Company lists · Data refreshed October 2026

Top 25 Geothermal drilling equipment manufacturers based in the United States

RevenueBase identified 234 company matches for geothermal drilling equipment manufacturers associated with the United States as of October 2026 and tracks 5,942 professional contacts across them, including 1,427 with verified work emails. Houston is the largest hub.

This list covers company matches for geothermal drilling equipment manufacturers 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 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
234Companies
5,942Contacts tracked
1,427Verified emails
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The 25 largest geothermal drilling equipment manufacturers based in the United States

Ranked by team size
Top 25 of 234 company matches for geothermal drilling equipment manufacturers based in the 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 matchWest Valley City, UT, United StatesHQ recorded Oct 13, 20265,001-10,0003,518 contacts →

Exact match

“Established in 1890, Boart Longyear is the world’s leading innovative provider of drilling services, manufacturer of productivity-driven drilling equipment and performance…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchSalina, KS, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
4Exact matchFort Smith, AR, United StatesHQ recorded Oct 13, 202651-20087 contacts →

Exact match

“We manufacturer, sell, and service rotating control devices.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchLittle Falls, MN, United StatesHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
6Exact matchGreenville, IL, United StatesHQ recorded Oct 13, 202651-20076 contacts →

Exact match

“Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchFort Worth, TX, United StatesHQ recorded Oct 13, 202651-20064 contacts →

Exact match

“As a long recognized leader and innovator in the Drilled Shaft Industry, Watson is uniquely qualified to design and manufacture drill rigs for drilled shaft (bored pile)…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchNew Brighton, MN, United StatesHQ recorded Oct 13, 202611-5052 contacts →

Exact match

“Darcy Solutions is on a mission to put Geothermal Everywhere.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchLaurel, MD, United StatesHQ recorded Oct 13, 202651-20052 contacts →

Exact match

“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchIndianapolis, IN, United StatesHQ recorded Oct 13, 202611-5045 contacts →

Exact match

“Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchSanta Maria, CA, United StatesHQ recorded Oct 13, 202651-20037 contacts →

Exact match

“For nearly 80 years, we’ve been at the forefront of HDD tooling innovation-designing and building the drill bits, reamers, housings, and pullers that keep underground utility…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchMansfield, TX, United StatesHQ recorded Oct 13, 202651-20035 contacts →

Exact match

“Drill King International is a leading United States manufacturer of Air Hammers, DTH Hammer Bits & Hole openers, RC bits, Casing Crowns & Casing Shoes and other drilling…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchDyersville, IA, United StatesHQ recorded Oct 13, 2026201-50034 contacts →

Exact match

“Digga is a world leader in earthmoving and drilling drive technology.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchPalo Alto, CA, United StatesHQ recorded Oct 13, 202611-5033 contacts →

Exact match

“XGS Energy is a geothermal energy company founded and headquartered in Palo Alto, CA.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchEast Canton, OH, United StatesHQ recorded Oct 13, 202651-20031 contacts →

Exact match

“At Barbco, we push the underground construction industry forward.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchSomerset, PA, United StatesHQ recorded Oct 13, 202611-5030 contacts →

Exact match

“Keystone Drill Services pairs over a century of drilling experience with a diverse supplier network to resolve drill-related issues with unprecedented efficiency.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchLa Porte, IN, United StatesHQ recorded Oct 13, 202611-5028 contacts →

Exact match

“Diedrich Drill is a full service manufacturer of top quality drilling equipment for the geotechnical, environmental, geothermal, and groundwater industries.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchMcdonough, GA, United StatesHQ recorded Oct 13, 202651-20027 contacts →

Exact match

“Founded in 1957, Simmons manufactures high quality water well accessories in McDonough, GA.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Oct 13, 202611-5027 contacts →

Exact match

“Our mission is to transform the heating & cooling of buildings, using geothermal energy to radically reduce costs for people and the environment.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchElon, NC, United StatesHQ recorded Oct 13, 202611-5026 contacts →

Exact match

“WORD Rock Drills manufactures and supplies rock drilling attachments for excavators, skid steers, and stand-alone drilling equipment globally.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchJessup, PA, United StatesHQ recorded Oct 13, 202611-5026 contacts →

Exact match

“Since 1967 N&N Drilling Supply has accommodated the needs of a growing worldwide market for drilling supplies and equipment.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchOklahoma City, OK, United StatesHQ recorded Oct 13, 202611-5025 contacts →

Exact match

“About GreenFire Energy GreenFire Energy engineers next-generation geothermal systems designed for real-world operating conditions.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchReno, NV, United StatesHQ recorded Oct 13, 202611-5024 contacts →

Exact match

“Open Mountain Energy combines its geothermal and project development expertise with Kaishan Group's power plant technologies and manufacturing to form a cutting-edge industry…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchSignal Hill, CA, United StatesHQ recorded Oct 13, 202651-20023 contacts →

Exact match

“Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchMagnolia, TX, United StatesHQ recorded Oct 13, 202611-5022 contacts →

Exact match

“BVM's products are manufactured at our factory in Magnolia, Texas USA.”

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

Showing 25 of 234 geothermal drilling equipment manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,427 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal drilling equipment manufacturers based in the United States at a glance

As of Oct 13, 2026
24.0%Verified-email coverage
25.4Average contacts per company
11-50Median size (employees)
5.1%Largest-city concentration · Houston
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
109
51-200
33
201-500
4
1,001-5,000
1
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 234 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 “geothermal drilling equipment 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 1,427 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 equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal drilling equipment manufacturers are there based in the United States?

RevenueBase identified 234 company matches for geothermal drilling equipment manufacturers associated with the 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?

Boart Longyear tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most geothermal drilling equipment manufacturers?

Houston leads with 12 company records, followed by Indianapolis (5) and Bakersfield (4).

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 1,427 professional contacts with verified work emails tracked across these 234 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.

Ready to reach these companies? Verified emails and direct dials for all 234 geothermal drilling equipment manufacturers based in the United States. Start with a free account, no credit card.

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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.