Company lists · Data refreshed November 2026
Top 25 Subsurface evaluation companies worldwide
RevenueBase identified 3,244 company matches for subsurface evaluation companies worldwide as of November 2026 and tracks 117,038 professional contacts across them, including 33,454 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for subsurface evaluation companies 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 subsurface evaluation companies 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 subsurface evaluation companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 58,281 contacts → | ||||
Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 8,737 contacts → | ||||
Exact match “We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,428 contacts → | ||||
Exact match “SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 1,681 contacts → | ||||
Exact match “Capital Limited is a leading service provider for the exploration and mining industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,238 contacts → | ||||
Exact match “BGP is one of the world's leading geophysical service companies, delivering a wide range of technologies, services and equipment to the oil and gas industry worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,031 contacts → | ||||
Exact match “Viridien is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 847 contacts → | ||||
Exact match “From natural resources to earth and infrastructure monitoring, energy transition, and defense, Sercel is a pioneer in measuring and understanding Earth’s subsurface to provide…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 846 contacts → | ||||
Exact match “BGC Engineering is an international consulting firm that provides professional services in applied earth sciences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 780 contacts → | ||||
Exact match “Seequent, The Bentley Subsurface Company, helps organisations to understand the underground, giving them the confidence to make better decisions faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 780 contacts → | ||||
Exact match “With more than 600 years of collective geoscience expertise, provided by more than 40 experts, we deliver unparalleled tenure and expertise across the global mining technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 671 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 594 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 513 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 508 contacts → | ||||
Exact match “GGS provides an integrated suite of Geoscience solutions to the global oil and gas industry including high-resolution RG-3D Reservoir Grade® seismic data acquisition, Multi Client…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 422 contacts → | ||||
Exact match “Stratum Reservoir helps organizations make better decisions about their resources by transforming complex scientific data into actionable insights.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 376 contacts → | ||||
Exact match “We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 363 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 353 contacts → | ||||
Exact match “ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 347 contacts → | ||||
Exact match “ConeTec is a full-service geotechnical, geoenvironmental, and mining site investigation contractor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 347 contacts → | ||||
Exact match “We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 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 | |||||
| 23 | 328 contacts → | ||||
Exact match “Somos a BVP Geotecnia e Hidrotecnia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 286 contacts → | ||||
Exact match “Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 284 contacts → | ||||
Exact match “Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” 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 “subsurface evaluation companies”. 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 3,244 subsurface evaluation companies worldwide
See the full list, filter by size, metro and specialty, and access 33,454 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subsurface evaluation companies 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 subsurface evaluation companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “subsurface evaluation companies” 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 33,454 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.
Subsurface evaluation companies by location
20 lists · largest firstEvery Subsurface evaluation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Subsurface evaluation companies based in the United States456
- Subsurface evaluation companies based in Canada229
- Subsurface evaluation companies based in Australia195
- Subsurface evaluation companies based in Brazil188
- Subsurface evaluation companies based in the United Kingdom184
- Subsurface evaluation companies based in India103
- Subsurface evaluation companies based in Italy101
- Subsurface evaluation companies based in Indonesia93
- Subsurface evaluation companies based in Chile86
- Subsurface evaluation companies based in Colombia63
- Subsurface evaluation companies based in France62
- Subsurface evaluation companies based in Germany62
- Subsurface evaluation companies based in Mexico60
- Subsurface evaluation companies based in South Africa60
- Subsurface evaluation companies based in Spain47
- Subsurface evaluation companies based in Poland37
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 “subsurface evaluation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsurface evaluation companies are there worldwide?
RevenueBase identified 3,244 company matches for subsurface evaluation companies 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?
Halliburton tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most subsurface evaluation companies?
The United States leads with 456 companies, followed by Canada (229) and Australia (195). Every subsurface evaluation companies list by country and city is linked on this page.
Which city has the most subsurface evaluation companies?
Houston leads with 85 company records, followed by Calgary (80) and Perth (42).
