Company lists · Data refreshed October 2026
Top 25 Geological drilling contractors worldwide
RevenueBase identified 5,891 company matches for geological drilling contractors worldwide as of October 2026 and tracks 103,896 professional contacts across them, including 17,843 with verified work emails. The United States is the largest market and Belo Horizonte the largest hub.
This list covers company matches for geological drilling contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026. Country and city lists for geological drilling contractors 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 geological drilling contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,518 contacts → | ||||
Exact match “Established in 1890, Boart Longyear is the world’s leading innovative provider of drilling services, manufacturer of productivity-driven drilling equipment and performance…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 2,360 contacts → | ||||
Exact match “SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 2,277 contacts → | ||||
Exact match “Ensign Energy Services Inc.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 1,518 contacts → | ||||
Exact match “Major Drilling Group International Inc.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 1,332 contacts → | ||||
Exact match “One of the leading geology companies in the world, GEOSOL excels in the undertaking of geological drilling and mineral engineering programs.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 1,300 contacts → | ||||
Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 1,213 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 1,165 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 1,020 contacts → | ||||
Exact match “Capital Limited is a leading service provider for the exploration and mining industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 1,017 contacts → | ||||
Exact match “Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 1,013 contacts → | ||||
Exact match “Master Drilling, established in 1986, is a global technology solutions driven company; focused on delivering a fully mechanised range of services to the mining sector.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 732 contacts → | ||||
Exact match “KUWAIT DRILLING CO.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 704 contacts → | ||||
Exact match “Explomin del Perú S.A.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 653 contacts → | ||||
Exact match “SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 548 contacts → | ||||
Exact match “ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 545 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 517 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 502 contacts → | ||||
Exact match “Viking Services is a fully integrated service company that provides services to the oil and gas and geothermal industries with the goal of becoming the most trusted and reliable…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 499 contacts → | ||||
Exact match “AKD® International es el Aliado Estratégico de toda Empresa de Minería, Energía y/o Petróleo en Latinoamérica que busca un Experto en Perforación con Gran Amor por lo que hace y…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 492 contacts → | ||||
Exact match “Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 483 contacts → | ||||
Exact match “Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 481 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 464 contacts → | ||||
Exact match “PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 458 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 453 contacts → | ||||
Exact match “Fondé en 1993 et établi dans onze régions du Québec et en Ontario.” Recorded in the RevenueBase company graph · Oct 13, 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 “geological drilling contractors”. 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 5,891 geological drilling contractors worldwide
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Geological drilling contractors worldwide at a glance
As of Oct 13, 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 geological drilling contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “geological drilling contractors” 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 17,843 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 13, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Geological drilling contractors by location
32 lists · largest firstEvery Geological drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geological drilling contractors based in the United States830
- Geological drilling contractors based in Australia390
- Geological drilling contractors based in Canada387
- Geological drilling contractors based in Brazil356
- Geological drilling contractors based in the United Kingdom282
- Geological drilling contractors based in Italy195
- Geological drilling contractors based in Türkiye173
- Geological drilling contractors based in India172
- Geological drilling contractors based in Germany159
- Geological drilling contractors based in Indonesia135
- Geological drilling contractors based in Chile133
- Geological drilling contractors based in Peru127
- Geological drilling contractors based in France124
- Geological drilling contractors based in South Africa122
- Geological drilling contractors based in Spain95
- Geological drilling contractors based in Mexico83
- Geological drilling contractors based in Poland81
- Geological drilling contractors based in the Netherlands65
- Geological drilling contractors based in Argentina64
- Geological drilling contractors based in Sweden54
- Geological drilling contractors based in Saudi Arabia47
- Geological drilling contractors based in Belgium36
- Geological drilling contractors based in the United Arab Emirates36
- Geological drilling contractors based in Switzerland31
- Geological drilling contractors based in Finland28
- Geological drilling contractors based in New Zealand28
- Geological drilling contractors based in Norway28
Cities
- Geological drilling contractors based in Belo Horizonte, Brazil56
- Geological drilling contractors based in Calgary, Canada56
- Geological drilling contractors based in Ankara, Türkiye49
- Geological drilling contractors based in Houston, United States47
- Geological drilling contractors based in Perth, Australia47
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 “geological drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geological drilling contractors are there worldwide?
RevenueBase identified 5,891 company matches for geological drilling contractors worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Boart Longyear tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most geological drilling contractors?
The United States leads with 830 companies, followed by Australia (390) and Canada (387). Every geological drilling contractors list by country and city is linked on this page.
Which city has the most geological drilling contractors?
