnical, Geothermal, &…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchBhiwadi, IndiaHQ recorded Oct 24, 2026201-50093 contacts →

Exact match

“Completion Oil Tools is an eminent in Downhole Tools.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
17Exact matchEdinburgh, United KingdomHQ recorded Oct 24, 202651-20086 contacts →

Exact match

“Premier Hytemp is an approved global supplier of components for wellheads, trees and downhole tooling to the major original equipment manufacturers and leading service companies…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
18Exact matchLittle Falls, MN, United StatesHQ recorded Oct 24, 202651-20082 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 · Oct 24, 2026 · View company records in RevenueBase
19Exact matchGurgaon, IndiaHQ recorded Oct 24, 2026201-50079 contacts →

Exact match

“Botil Oil Tools India Pvt Ltd is a leading on-shore and off-shore down hole solutions company with a global foot print in over 60+ countries.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
20Exact matchEdmonton, AB, CanadaHQ recorded Oct 24, 2026201-50077 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
21Exact matchMidland, TX, United StatesHQ recorded Oct 24, 202651-20073 contacts →

Exact match

“Peak Completions is a leading oil and gas down hole technology provider that offers in-house engineering, manufacturing, and dedicated service to operators around the globe.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
22Exact matchTulsa, OK, United StatesHQ recorded Oct 24, 2026201-50070 contacts →

Exact match

“D&L Oil Tools designs, manufactures, and assembles downhole equipment for customers in both domestic and international markets.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchCalgary, AB, CanadaHQ recorded Oct 24, 202611-5050 contacts →

Exact match

“Interra Energy Services is your trusted partner in downhole tool design, manufacturing and installation.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
25Exact matchCushing, OK, United StatesHQ recorded Oct 24, 202651-20046 contacts →

Exact match

“With corporate headquarters located in Cushing, Oklahoma, Submersible Pumps Inc.”

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

Showing 25 of 659 downhole assembly machinery suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,302 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Downhole assembly machinery suppliers worldwide at a glance

As of Oct 24, 2026
27.5%Verified-email coverage
12.7Average contacts per company
11-50Median size (employees)
5.2%Largest-city concentration · Houston
Oct 24, 2026Page data refreshed

Companies by employee count

1-10
210
11-50
255
51-200
139
201-500
35
501-1,000
11
1,001-5,000
5

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for downhole assembly machinery suppliers are linked below.
What qualifies
Company records worldwide 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. 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 2,302 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.

Downhole assembly machinery suppliers by location

5 lists · largest first

Every Downhole assembly machinery 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 “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 worldwide?

RevenueBase identified 659 company matches for downhole assembly machinery suppliers worldwide 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 country has the most downhole assembly machinery suppliers?

The United States leads with 178 companies, followed by India (51) and Canada (48). Every downhole assembly machinery suppliers list by country and city is linked on this page.

Which city has the most downhole assembly machinery suppliers?

Houston leads with 34 company records, followed by Calgary (17) and Conroe (10).

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 2,302 professional contacts with verified work emails tracked across these 659 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.