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 33,454 professional contacts with verified work emails tracked across these 3,244 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 3,244 subsurface evaluation companies 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 subsurface evaluation companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,244 matching company records for subsurface evaluation companies worldwide, with 117,038 tracked contacts and 33,454 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 subsurface evaluation companies 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 |  Halliburtonhalliburton.comHQ: Houston, United StatesReported employees: 10001+ | Houston, United States | 10001+ | Exact match | 58,281 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  FUGROfugro.comHQ: Nootdorp, NetherlandsReported employees: 10001+ | Nootdorp, Netherlands | 10001+ | Exact match | 8,737 contacts → |
“We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SRK Consultingsrk.comHQ: Vancouver, CanadaReported employees: 1,001-5,000 | Vancouver, Canada | 1,001-5,000 | Exact match | 2,428 contacts → |
“SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Capital Limitedcapdrill.comHQ: Mauritius, AustriaReported employees: 1,001-5,000 | Mauritius, Austria | 1,001-5,000 | Exact match | 1,681 contacts → |
“Capital Limited is a leading service provider for the exploration and mining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  BGPbgp.com.cnHQ: Hebei, ChinaReported employees: 10001+ | Hebei, China | 10001+ | Exact match | 1,238 contacts → |
“BGP is one of the world's leading geophysical service companies, delivering a wide range of technologies, services and equipment to the oil and gas industry worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Viridienviridiengroup.comHQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,031 contacts → |
“Viridien is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sercelsercel.comHQ: Carquefou, FranceReported employees: 1,001-5,000 | Carquefou, France | 1,001-5,000 | Exact match | 847 contacts → |
“From natural resources to earth and infrastructure monitoring, energy transition, and defense, Sercel is a pioneer in measuring and understanding Earth’s subsurface to provide…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BGC Engineering INCbgcengineering.caHQ: Vancouver, BC, CanadaReported employees: 501-1,000 | Vancouver, BC, Canada | 501-1,000 | Exact match | 846 contacts → |
“BGC Engineering is an international consulting firm that provides professional services in applied earth sciences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Seequentseequent.comHQ: Christchurch, New ZealandReported employees: 501-1,000 | Christchurch, New Zealand | 501-1,000 | Exact match | 780 contacts → |
“Seequent, The Bentley Subsurface Company, helps organisations to understand the underground, giving them the confidence to make better decisions faster.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  IMDEXimdex.comHQ: Perth, AustraliaReported employees: 501-1,000 | Perth, Australia | 501-1,000 | Exact match | 780 contacts → |
“With more than 600 years of collective geoscience expertise, provided by more than 40 experts, we deliver unparalleled tenure and expertise across the global mining technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Saexplorationsaexploration.comHQ: Houston, AB, United StatesReported employees: 201-500 | Houston, AB, United States | 201-500 | Exact match | 671 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 | 594 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  AKD Internationalakdint.comHQ: PanamaReported employees: 201-500 | Panama | 201-500 | Exact match | 513 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Global Geophysical Servicesglobalgeophysical.comHQ: Missouri City, TX, United StatesReported employees: 201-500 | Missouri City, TX, United States | 201-500 | Exact match | 508 contacts → |
“GGS provides an integrated suite of Geoscience solutions to the global oil and gas industry including high-resolution RG-3D Reservoir Grade® seismic data acquisition, Multi Client…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Stratum Reservoirstratumreservoir.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 422 contacts → |
“Stratum Reservoir helps organizations make better decisions about their resources by transforming complex scientific data into actionable insights.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fugro Suhaimi Company LTDfugro-suhaimi.comHQ: Dammam, Saudi ArabiaReported employees: 501-1,000 | Dammam, Saudi Arabia | 501-1,000 | Exact match | 376 contacts → |
“We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Petroseismic Services S.Apetroseismicservices.comHQ: Bogota, ColombiaReported employees: 501-1,000 | Bogota, Colombia | 501-1,000 | Exact match | 363 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Asian Energy Services Limitedasianenergy.comHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 353 contacts → |
“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Conetecconetec.comHQ: Burnaby, NJ, CanadaReported employees: 501-1,000 | Burnaby, NJ, Canada | 501-1,000 | Exact match | 347 contacts → |
“ConeTec is a full-service geotechnical, geoenvironmental, and mining site investigation contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Geofizyka Torun S.Agtservices.plHQ: Toruń, PolandReported employees: 1,001-5,000 | Toruń, Poland | 1,001-5,000 | Exact match | 347 contacts → |
“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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. | |||||
| 23 |  BVP Geotecnia E Hidrotecniabvp.eng.brHQ: Belo Horizonte, BrazilReported employees: 201-500 | Belo Horizonte, Brazil | 201-500 | Exact match | 328 contacts → |
“Somos a BVP Geotecnia e Hidrotecnia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Intera Incorporatedintera.comHQ: Austin, FL, United StatesReported employees: 201-500 | Austin, FL, United States | 201-500 | Exact match | 286 contacts → |
“Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Degolyer And Macnaughtondemac.comHQ: Dallas, United StatesReported employees: 201-500 | Dallas, United States | 201-500 | Exact match | 284 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,244 company matches
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Subsurface evaluation companies: 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
3,217 records in the displayed employee bands.
