Company lists · Data refreshed November 2026
Top 25 Well drilling and testing services worldwide
RevenueBase identified 3,356 company matches for well drilling and testing services worldwide as of November 2026 and tracks 72,620 professional contacts across them, including 12,585 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for well drilling and testing services 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 November 6, 2026. Country and city lists for well drilling and testing services 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.
The 25 largest well drilling and testing services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,644 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,552 contacts → | ||||
Exact match “Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,455 contacts → | ||||
Exact match “Archer is a company providing drilling and well services to the global energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,324 contacts → | ||||
Exact match “Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,792 contacts → | ||||
Exact match “Every year, drilling teams make decisions worth millions of dollars on incomplete information.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,607 contacts → | ||||
Exact match “Major Drilling Group International Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,344 contacts → | ||||
Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,315 contacts → | ||||
Exact match “Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,303 contacts → | ||||
Exact match “Newpark Fluids Systems is the world’s leading pure-play oil & gas and geothermal fluid solutions provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,245 contacts → | ||||
Exact match “THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,185 contacts → | ||||
Exact match “HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 759 contacts → | ||||
Exact match “KUWAIT DRILLING CO.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 750 contacts → | ||||
Exact match “Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 690 contacts → | ||||
Exact match “Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 588 contacts → | ||||
Exact match “INDEPENDENCE S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 498 contacts → | ||||
Exact match “As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 491 contacts → | ||||
Exact match “Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 457 contacts → | ||||
Exact match “OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 384 contacts → | ||||
Exact match “Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 375 contacts → | ||||
Exact match “ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 364 contacts → | ||||
Exact match “Welcome to Lucas!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 354 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 336 contacts → | ||||
Exact match “Más de 25 años de experiencia, en Rock Drill brindamos seguridad e innovación en nuestros servicios de perforación de exploración diamantina, geotécnica, producción y servicios…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 326 contacts → | ||||
Exact match “FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 304 contacts → | ||||
Exact match “LEAM Drilling Systems, Inc.” Recorded in the RevenueBase company graph · Nov 6, 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 “well drilling and testing services”. 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 3,356 well drilling and testing services worldwide
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Well drilling and testing services worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 well drilling and testing services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “well drilling and testing services” 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 12,585 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 November 6, 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.
Well drilling and testing services by location
17 lists · largest firstEvery Well drilling and testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Well drilling and testing services based in the United States1,001
- Well drilling and testing services based in Brazil198
- Well drilling and testing services based in Canada196
- Well drilling and testing services based in Australia125
- Well drilling and testing services based in the United Kingdom113
- Well drilling and testing services based in India84
- Well drilling and testing services based in Germany78
- Well drilling and testing services based in France70
- Well drilling and testing services based in Mexico55
- Well drilling and testing services based in Chile50
- Well drilling and testing services based in South Africa40
- Well drilling and testing services based in the Netherlands40
- Well drilling and testing services based in the United Arab Emirates33
- Well drilling and testing services based in Sweden28
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 “well drilling and testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many well drilling and testing services are there worldwide?
RevenueBase identified 3,356 company matches for well drilling and testing services worldwide as of November 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 country has the most well drilling and testing services?
The United States leads with 1,001 companies, followed by Brazil (198) and Canada (196). Every well drilling and testing services list by country and city is linked on this page.
Which city has the most well drilling and testing services?
Houston leads with 54 company records, followed by Midland (29) and Calgary (28).
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 12,585 professional contacts with verified work emails tracked across these 3,356 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,356 well drilling and testing services worldwide. 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.
