Company lists · Data refreshed November 2026

Top 25 Geological survey consultants worldwide

Name: Geological survey consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 13,306 companies tracked

RevenueBase identified 13,306 company matches for geological survey consultants worldwide as of November 2026 and tracks 186,405 professional contacts across them, including 54,143 with verified work emails. The United States is the largest market and Belo Horizonte the largest hub.

This list covers company matches for geological survey consultants 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 geological survey consultants 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

13,306Companies

186,405Contacts tracked

54,143Verified emails

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The 25 largest geological survey consultants worldwide

Ranked by team size

Top 25 of 13,306 company matches for geological survey consultants 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	Terracon	Exact match	Olathe, NE, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,576 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	PT Surveyor Indonesia	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	5,001-10,000	2,700 contacts →
	Exact match “Surveyor Indonesia didirikan pada tanggal 1 Agustus 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	SRK Consulting	Exact match	Vancouver, CanadaHQ recorded Nov 6, 2026	1,001-5,000	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	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,363 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	Knight Piesold	Exact match	Belvedere, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,378 contacts →
	Exact match “Knight Piésold is an employee-owned, global consulting firm delivering specialist services to the mining, power, water resources, and infrastructure industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Geosol Geologia E Sondagens S.A	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,374 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 · Nov 6, 2026 · View company records in RevenueBase
8	Ingenieria Civil Vicente	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	1,001-5,000	950 contacts →
	Exact match “Más de 60 años aportando al país, a través de servicios integrales para la gran minería, movimiento de tierras masivos y obras de ingeniería civil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Klohn Crippen Berger	Exact match	Vancouver, NB, CanadaHQ recorded Nov 6, 2026	501-1,000	909 contacts →
	Exact match “KCB is a global engineering, geosciences, and environmental consulting firm driven by Passion, Integrity and a commitment to Excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	Sondotécnica Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	201-500	696 contacts →
	Exact match “Sondotécnica was founded in 1954.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	Pt. Anindya Wiraputra Konsult	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	682 contacts →
	Exact match “ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	Raba Kistner, INC	Exact match	San Antonio, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	612 contacts →
	Exact match “Founded in 1968, Raba Kistner Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	ARGAS	Exact match	4204 King Fahd Road, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	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
19	Gardline Limited	Exact match	Great Yarmouth, United KingdomHQ recorded Nov 6, 2026	501-1,000	557 contacts →
	Exact match “Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Nova Engineering And Environmental, LLC	Exact match	Kennesaw, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	541 contacts →
	Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	AKD International	Exact match	PanamaHQ recorded Nov 6, 2026	201-500	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
22	ERG Engenharia	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	201-500	508 contacts →
	Exact match “Empresa mineira, fundada em 1988, a ERG Engenharia mantém vivo o seu ideal de participar da construção de um mundo melhor e sustentável.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Geo-Technology Associates, Inc. GTA	Exact match	Abingdon, OH, United KingdomHQ recorded Nov 6, 2026	501-1,000	503 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 · Nov 6, 2026 · View company records in RevenueBase
24	Groupe Géotec	Exact match	Quetigny, FranceHQ recorded Nov 6, 2026	501-1,000	499 contacts →
	Exact match “Groupe Géotec, bureau d’études en ingénierie géotechnique et environnementale, créé en 1973, conseille l’ensemble des interlocuteurs de l’acte de construire : maîtres d’ouvrage…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	GEO	Exact match	Kgs. Lyngby (copenhagen), DenmarkHQ recorded Nov 6, 2026	201-500	497 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 · 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 “geological survey consultants”. 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 13,306 geological survey consultants worldwide

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Geological survey consultants worldwide at a glance

As of Nov 6, 2026

29.0%Verified-email coverage

14.0Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · Belo Horizonte

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

7,049

11-50

4,353

51-200

1,367

201-500

269

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 geological survey consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “geological survey consultants” 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 54,143 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.

Geological survey consultants by location

54 lists · largest first

Every Geological survey consultants 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 “geological survey consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geological survey consultants are there worldwide?

RevenueBase identified 13,306 company matches for geological survey consultants 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?

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

Which country has the most geological survey consultants?

The United States leads with 2,251 companies, followed by Australia (994) and Brazil (858). Every geological survey consultants list by country and city is linked on this page.

Which city has the most geological survey consultants?

Belo Horizonte leads with 148 company records, followed by Perth (134) and Calgary (107).

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 54,143 professional contacts with verified work emails tracked across these 13,306 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.