27 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 3,244 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 ↗
Subsurface evaluation companies by location
20 lists · largest firstEvery Subsurface evaluation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Subsurface evaluation companies based in the United States456
- Subsurface evaluation companies based in Canada229
- Subsurface evaluation companies based in Australia195
- Subsurface evaluation companies based in Brazil188
- Subsurface evaluation companies based in the United Kingdom184
- Subsurface evaluation companies based in India103
- Subsurface evaluation companies based in Italy101
- Subsurface evaluation companies based in Indonesia93
- Subsurface evaluation companies based in Chile86
- Subsurface evaluation companies based in Colombia63
- Subsurface evaluation companies based in France62
- Subsurface evaluation companies based in Germany62
- Subsurface evaluation companies based in Mexico60
- Subsurface evaluation companies based in South Africa60
- Subsurface evaluation companies based in Spain47
- Subsurface evaluation companies based in Poland37
Cities
Questions about this company list
What does Exact match mean for subsurface evaluation companies?
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 subsurface evaluation companies did RevenueBase find worldwide?
The saved snapshot records 3,244 matching company records, 117,038 tracked contacts and 33,454 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 subsurface evaluation companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/subsurface-evaluation-companies.
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 subsurface evaluation companies worldwide
RevenueBase records 3,244 matching company records for subsurface evaluation companies worldwide, with 117,038 tracked contacts and 33,454 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 subsurface evaluation companies 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 | Halliburtonhalliburton.com HQ: Houston, United StatesReported employees: 10001+ | Houston, United States | 10001+ | Exact match | 58,281 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | FUGROfugro.com HQ: Nootdorp, NetherlandsReported employees: 10001+ | Nootdorp, Netherlands | 10001+ | Exact match | 8,737 contacts → |
“We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SRK Consultingsrk.com HQ: Vancouver, CanadaReported employees: 1,001-5,000 | Vancouver, Canada | 1,001-5,000 | Exact match | 2,428 contacts → |
“SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Capital Limitedcapdrill.com HQ: Mauritius, AustriaReported employees: 1,001-5,000 | Mauritius, Austria | 1,001-5,000 | Exact match | 1,681 contacts → |
“Capital Limited is a leading service provider for the exploration and mining industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BGPbgp.com.cn HQ: Hebei, ChinaReported employees: 10001+ | Hebei, China | 10001+ | Exact match | 1,238 contacts → |
“BGP is one of the world's leading geophysical service companies, delivering a wide range of technologies, services and equipment to the oil and gas industry worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Viridienviridiengroup.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 1,031 contacts → |
“Viridien is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sercelsercel.com HQ: Carquefou, FranceReported employees: 1,001-5,000 | Carquefou, France | 1,001-5,000 | Exact match | 847 contacts → |
“From natural resources to earth and infrastructure monitoring, energy transition, and defense, Sercel is a pioneer in measuring and understanding Earth’s subsurface to provide…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BGC Engineering INCbgcengineering.ca HQ: Vancouver, BC, CanadaReported employees: 501-1,000 | Vancouver, BC, Canada | 501-1,000 | Exact match | 846 contacts → |
“BGC Engineering is an international consulting firm that provides professional services in applied earth sciences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Seequentseequent.com HQ: Christchurch, New ZealandReported employees: 501-1,000 | Christchurch, New Zealand | 501-1,000 | Exact match | 780 contacts → |
“Seequent, The Bentley Subsurface Company, helps organisations to understand the underground, giving them the confidence to make better decisions faster.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | IMDEXimdex.com HQ: Perth, AustraliaReported employees: 501-1,000 | Perth, Australia | 501-1,000 | Exact match | 780 contacts → |
