Company lists · Data refreshed September 2026

Top 25 Gravity and magnetic survey software companies worldwide

RevenueBase identified 1,045 gravity and magnetic survey software companies worldwide as of September 2026 and tracks 13,129 professional contacts across them, including 3,644 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers gravity and magnetic survey software companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for gravity and magnetic survey software companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
1,045Companies
13,129Contacts tracked
3,644Verified emails
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The 25 largest gravity and magnetic survey software companies worldwide

Ranked by team size
Top 25 of 1,045 gravity and magnetic survey software companies worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to gravity and magnetic survey software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCarquefou, FranceHQ checked Sep 28, 20261,001-5,000761 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 2026201-500583 contacts →

Indirect evidence

“ION commenced the voluntary Chapter 11 process with lender support and DIP financing in April 2022.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceDenver, CO, United StatesHQ checked Sep 28, 2026201-500466 contacts →

Partial evidence

“IFS Energy and Resources is the world’s largest independent provider of software and data solutions exclusively serving the upstream oil and gas, mining, and resource industries.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceToruń, PolandHQ checked Sep 28, 20261,001-5,000310 contacts →

Indirect evidence

“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceBogota, ColombiaHQ checked Sep 28, 2026501-1,000267 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceBucharest, RomaniaHQ checked Sep 28, 20261,001-5,000240 contacts →

Indirect evidence

“Prospectiuni SA is a major provider of geophysical expertise, with over 60 years of experience in the Romanian Oil and Gas industry.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidencePensacola, FL, United StatesHQ checked Sep 28, 202651-200168 contacts →

Indirect evidence

“EarthSoft is the recognized leader in providing environmental and geotechnical data management and decision support systems for industrial organizations, government agencies…”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceToronto, ON, CanadaHQ checked Sep 28, 202651-200146 contacts →

Partial evidence

“Rocscience is a global provider of engineering modelling, analysis, and design software across geotechnical, mining, structural, hydrogeology, and energy applications.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceMilmort, BelgiumHQ checked Sep 28, 202651-200146 contacts →

Partial evidence

“G-TEC provides marine and land based geophysical surveys.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceZeist, NetherlandsHQ checked Sep 28, 202651-200126 contacts →

Partial evidence

“QPS is a software design company specialised in Hydrographic and Maritime applications.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceSaskatoon, SK, CanadaHQ checked Sep 28, 2026201-500116 contacts →

Indirect evidence

“Dias is a world leader in innovative geophysical technologies used to map the subsurface in search of copper, gold, lithium, silver, uranium, zinc and more.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceHouston, TX, United StatesHQ checked Sep 28, 202651-200115 contacts →

Partial evidence

“GeoSoftware is the global trusted partner for subsurface geoscience software and consulting services.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceBudapest, HungaryHQ checked Sep 28, 202651-200113 contacts →

Partial evidence

“The Emlid team makes the surveyor's workflow more straightforward.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceChileHQ checked Sep 28, 202651-200104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceNashua, NH, United StatesHQ checked Sep 28, 202651-200103 contacts →

Partial evidence

“Geophysical Survey Systems, Inc.(GSSI) is the world leader in the development of ground penetrating radar.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceÑuñoa, ChileHQ checked Sep 28, 202651-20099 contacts →

Indirect evidence

“Geodetec Ingeniería - Soluciones de Ingeniería para la Minería en Chile Somos una empresa líder en ingeniería de terreno con más de 30 años de experiencia en el mercado chileno.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 202651-20079 contacts →

Indirect evidence

“Specialist in Real-Time Completions Intelligence for Fracture Geometry & Efficiency | Geohazards | Stress Field | CCUS | Geothermal | FDI | Sinkhole Detection | Induced Seismicity…”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceCalgary, AB, CanadaHQ checked Sep 28, 202651-20079 contacts →

Indirect evidence

“Divestco Geoscience is Canada’s largest integrated geoscience provider.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceOslo, NorwayHQ checked Sep 28, 202611-5079 contacts →

Indirect evidence

“EMGS Global AS (EMGS) is a leading provider of marine electromagnetic (EM) data and technology for offshore subsurface exploration and development.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceEynsham, United KingdomHQ checked Sep 28, 202651-20075 contacts →

Partial evidence

“Zetica is the UK’s leader in engineering and environmental geophysics, with an enviable reputation for objective advice, novel problem solving, consistently high-quality surveys…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceFoz Do Iguaçu, BrazilHQ checked Sep 28, 202651-20075 contacts →

Indirect evidence

“Innovation is one our favorite words!”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceAberdeen, United KingdomHQ checked Sep 28, 202651-20073 contacts →

Indirect evidence

“HRH Geology is the Oil and Gas Industry's leading provider of Operational Geology solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceSolna, SwedenHQ checked Sep 28, 202651-20072 contacts →

Indirect evidence

“Welcome to Guideline Geo | ABEM | MALÅ, A world leading provider of non-destructive geophysical solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceAurora, ON, CanadaHQ checked Sep 28, 202651-20071 contacts →

Indirect evidence

“Geotech is a privately owned company established in 1981, with corporate headquarters and research and development facility in Aurora, ON, Canada.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 202651-20071 contacts →

Indirect evidence

“For more than three decades, we’ve supported geoscientists by creating products that help visualize, monitor, and analyze subsurface data from anywhere in the world.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 1,045 gravity and magnetic survey software companies worldwide

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Gravity and magnetic survey software companies worldwide at a glance

As of Sep 28, 2026
27.8%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · Houston
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
570
11-50
330
51-200
115
201-500
15
501-1,000
2
1,001-5,000
5
5,001-10,000
1
10001+
2

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among gravity and magnetic survey software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for gravity and magnetic survey software companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “gravity and magnetic survey software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names gravity and magnetic survey software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among gravity and magnetic survey software companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,644 across the full list. 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 September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Gravity and magnetic survey software companies by location

9 lists · largest first

Every Gravity and magnetic survey software companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names gravity and magnetic survey software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many gravity and magnetic survey software companies are there worldwide?

RevenueBase identified 1,045 gravity and magnetic survey software companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Sercel, headquartered in Carquefou, tops this list with the largest team on record.

Which country has the most gravity and magnetic survey software companies?

The United States leads with 175 companies, followed by Canada (119) and the United Kingdom (72). Every gravity and magnetic survey software companies list by country and city is linked on this page.

Which city has the most gravity and magnetic survey software companies?

Houston leads with 42 headquartered companies, followed by Calgary (30) and Perth (13).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,644 verified decision-maker contacts tracked across these 1,045 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.