Company lists · Data refreshed October 2026

Top 14 Geothermal drilling rig manufacturers based in Houston, United States

RevenueBase identified 34 company matches for geothermal drilling rig manufacturers associated with Houston, United States as of October 2026 and tracks 2,999 professional contacts across them, including 480 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for geothermal drilling rig manufacturers 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 13, 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 13, 2026 How this list was built
34Companies
2,999Contacts tracked
480Verified emails
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The 14 largest geothermal drilling rig manufacturers based in Houston, United States

Ranked by team size
Top 14 of 34 company matches for geothermal drilling rig manufacturers based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 13, 20261,001-5,0001,145 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 · Oct 13, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 13, 2026201-500345 contacts →

Exact match

“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 13, 2026201-500294 contacts →

Exact match

“Corporate Overview Independence Contract Drilling was formed in 2011 as a vertically integrated premium land drilling services provider.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202651-20085 contacts →

Exact match

“Drillmec is an international leader in design, manufacturing, and distribution of drilling and workover rigs for onshore and offshore applications, as well as a wide range of…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202651-20044 contacts →

Exact match

“INROCK® is the HDD industry-recognized global leader in performance drilling tools, equipment and services with Sales and Operations facilities in the USA, UK, Canada and Latin…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202611-5022 contacts →

Exact match

“Frontier is an engineering-based, manufacturing team of industry veterans specializing in drilling, completion, and production technologies.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202611-5010 contacts →

Exact match

“SHEAR BITS is an independent, privately owned company focused on applying and adapting new technologies through collaboration to deliver value to drill bit companies and service…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 13, 20261-104 contacts →

Exact match

“Based out of Houston, Texas, Veristic provides design and fabrication of oil and gas drilling rig equipment and structures.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202611-504 contacts →

Exact match

“Viper Energy Technology was forged from the collective expertise and groundbreaking innovations of industry trailblazers in design and engineering.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 14 of 34 geothermal drilling rig manufacturers based in Houston, United States

See the full list, filter by size, metro and specialty, and access 480 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal drilling rig manufacturers based in Houston, United States at a glance

As of Oct 13, 2026
16.0%Verified-email coverage
88.2Average contacts per company
11-50Median size (employees)
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
15
51-200
4
201-500
3
501-1,000
1
1,001-5,000
2

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 “geothermal drilling rig manufacturers” 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 480 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 13, 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 “geothermal drilling rig manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal drilling rig manufacturers are there based in Houston, United States?

RevenueBase identified 34 company matches for geothermal drilling rig manufacturers 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?

Stewart & Stevenson 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 geothermal drilling rig manufacturers?

Houston leads the United States with 34 company records, followed by Oklahoma City (8) 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 480 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 13, 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.