Belo Horizonte leads with 56 company records, followed by Calgary (56) and Ankara (49).
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 17,843 professional contacts with verified work emails tracked across these 5,891 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 geological drilling contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,891 matching company records for geological drilling contractors worldwide, with 103,896 tracked contacts and 17,843 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 13, 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 geological drilling contractors 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, UT, United StatesReported employees: 5,001-10,000 | West Valley City, UT, United States | 5,001-10,000 | Exact match | 3,518 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SRK Consultingsrk.comHQ: Vancouver, CanadaReported employees: 1,001-5,000 | Vancouver, Canada | 1,001-5,000 | Exact match | 2,360 contacts → |
“SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ensign Energy Servicesensignenergy.comHQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 2,277 contacts → |
“Ensign Energy Services Inc.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Major Drillingmajordrilling.comHQ: Moncton, NB, CanadaReported employees: 1,001-5,000 | Moncton, NB, Canada | 1,001-5,000 | Exact match | 1,518 contacts → |
“Major Drilling Group International Inc.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Geosol Geologia E Sondagens S.Ageosol.com.br HQ: Belo Horizonte, BrazilReported employees: 1,001-5,000 | Belo Horizonte, Brazil | 1,001-5,000 | Exact match | 1,332 contacts → |
“One of the leading geology companies in the world, GEOSOL excels in the undertaking of geological drilling and mineral engineering programs.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  PT Pertamina Drilling Services Indonesiapdsi.pertamina.comHQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,300 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Scientific Drillingscientificdrilling.comHQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 1,213 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  HMHhmhw.comHQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,165 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Capital Limitedcapdrill.com HQ: Mauritius, AustriaReported employees: 1,001-5,000 | Mauritius, Austria | 1,001-5,000 | Exact match | 1,020 contacts → |
“Capital Limited is a leading service provider for the exploration and mining industry.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Carso Perforacióncarso.com.mx HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,017 contacts → |
“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Master Drilling Group LTDmasterdrilling.comHQ: Fochville, South AfricaReported employees: 1,001-5,000 | Fochville, South Africa | 1,001-5,000 | Exact match | 1,013 contacts → |
“Master Drilling, established in 1986, is a global technology solutions driven company; focused on delivering a fully mechanised range of services to the mining sector.” Recorded description excerpt · October 13, 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 | 732 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Explomin Perforacionesexplomin.comHQ: Villa El Salvador, PeruReported employees: 1,001-5,000 | Villa El Salvador, Peru | 1,001-5,000 | Exact match | 704 contacts → |
“Explomin del Perú S.A.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Saexplorationsaexploration.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 653 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ARGASargas.comHQ: 4204 King Fahd Road, Saudi ArabiaReported employees: 1,001-5,000 | 4204 King Fahd Road, Saudi Arabia | 1,001-5,000 | Exact match | 548 contacts → |
“ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Geotecgeotec.com.peHQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 545 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | OIL And GAS Exploration Company Krakow LTDogec.krakow.pl HQ: Krakow, PolandReported employees: 1,001-5,000 | Krakow, Poland | 1,001-5,000 | Exact match | 517 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Viking Servicesvikingservices.comHQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 502 contacts → |
“Viking Services is a fully integrated service company that provides services to the oil and gas and geothermal industries with the goal of becoming the most trusted and reliable…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AKD Internationalakdint.com HQ: PanamaReported employees: 201-500 | Panama | 201-500 | Exact match | 499 contacts → |
“AKD® International es el Aliado Estratégico de toda Empresa de Minería, Energía y/o Petróleo en Latinoamérica que busca un Experto en Perforación con Gran Amor por lo que hace y…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Geo-Technology Associates, Inc. GTAgtaeng.comHQ: Abingdon, MD, United KingdomReported employees: 501-1,000 | Abingdon, MD, United Kingdom | 501-1,000 | Exact match | 492 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  GEOgeo.dkHQ: Kgs. Lyngby (copenhagen), DenmarkReported employees: 201-500 | Kgs. Lyngby (copenhagen), Denmark | 201-500 | Exact match | 483 contacts → |
“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Foraco International SAforaco.comHQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 481 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Petrevenpetreven.comHQ: Podenzano, ItalyReported employees: 501-1,000 | Podenzano, Italy | 501-1,000 | Exact match | 464 contacts → |
“PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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 | 458 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Groupe ABSgroupeabs.comHQ: Montréal, QC, CanadaReported employees: 501-1,000 | Montréal, QC, Canada | 501-1,000 | Exact match | 453 contacts → |
“Fondé en 1993 et établi dans onze régions du Québec et en Ontario.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,891 company matches
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Geological drilling contractors: dataset insights
October 13, 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
5,851 records in the displayed employee bands.
