Company lists · Data refreshed November 2026

Top 25 Geophysics services worldwide

Name: Geophysics services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,165 companies tracked

RevenueBase identified 13,165 company matches for geophysics services worldwide as of November 2026 and tracks 255,169 professional contacts across them, including 64,548 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for geophysics services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for geophysics services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

13,165Companies

255,169Contacts tracked

64,548Verified emails

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The 25 largest geophysics services worldwide

Ranked by team size

Top 25 of 13,165 company matches for geophysics services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Halliburton	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	10001+	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	FUGRO	Exact match	Nootdorp, NetherlandsHQ recorded Nov 6, 2026	10001+	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	RMSI	Exact match	Noida, ON, IndiaHQ recorded Nov 6, 2026	1,001-5,000	5,830 contacts →
	Exact match “RMSI is a global leader in geospatial and engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	SEG	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	n/a	3,229 contacts →
	Exact match “With a rich history of excellence, SEG fosters a global community dedicated to advancing geophysical science through education, professional development, and collaboration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Ramtech Software Solutions	Exact match	Noida, MN, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,392 contacts →
	Exact match “Founded in 1992, RAMTeCH Software Solutions, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Geolog International	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	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
7	Capital Limited	Exact match	Mauritius, AustriaHQ recorded Nov 6, 2026	1,001-5,000	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
8	SAM	Exact match	Austin, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,430 contacts →
	Exact match “SAM has built a reputation as a trusted, knowledgeable, and innovative partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Scientific Drilling	Exact match	The Woodlands, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,245 contacts →
	Exact match “THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	BGP	Exact match	Hebei, ChinaHQ recorded Nov 6, 2026	10001+	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
11	Shearwater Geoservices	Exact match	Laksevåg, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,073 contacts →
	Exact match “Shearwater is a global marine geoscience and technology business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Viridien	Exact match	United StatesHQ recorded Nov 6, 2026	1,001-5,000	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
13	Geokinetics INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	987 contacts →
	Exact match “Headquartered in Houston, Texas, Geokinetics is one of the world’s largest independent land and seafloor geophysical companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	GZA Geoenvironmental, INC	Exact match	Norwood, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	922 contacts →
	Exact match “Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Sercel	Exact match	Carquefou, FranceHQ recorded Nov 6, 2026	1,001-5,000	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
16	BGC Engineering INC	Exact match	Vancouver, BC, CanadaHQ recorded Nov 6, 2026	501-1,000	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
17	Magnasoft	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	501-1,000	844 contacts →
	Exact match “At Magnasoft, we have an unparalleled understanding of the power of geospatial data.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	LMKR	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	842 contacts →
	Exact match “Founded in 1994 and built on a strong geoscience and data management footprint, LMKR has evolved into a premier technology company expanding its reach to Clean Energy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	AGR	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	501-1,000	837 contacts →
	Exact match “AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Sigma S.A. Chile	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	201-500	833 contacts →
	Exact match “Somos una empresa de excelencia que desarrolla servicios integrales de Estudios Eléctricos, ingeniería, montaje industrial, geomensura, apoyo profesional, inspección técnica y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Seequent	Exact match	Christchurch, New ZealandHQ recorded Nov 6, 2026	501-1,000	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
22	IMDEX	Exact match	Perth, AustraliaHQ recorded Nov 6, 2026	501-1,000	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
23	Nv5 Geospatial	Exact match	St. Petersburg, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	691 contacts →
	Exact match “NV5 provides engineering, technology, and consulting services for both public and private sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Geotec	Exact match	Ate, BelgiumHQ recorded Nov 6, 2026	1,001-5,000	690 contacts →
	Exact match “Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Saexploration	Exact match	Houston, AB, United StatesHQ recorded Nov 6, 2026	201-500	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

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 “geophysics services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 13,165 geophysics services worldwide

See the full list, filter by size, metro and specialty, and access 64,548 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geophysics services worldwide at a glance

As of Nov 6, 2026

25.3%Verified-email coverage

19.4Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

7,172

11-50

4,103

51-200

1,308

201-500

288

501-1,000

1,001-5,000

5,001-10,000

10001+

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 geophysics services are linked below.
What qualifies: Company records worldwide whose business descriptions match “geophysics services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 64,548 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.

Geophysics services by location

60 lists · largest first

Every Geophysics services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “geophysics services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geophysics services are there worldwide?

RevenueBase identified 13,165 company matches for geophysics services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most geophysics services?

The United States leads with 1,933 companies, followed by Brazil (1,016) and Canada (725). Every geophysics services list by country and city is linked on this page.

Which city has the most geophysics services?

Houston leads with 243 company records, followed by Calgary (189) and Belo Horizonte (136).

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 64,548 professional contacts with verified work emails tracked across these 13,165 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.

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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.