Company lists · Data refreshed October 2026
Top 25 Downhole drilling test equipment suppliers based in the United States
RevenueBase identified 204 company matches for downhole drilling test equipment suppliers associated with the United States as of October 2026 and tracks 5,013 professional contacts across them, including 1,491 with verified work emails. Houston is the largest hub.
This list covers company matches for downhole drilling 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 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.
The 25 largest downhole drilling test equipment suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 445 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 | |||||
| 2 | 288 contacts → | ||||
Exact match “Strength.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 285 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 | |||||
| 4 | 283 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 · Oct 24, 2026 · View company records in RevenueBase | |||||
| 5 | 255 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 | |||||
| 6 | 188 contacts → | ||||
Exact match “GEODynamics creates and delivers downhole solutions that enable unsurpassed oil and gas well economics, performance, and lifespan.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 7 | 155 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 | |||||
| 8 | 145 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 | |||||
| 9 | 137 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 | |||||
| 10 | 103 contacts → | ||||
Exact match “DHI Services provides the following well site services: Surface Data Logging, Drilling Instrumentation, Real-Time Data Delivery via the Internet, Mud Gas and Ambient Gas…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 11 | 99 contacts → | ||||
Exact match “Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 12 | 88 contacts → | ||||
Exact match “Reliable.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 82 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 | |||||
| 14 | 78 contacts → | ||||
Exact match “Ryan Directional Services, a Nabors company, is a leading provider of Directional Drilling and Measurement While Drilling services.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 73 contacts → | ||||
Exact match “Oilfield Instrumentation is a best-in-class provider of real time drilling instrumentation and certified offshore and land buildings for the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 73 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 | |||||
| 17 | 70 contacts → | ||||
Exact match “Quantum designs and deploys its own complete line of downhole technology headlined by our MWD systems: EM MWD, Pulse MWD, and our flagship Mesh MWD.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 70 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 | |||||
| 19 | 51 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 | |||||
| 20 | 45 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 24, 2026 · View company records in RevenueBase | |||||
| 21 | 44 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 24, 2026 · View company records in RevenueBase | |||||
| 22 | 43 contacts → | ||||
Exact match “Scout Downhole was founded in 2009 and provides innovative downhole drilling technologies, high-quality manufacturing, and unparalleled customer service.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 37 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 24, 2026 · View company records in RevenueBase | |||||
| 24 | 37 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 25 | 36 contacts → | ||||
Exact match “Allamon Tool Company provides innovative downhole tools and services for your completion and wellbore needs.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “downhole drilling test equipment suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 204 downhole drilling test equipment suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 1,491 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Downhole drilling test equipment suppliers based in the United States at a glance
As of Oct 24, 2026Companies by employee count
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 204 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 “downhole drilling 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 1,491 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 drilling test equipment suppliers by metro
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 drilling test equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many downhole drilling test equipment suppliers are there based in the United States?
RevenueBase identified 204 company matches for downhole drilling test equipment suppliers 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?
Thru Tubing Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most downhole drilling test equipment suppliers?
Houston leads with 42 company records, followed by Midland (13) and Conroe (8).
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 1,491 professional contacts with verified work emails tracked across these 204 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.