40 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 5,891 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 13, 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 ↗
Geological drilling contractors by location
32 lists · largest firstEvery Geological drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geological drilling contractors based in the United States830
- Geological drilling contractors based in Australia390
- Geological drilling contractors based in Canada387
- Geological drilling contractors based in Brazil356
- Geological drilling contractors based in the United Kingdom282
- Geological drilling contractors based in Italy195
- Geological drilling contractors based in Türkiye173
- Geological drilling contractors based in India172
- Geological drilling contractors based in Germany159
- Geological drilling contractors based in Indonesia135
- Geological drilling contractors based in Chile133
- Geological drilling contractors based in Peru127
- Geological drilling contractors based in France124
- Geological drilling contractors based in South Africa122
- Geological drilling contractors based in Spain95
- Geological drilling contractors based in Mexico83
- Geological drilling contractors based in Poland81
- Geological drilling contractors based in the Netherlands65
- Geological drilling contractors based in Argentina64
- Geological drilling contractors based in Sweden54
- Geological drilling contractors based in Saudi Arabia47
- Geological drilling contractors based in Belgium36
- Geological drilling contractors based in the United Arab Emirates36
- Geological drilling contractors based in Switzerland31
- Geological drilling contractors based in Finland28
- Geological drilling contractors based in New Zealand28
- Geological drilling contractors based in Norway28
Cities
- Geological drilling contractors based in Belo Horizonte, Brazil56
- Geological drilling contractors based in Calgary, Canada56
- Geological drilling contractors based in Ankara, Türkiye49
- Geological drilling contractors based in Houston, United States47
- Geological drilling contractors based in Perth, Australia47
Questions about this company list
What does Exact match mean for geological drilling contractors?
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 geological drilling contractors did RevenueBase find worldwide?
The saved snapshot records 5,891 matching company records, 103,896 tracked contacts and 17,843 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 13, 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 geological drilling contractors worldwide. Snapshot: October 13, 2026. https://revenuebase.ai/companies/browse/geological-drilling-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 geological drilling contractors worldwide
RevenueBase records 5,891 matching company records for geological drilling contractors worldwide, with 103,896 tracked contacts and 17,843 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 13, 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 geological drilling contractors 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, UT, United StatesReported employees: 5,001-10,000 | West Valley City, UT, United States | 5,001-10,000 | Exact match | 3,518 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SRK Consultingsrk.com HQ: Vancouver, CanadaReported employees: 1,001-5,000 | Vancouver, Canada | 1,001-5,000 | Exact match | 2,360 contacts → |
“SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ensign Energy Servicesensignenergy.com HQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 2,277 contacts → |
“Ensign Energy Services Inc.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Major Drillingmajordrilling.com HQ: Moncton, NB, CanadaReported employees: 1,001-5,000 | Moncton, NB, Canada | 1,001-5,000 | Exact match | 1,518 contacts → |
“Major Drilling Group International Inc.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Geosol Geologia E Sondagens S.Ageosol.com.br HQ: Belo Horizonte, BrazilReported employees: 1,001-5,000 | Belo Horizonte, Brazil | 1,001-5,000 | Exact match | 1,332 contacts → |
“One of the leading geology companies in the world, GEOSOL excels in the undertaking of geological drilling and mineral engineering programs.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 | 1,300 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 | 1,213 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HMHhmhw.com HQ: Amsterdam, NetherlandsReported employees: 1,001-5,000 | Amsterdam, Netherlands | 1,001-5,000 | Exact match | 1,165 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Capital Limitedcapdrill.com HQ: Mauritius, AustriaReported employees: 1,001-5,000 | Mauritius, Austria | 1,001-5,000 | Exact match | 1,020 contacts → |
“Capital Limited is a leading service provider for the exploration and mining industry.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Carso Perforacióncarso.com.mx HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,017 contacts → |
“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Master Drilling Group LTDmasterdrilling.com HQ: Fochville, South AfricaReported employees: 1,001-5,000 | Fochville, South Africa | 1,001-5,000 | Exact match | 1,013 contacts → |
“Master Drilling, established in 1986, is a global technology solutions driven company; focused on delivering a fully mechanised range of services to the mining sector.” Recorded description excerpt · October 13, 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 | 732 contacts → |
“KUWAIT DRILLING CO.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Explomin Perforacionesexplomin.com HQ: Villa El Salvador, PeruReported employees: 1,001-5,000 | Villa El Salvador, Peru | 1,001-5,000 | Exact match | 704 contacts → |