“With more than 600 years of collective geoscience expertise, provided by more than 40 experts, we deliver unparalleled tenure and expertise across the global mining technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Saexplorationsaexploration.com HQ: Houston, AB, United StatesReported employees: 201-500 | Houston, AB, United States | 201-500 | Exact match | 671 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 | 594 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AKD Internationalakdint.com HQ: PanamaReported employees: 201-500 | Panama | 201-500 | Exact match | 513 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Global Geophysical Servicesglobalgeophysical.com HQ: Missouri City, TX, United StatesReported employees: 201-500 | Missouri City, TX, United States | 201-500 | Exact match | 508 contacts → |
“GGS provides an integrated suite of Geoscience solutions to the global oil and gas industry including high-resolution RG-3D Reservoir Grade® seismic data acquisition, Multi Client…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Stratum Reservoirstratumreservoir.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 422 contacts → |
“Stratum Reservoir helps organizations make better decisions about their resources by transforming complex scientific data into actionable insights.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fugro Suhaimi Company LTDfugro-suhaimi.com HQ: Dammam, Saudi ArabiaReported employees: 501-1,000 | Dammam, Saudi Arabia | 501-1,000 | Exact match | 376 contacts → |
“We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Petroseismic Services S.Apetroseismicservices.com HQ: Bogota, ColombiaReported employees: 501-1,000 | Bogota, Colombia | 501-1,000 | Exact match | 363 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Asian Energy Services Limitedasianenergy.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 353 contacts → |
“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Conetecconetec.com HQ: Burnaby, NJ, CanadaReported employees: 501-1,000 | Burnaby, NJ, Canada | 501-1,000 | Exact match | 347 contacts → |
“ConeTec is a full-service geotechnical, geoenvironmental, and mining site investigation contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Geofizyka Torun S.Agtservices.pl HQ: Toruń, PolandReported employees: 1,001-5,000 | Toruń, Poland | 1,001-5,000 | Exact match | 347 contacts → |
“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | BVP Geotecnia E Hidrotecniabvp.eng.br HQ: Belo Horizonte, BrazilReported employees: 201-500 | Belo Horizonte, Brazil | 201-500 | Exact match | 328 contacts → |
“Somos a BVP Geotecnia e Hidrotecnia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Intera Incorporatedintera.com HQ: Austin, FL, United StatesReported employees: 201-500 | Austin, FL, United States | 201-500 | Exact match | 286 contacts → |
“Established in 1974, INTERA is a geosciences and engineering consulting firm focused on providing water resources and supply, environmental, mining, radioactive waste isolation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Degolyer And Macnaughtondemac.com HQ: Dallas, United StatesReported employees: 201-500 | Dallas, United States | 201-500 | Exact match | 284 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Subsurface evaluation companies: 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
3,217 records in the displayed employee bands.
27 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 3,244 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 ↗
Subsurface evaluation companies by location
20 lists · largest firstEvery Subsurface evaluation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Subsurface evaluation companies based in the United States456
- Subsurface evaluation companies based in Canada229
- Subsurface evaluation companies based in Australia195
- Subsurface evaluation companies based in Brazil188
- Subsurface evaluation companies based in the United Kingdom184
- Subsurface evaluation companies based in India103
- Subsurface evaluation companies based in Italy101
- Subsurface evaluation companies based in Indonesia93
- Subsurface evaluation companies based in Chile86
- Subsurface evaluation companies based in Colombia63
- Subsurface evaluation companies based in France62
- Subsurface evaluation companies based in Germany62
- Subsurface evaluation companies based in Mexico60
- Subsurface evaluation companies based in South Africa60
- Subsurface evaluation companies based in Spain47
- Subsurface evaluation companies based in Poland37
Cities
Questions about this company list
What does Exact match mean for subsurface evaluation companies?
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 subsurface evaluation companies did RevenueBase find worldwide?
The saved snapshot records 3,244 matching company records, 117,038 tracked contacts and 33,454 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
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Cite this list
RevenueBase Data Team. Top 25 subsurface evaluation companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/subsurface-evaluation-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