Ready to reach these companies? Verified emails and direct dials for all 204 downhole drilling test equipment suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Downhole drilling test equipment suppliers by geography
- Downhole drilling test equipment suppliers based in Calgary, Canada
- Downhole drilling test equipment suppliers based in Houston, United States
- Downhole drilling test equipment suppliers based in Canada
- Downhole drilling test equipment suppliers based in India
- Downhole drilling test equipment suppliers based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Downhole drilling test equipment suppliers based in Calgary, Canada
- Downhole drilling test equipment suppliers based in Houston, United States
- Downhole drilling test equipment suppliers based in Canada
- Downhole drilling test equipment suppliers based in India
- Downhole drilling test equipment suppliers based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 downhole drilling test equipment suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 204 matching company records for downhole drilling test equipment suppliers based in the United States, with 5,013 tracked contacts and 1,491 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downhole drilling test equipment suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Thru Tubing Solutionsthrutubing.comHQ: Newcastle, OK, United StatesReported employees: 501-1,000 | Newcastle, OK, United States | 501-1,000 | Exact match | 445 contacts → |
“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Drilling Tools International, INCdrillingtools.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 288 contacts → |
“Strength.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Premium Oilfield Technologiespremiumoilfield.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 285 contacts → |
“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Intelliservnov.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 283 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 255 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geodynamics, INCperf.com HQ: Millsap, TX, United StatesReported employees: 201-500 | Millsap, TX, United States | 201-500 | Exact match | 188 contacts → |
“GEODynamics creates and delivers downhole solutions that enable unsurpassed oil and gas well economics, performance, and lifespan.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Windlass Engineers & Serviceswindlassengineers.com HQ: Tomball, TX, United StatesReported employees: 201-500 | Tomball, TX, United States | 201-500 | Exact match | 155 contacts → |
“Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Stabil Drillstabildrill.comHQ: Lafayette, LA, United StatesReported employees: 201-500 | Lafayette, LA, United States | 201-500 | Exact match | 145 contacts → |
“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  WWT Internationalwwtco.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 137 contacts → |
“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  DHI Services INCdhiservices.comHQ: Pinehurst, TX, United StatesReported employees: Not recorded | Pinehurst, TX, United States | Not recorded | Exact match | 103 contacts → |
“DHI Services provides the following well site services: Surface Data Logging, Drilling Instrumentation, Real-Time Data Delivery via the Internet, Mud Gas and Ambient Gas…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Black Diamond Oilfield Servicesbdoilfield.comHQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 99 contacts → |
“Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Legacy Directional Drilling, LLClegacydirectional.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 88 contacts → |
“Reliable.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hole Productsholeproducts.com HQ: Little Falls, MN, United StatesReported employees: 51-200 | Little Falls, MN, United States | 51-200 | Exact match | 82 contacts → |
“Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ryan Directional Servicesryandirectional.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 78 contacts → |
“Ryan Directional Services, a Nabors company, is a leading provider of Directional Drilling and Measurement While Drilling services.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Oilfield Instrumentationoiusa.comHQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 73 contacts → |
“Oilfield Instrumentation is a best-in-class provider of real time drilling instrumentation and certified offshore and land buildings for the oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Peak Completionspeakcompletions.comHQ: Midland, TX, United StatesReported employees: 51-200 | Midland, TX, United States | 51-200 | Exact match | 73 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Quantum Energy Technologiesquantumofs.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Quantum designs and deploys its own complete line of downhole technology headlined by our MWD systems: EM MWD, Pulse MWD, and our flagship Mesh MWD.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | D&l OIL Toolsdloiltools.com HQ: Tulsa, OK, United StatesReported employees: 201-500 | Tulsa, OK, United States | 201-500 | Exact match | 70 contacts → |
“D&L Oil Tools designs, manufactures, and assembles downhole equipment for customers in both domestic and international markets.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Sharewell HDDsharewellhdd.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 51 contacts → |
“HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mobile Drill Intlmobiledrill.net HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 45 contacts → |
“Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Inrockinrock.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 44 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Scout Downholescoutdownhole.com HQ: Conroe, TX, United StatesReported employees: 201-500 | Conroe, TX, United States | 201-500 | Exact match | 43 contacts → |
“Scout Downhole was founded in 2009 and provides innovative downhole drilling technologies, high-quality manufacturing, and unparalleled customer service.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Melfred Borzall, INCmelfredborzall.com HQ: Santa Maria, CA, United StatesReported employees: 51-200 | Santa Maria, CA, United States | 51-200 | Exact match | 37 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CP Energy Services, INCcp.energyHQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 37 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Allamon Tool Companyallamontool.comHQ: Montgomery, TX, United StatesReported employees: 51-200 | Montgomery, TX, United States | 51-200 | Exact match | 36 contacts → |
“Allamon Tool Company provides innovative downhole tools and services for your completion and wellbore needs.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 204 company matches
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Downhole drilling test equipment suppliers: dataset insights
October 24, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
204 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 204 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Downhole drilling test equipment suppliers by metro
Questions about this company list
What does Exact match mean for downhole drilling test equipment suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downhole drilling test equipment suppliers did RevenueBase find based in the United States?