“Explomin del Perú S.A.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Saexplorationsaexploration.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 653 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ARGASargas.com HQ: 4204 King Fahd Road, Saudi ArabiaReported employees: 1,001-5,000 | 4204 King Fahd Road, Saudi Arabia | 1,001-5,000 | Exact match | 548 contacts → |
“ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Geotecgeotec.com.pe HQ: Ate, BelgiumReported employees: 1,001-5,000 | Ate, Belgium | 1,001-5,000 | Exact match | 545 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | OIL And GAS Exploration Company Krakow LTDogec.krakow.pl HQ: Krakow, PolandReported employees: 1,001-5,000 | Krakow, Poland | 1,001-5,000 | Exact match | 517 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Viking Servicesvikingservices.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 502 contacts → |
“Viking Services is a fully integrated service company that provides services to the oil and gas and geothermal industries with the goal of becoming the most trusted and reliable…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AKD Internationalakdint.com HQ: PanamaReported employees: 201-500 | Panama | 201-500 | Exact match | 499 contacts → |
“AKD® International es el Aliado Estratégico de toda Empresa de Minería, Energía y/o Petróleo en Latinoamérica que busca un Experto en Perforación con Gran Amor por lo que hace y…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Geo-Technology Associates, Inc. GTAgtaeng.com HQ: Abingdon, MD, United KingdomReported employees: 501-1,000 | Abingdon, MD, United Kingdom | 501-1,000 | Exact match | 492 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | GEOgeo.dk HQ: Kgs. Lyngby (copenhagen), DenmarkReported employees: 201-500 | Kgs. Lyngby (copenhagen), Denmark | 201-500 | Exact match | 483 contacts → |
“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Foraco International SAforaco.com HQ: Marseille, FranceReported employees: 1,001-5,000 | Marseille, France | 1,001-5,000 | Exact match | 481 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Petrevenpetreven.com HQ: Podenzano, ItalyReported employees: 501-1,000 | Podenzano, Italy | 501-1,000 | Exact match | 464 contacts → |
“PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 | 458 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Groupe ABSgroupeabs.com HQ: Montréal, QC, CanadaReported employees: 501-1,000 | Montréal, QC, Canada | 501-1,000 | Exact match | 453 contacts → |
“Fondé en 1993 et établi dans onze régions du Québec et en Ontario.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,891 company matches
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Geological drilling contractors: dataset insights
October 13, 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
5,851 records in the displayed employee bands.
40 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 5,891 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 13, 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 ↗
Geological drilling contractors by location
32 lists · largest firstEvery Geological drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geological drilling contractors based in the United States830
- Geological drilling contractors based in Australia390
- Geological drilling contractors based in Canada387
- Geological drilling contractors based in Brazil356
- Geological drilling contractors based in the United Kingdom282
- Geological drilling contractors based in Italy195
- Geological drilling contractors based in Türkiye173
- Geological drilling contractors based in India172
- Geological drilling contractors based in Germany159
- Geological drilling contractors based in Indonesia135
- Geological drilling contractors based in Chile133
- Geological drilling contractors based in Peru127
- Geological drilling contractors based in France124
- Geological drilling contractors based in South Africa122
- Geological drilling contractors based in Spain95
- Geological drilling contractors based in Mexico83
- Geological drilling contractors based in Poland81
- Geological drilling contractors based in the Netherlands65
- Geological drilling contractors based in Argentina64
- Geological drilling contractors based in Sweden54
- Geological drilling contractors based in Saudi Arabia47
- Geological drilling contractors based in Belgium36
- Geological drilling contractors based in the United Arab Emirates36
- Geological drilling contractors based in Switzerland31
- Geological drilling contractors based in Finland28
- Geological drilling contractors based in New Zealand28
- Geological drilling contractors based in Norway28
Cities
- Geological drilling contractors based in Belo Horizonte, Brazil56
- Geological drilling contractors based in Calgary, Canada56
- Geological drilling contractors based in Ankara, Türkiye49
- Geological drilling contractors based in Houston, United States47
- Geological drilling contractors based in Perth, Australia47
Questions about this company list
What does Exact match mean for geological drilling contractors?
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 geological drilling contractors did RevenueBase find worldwide?
The saved snapshot records 5,891 matching company records, 103,896 tracked contacts and 17,843 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 13, 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 geological drilling contractors worldwide. Snapshot: October 13, 2026. https://revenuebase.ai/companies/browse/geological-drilling-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