More company lists
Company intelligence · public preview
Top 25 well drilling and testing services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,356 matching company records for well drilling and testing services worldwide, with 72,620 tracked contacts and 12,585 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: November 6, 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 well drilling and testing services worldwide
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 |  Boart Longyearboartlongyear.comHQ: West Valley City, United StatesReported employees: 5,001-10,000 | West Valley City, United States | 5,001-10,000 | Exact match | 3,644 contacts → |
“Established in 1890, Boart Longyear is the world’s leading innovative provider of drilling services, manufacturer of productivity-driven drilling equipment and performance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Patterson-Utipatenergy.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,552 contacts → |
“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Archerarcherwell.comHQ: Sandnes, NorwayReported employees: 5,001-10,000 | Sandnes, Norway | 5,001-10,000 | Exact match | 2,455 contacts → |
“Archer is a company providing drilling and well services to the global energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  SAN Antonio Internacionalsanantoniointernacional.comHQ: Comuna 1, ArgentinaReported employees: 1,001-5,000 | Comuna 1, Argentina | 1,001-5,000 | Exact match | 2,324 contacts → |
“Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Geolog Internationalgeolog.comHQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 1,792 contacts → |
“Every year, drilling teams make decisions worth millions of dollars on incomplete information.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Major Drillingmajordrilling.comHQ: Moncton, NB, CanadaReported employees: 1,001-5,000 | Moncton, NB, Canada | 1,001-5,000 | Exact match | 1,607 contacts → |
“Major Drilling Group International Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  PT Pertamina Drilling Services Indonesiapdsi.pertamina.comHQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,344 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Abraj Energy Servicesabrajenergy.comHQ: Muscat, OmanReported employees: 1,001-5,000 | Muscat, Oman | 1,001-5,000 | Exact match | 1,315 contacts → |
“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Newparknewpark.comHQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 1,303 contacts → |
“Newpark Fluids Systems is the world’s leading pure-play oil & gas and geothermal fluid solutions provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Scientific Drillingscientificdrilling.comHQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 1,245 contacts → |
“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  HMHhmhw.comHQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,185 contacts → |
“HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Kuwait Drilling Co. K.S.C.Ckdckwt.comHQ: East Ahmadi, KuwaitReported employees: 1,001-5,000 | East Ahmadi, Kuwait | 1,001-5,000 | Exact match | 759 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tucker Energy Servicestuckerenergy.comHQ: Port Of Spain, Trinidad and TobagoReported employees: 1,001-5,000 | Port Of Spain, Trinidad and Tobago | 1,001-5,000 | Exact match | 750 contacts → |
“Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Geotecgeotec.com.peHQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 690 contacts → |
“Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Independence S.Aindependence.com.coHQ: Bogotá, ColombiaReported employees: 1,001-5,000 | Bogotá, Colombia | 1,001-5,000 | Exact match | 588 contacts → |
“INDEPENDENCE S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cactus Drilling COcactusdrlg.comHQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 498 contacts → |
“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Foraco International SAforaco.comHQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 491 contacts → |
“Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  OIL Field Instrumentation India Pvt. LTDofiindia.comHQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 457 contacts → |
“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Express Energy Serviceseeslp.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Energold Drillingenergold.comHQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 375 contacts → |
“ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  LUCASlucas.com.auHQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 364 contacts → |
“Welcome to Lucas!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AIR Drilling Associatesairdrilling.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 354 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Rock Drillrockdrillgroup.comHQ: Lima, PeruReported employees: 1,001-5,000 | Lima, Peru | 1,001-5,000 | Exact match | 336 contacts → |
“Más de 25 años de experiencia, en Rock Drill brindamos seguridad e innovación en nuestros servicios de perforación de exploración diamantina, geotécnica, producción y servicios…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Forage FTE Drillingforagefte.comHQ: Sherbrooke, CanadaReported employees: 201-500 | Sherbrooke, Canada | 201-500 | Exact match | 326 contacts → |
“FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Leam Drilling Servicesleam.netHQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 304 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,356 company matches
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Well drilling and testing services: dataset insights
November 6, 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
3,295 records in the displayed employee bands.
61 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,356 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: November 6, 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 ↗
Well drilling and testing services by location
17 lists · largest firstEvery Well drilling and testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Well drilling and testing services based in the United States1,001
- Well drilling and testing services based in Brazil198
- Well drilling and testing services based in Canada196
- Well drilling and testing services based in Australia125
- Well drilling and testing services based in the United Kingdom113
- Well drilling and testing services based in India84
- Well drilling and testing services based in Germany78
- Well drilling and testing services based in France70
- Well drilling and testing services based in Mexico55
- Well drilling and testing services based in Chile50
- Well drilling and testing services based in South Africa40
- Well drilling and testing services based in the Netherlands40
- Well drilling and testing services based in the United Arab Emirates33
- Well drilling and testing services based in Sweden28
Cities
Questions about this company list
What does Exact match mean for well drilling and testing services?
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 well drilling and testing services did RevenueBase find worldwide?