The saved snapshot records 204 matching company records, 5,013 tracked contacts and 1,491 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Downhole drilling test equipment suppliers by geography
- Downhole drilling test equipment suppliers based in Calgary, Canada
- Downhole drilling test equipment suppliers based in Houston, United States
- Downhole drilling test equipment suppliers based in Canada
- Downhole drilling test equipment suppliers based in India
- Downhole drilling test equipment suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 downhole drilling test equipment suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/downhole-drilling-test-equipment-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- New lists
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Company intelligence · public preview
Top 25 downhole drilling test equipment suppliers based in the United States
RevenueBase records 204 matching company records for downhole drilling test equipment suppliers based in the United States, with 5,013 tracked contacts and 1,491 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downhole drilling test equipment suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Thru Tubing Solutionsthrutubing.com HQ: Newcastle, OK, United StatesReported employees: 501-1,000 | Newcastle, OK, United States | 501-1,000 | Exact match | 445 contacts → |
“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Drilling Tools International, INCdrillingtools.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 288 contacts → |
“Strength.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Premium Oilfield Technologiespremiumoilfield.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 285 contacts → |
“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Intelliservnov.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 283 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 255 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geodynamics, INCperf.com HQ: Millsap, TX, United StatesReported employees: 201-500 | Millsap, TX, United States | 201-500 | Exact match | 188 contacts → |
“GEODynamics creates and delivers downhole solutions that enable unsurpassed oil and gas well economics, performance, and lifespan.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Windlass Engineers & Serviceswindlassengineers.com HQ: Tomball, TX, United StatesReported employees: 201-500 | Tomball, TX, United States | 201-500 | Exact match | 155 contacts → |
“Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Stabil Drillstabildrill.com HQ: Lafayette, LA, United StatesReported employees: 201-500 | Lafayette, LA, United States | 201-500 | Exact match | 145 contacts → |
“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | WWT Internationalwwtco.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 137 contacts → |
“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | DHI Services INCdhiservices.com HQ: Pinehurst, TX, United StatesReported employees: Not recorded | Pinehurst, TX, United States | Not recorded | Exact match | 103 contacts → |
“DHI Services provides the following well site services: Surface Data Logging, Drilling Instrumentation, Real-Time Data Delivery via the Internet, Mud Gas and Ambient Gas…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Black Diamond Oilfield Servicesbdoilfield.com HQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 99 contacts → |
“Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Legacy Directional Drilling, LLClegacydirectional.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 88 contacts → |
“Reliable.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hole Productsholeproducts.com HQ: Little Falls, MN, United StatesReported employees: 51-200 | Little Falls, MN, United States | 51-200 | Exact match | 82 contacts → |
“Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ryan Directional Servicesryandirectional.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 78 contacts → |
“Ryan Directional Services, a Nabors company, is a leading provider of Directional Drilling and Measurement While Drilling services.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Oilfield Instrumentationoiusa.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 73 contacts → |
“Oilfield Instrumentation is a best-in-class provider of real time drilling instrumentation and certified offshore and land buildings for the oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Peak Completionspeakcompletions.com HQ: Midland, TX, United StatesReported employees: 51-200 | Midland, TX, United States | 51-200 | Exact match | 73 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Quantum Energy Technologiesquantumofs.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Quantum designs and deploys its own complete line of downhole technology headlined by our MWD systems: EM MWD, Pulse MWD, and our flagship Mesh MWD.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | D&l OIL Toolsdloiltools.com HQ: Tulsa, OK, United StatesReported employees: 201-500 | Tulsa, OK, United States | 201-500 | Exact match | 70 contacts → |
“D&L Oil Tools designs, manufactures, and assembles downhole equipment for customers in both domestic and international markets.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sharewell HDDsharewellhdd.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 51 contacts → |
“HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mobile Drill Intlmobiledrill.net HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 45 contacts → |
“Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Inrockinrock.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 44 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Scout Downholescoutdownhole.com HQ: Conroe, TX, United StatesReported employees: 201-500 | Conroe, TX, United States | 201-500 | Exact match | 43 contacts → |
“Scout Downhole was founded in 2009 and provides innovative downhole drilling technologies, high-quality manufacturing, and unparalleled customer service.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Melfred Borzall, INCmelfredborzall.com HQ: Santa Maria, CA, United StatesReported employees: 51-200 | Santa Maria, CA, United States | 51-200 | Exact match | 37 contacts → |
“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 description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CP Energy Services, INCcp.energy HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 37 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Allamon Tool Companyallamontool.com HQ: Montgomery, TX, United StatesReported employees: 51-200 | Montgomery, TX, United States | 51-200 | Exact match | 36 contacts → |
“Allamon Tool Company provides innovative downhole tools and services for your completion and wellbore needs.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 204 company matches
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Downhole drilling test equipment suppliers: dataset insights
October 24, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
204 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 204 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Downhole drilling test equipment suppliers by metro
Questions about this company list
What does Exact match mean for downhole drilling test equipment suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downhole drilling test equipment suppliers did RevenueBase find based in the United States?
The saved snapshot records 204 matching company records, 5,013 tracked contacts and 1,491 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 downhole drilling test equipment suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/downhole-drilling-test-equipment-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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