The saved snapshot records 3,356 matching company records, 72,620 tracked contacts and 12,585 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: November 6, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 well drilling and testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/well-drilling-and-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 well drilling and testing services worldwide
RevenueBase records 3,356 matching company records for well drilling and testing services worldwide, with 72,620 tracked contacts and 12,585 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: November 6, 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 well drilling and testing services worldwide
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 | Boart Longyearboartlongyear.com HQ: West Valley City, United StatesReported employees: 5,001-10,000 | West Valley City, United States | 5,001-10,000 | Exact match | 3,644 contacts → |
“Established in 1890, Boart Longyear is the world’s leading innovative provider of drilling services, manufacturer of productivity-driven drilling equipment and performance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Patterson-Utipatenergy.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,552 contacts → |
“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Archerarcherwell.com HQ: Sandnes, NorwayReported employees: 5,001-10,000 | Sandnes, Norway | 5,001-10,000 | Exact match | 2,455 contacts → |
“Archer is a company providing drilling and well services to the global energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SAN Antonio Internacionalsanantoniointernacional.com HQ: Comuna 1, ArgentinaReported employees: 1,001-5,000 | Comuna 1, Argentina | 1,001-5,000 | Exact match | 2,324 contacts → |
“Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Geolog Internationalgeolog.com HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 1,792 contacts → |
“Every year, drilling teams make decisions worth millions of dollars on incomplete information.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Major Drillingmajordrilling.com HQ: Moncton, NB, CanadaReported employees: 1,001-5,000 | Moncton, NB, Canada | 1,001-5,000 | Exact match | 1,607 contacts → |
“Major Drilling Group International Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | PT Pertamina Drilling Services Indonesiapdsi.pertamina.com HQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,344 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Abraj Energy Servicesabrajenergy.com HQ: Muscat, OmanReported employees: 1,001-5,000 | Muscat, Oman | 1,001-5,000 | Exact match | 1,315 contacts → |
“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Newparknewpark.com HQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 1,303 contacts → |
“Newpark Fluids Systems is the world’s leading pure-play oil & gas and geothermal fluid solutions provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Scientific Drillingscientificdrilling.com HQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 1,245 contacts → |
“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HMHhmhw.com HQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,185 contacts → |
“HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Kuwait Drilling Co. K.S.C.Ckdckwt.com HQ: East Ahmadi, KuwaitReported employees: 1,001-5,000 | East Ahmadi, Kuwait | 1,001-5,000 | Exact match | 759 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tucker Energy Servicestuckerenergy.com HQ: Port Of Spain, Trinidad and TobagoReported employees: 1,001-5,000 | Port Of Spain, Trinidad and Tobago | 1,001-5,000 | Exact match | 750 contacts → |
“Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Geotecgeotec.com.pe HQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 690 contacts → |
“Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Independence S.Aindependence.com.co HQ: Bogotá, ColombiaReported employees: 1,001-5,000 | Bogotá, Colombia | 1,001-5,000 | Exact match | 588 contacts → |
“INDEPENDENCE S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cactus Drilling COcactusdrlg.com HQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 498 contacts → |
“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Foraco International SAforaco.com HQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 491 contacts → |
“Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | OIL Field Instrumentation India Pvt. LTDofiindia.com HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 457 contacts → |
“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Express Energy Serviceseeslp.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Energold Drillingenergold.com HQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 375 contacts → |
“ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | LUCASlucas.com.au HQ: Brisbane, AustraliaReported employees: 201-500 | Brisbane, Australia | 201-500 | Exact match | 364 contacts → |
“Welcome to Lucas!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AIR Drilling Associatesairdrilling.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 354 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Rock Drillrockdrillgroup.com HQ: Lima, PeruReported employees: 1,001-5,000 | Lima, Peru | 1,001-5,000 | Exact match | 336 contacts → |
“Más de 25 años de experiencia, en Rock Drill brindamos seguridad e innovación en nuestros servicios de perforación de exploración diamantina, geotécnica, producción y servicios…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Forage FTE Drillingforagefte.com HQ: Sherbrooke, CanadaReported employees: 201-500 | Sherbrooke, Canada | 201-500 | Exact match | 326 contacts → |
“FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Leam Drilling Servicesleam.net HQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 304 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,356 company matches
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Well drilling and testing services: dataset insights
November 6, 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
3,295 records in the displayed employee bands.
61 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,356 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: November 6, 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 ↗
Well drilling and testing services by location
17 lists · largest firstEvery Well drilling and testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Well drilling and testing services based in the United States1,001
- Well drilling and testing services based in Brazil198
- Well drilling and testing services based in Canada196
- Well drilling and testing services based in Australia125
- Well drilling and testing services based in the United Kingdom113
- Well drilling and testing services based in India84
- Well drilling and testing services based in Germany78
- Well drilling and testing services based in France70
- Well drilling and testing services based in Mexico55
- Well drilling and testing services based in Chile50
- Well drilling and testing services based in South Africa40
- Well drilling and testing services based in the Netherlands40
- Well drilling and testing services based in the United Arab Emirates33
- Well drilling and testing services based in Sweden28
Cities
Questions about this company list
What does Exact match mean for well drilling and testing services?
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 well drilling and testing services did RevenueBase find worldwide?
The saved snapshot records 3,356 matching company records, 72,620 tracked contacts and 12,585 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: November 6, 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 well drilling and testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/well-drilling-and-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