Company lists · Data refreshed September 2026

Top 25 Geoscience consulting firms worldwide

Name: Geoscience consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 30,635 companies tracked

RevenueBase identified 30,635 company matches for geoscience consulting firms worldwide as of September 2026 and tracks 727,961 professional contacts across them, including 254,487 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for geoscience consulting firms 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 September 28, 2026. Country and city lists for geoscience consulting firms 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 Sep 28, 2026 How this list was built

30,635Companies

727,961Contacts tracked

254,487Verified emails

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The 25 largest geoscience consulting firms worldwide

Ranked by team size

Top 25 of 30,635 company matches for geoscience consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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, TX, United StatesHQ recorded Sep 28, 2026	10001+	53,380 contacts →
	Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 28, 2026	10001+	28,416 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	WOOD	Exact match	Aberdeen, United KingdomHQ recorded Sep 28, 2026	10001+	26,949 contacts →
	Exact match “Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	WSP	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	10001+	20,382 contacts →
	Exact match “WSP is one of the world’s leading engineering, science and infrastructure solutions firms, uniting its multidisciplinary expertise to shape communities to advance humanity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	FUGRO	Exact match	Leidschendam, NetherlandsHQ recorded Sep 28, 2026	10001+	8,248 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 · Sep 28, 2026 · View company records in RevenueBase
6	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,113 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Ausenco	Exact match	South Brisbane, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	3,826 contacts →
	Exact match “We transform complex challenges into sustainable solutions for the minerals & metals and industrial sectors worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Sep 28, 2026	10001+	3,436 contacts →
	Exact match “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Golder	Exact match	Vancouver, BC, CanadaHQ recorded Sep 28, 2026	5,001-10,000	3,167 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	CGG	Exact match	Massy, FranceHQ recorded Sep 28, 2026	1,001-5,000	2,782 contacts →
	Exact match “Founded in 1931, Viridien (formerly CGG) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Multiconsult	Exact match	Oslo, NorwayHQ recorded Sep 28, 2026	1,001-5,000	2,553 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,473 contacts →
	Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,393 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	CYD Ingeniería	Exact match	Santiago, ChileHQ recorded Sep 28, 2026	1,001-5,000	2,390 contacts →
	Exact match “Nuestro propósito es contribuir al progreso sostenible de Latinoamérica y el mundo, mejorando la calidad de vida de las comunidades y dejando huella en las personas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	SRK Consulting	Exact match	Vancouver, CanadaHQ recorded Sep 28, 2026	1,001-5,000	2,259 contacts →
	Exact match “SRK Consulting is an independent, international group providing specialised consultancy services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Providence	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 28, 2026	n/a	2,232 contacts →
	Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,210 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	DRA Global	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	1,001-5,000	2,180 contacts →
	Exact match “DRA Global Limited (DRA or the Group) is an international multi-disciplinary engineering, project delivery and operations management group, predominantly focused on the mining…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Langan Engineering & Environmental Services	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,177 contacts →
	Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Civil & Environmental Consultants, INC	Exact match	Moon Township, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,145 contacts →
	Exact match “Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Hazen And Sawyer	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,100 contacts →
	Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	R&q Ingeniería	Exact match	Santiago, ChileHQ recorded Sep 28, 2026	1,001-5,000	1,939 contacts →
	Exact match “Con más de 49 años en el mercado, R&Q Ingeniería, de capitales chilenos, se ha consolidado como una consultora líder en la región.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	LJA	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,932 contacts →
	Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Englobe	Exact match	Québec, QC, CanadaHQ recorded Sep 28, 2026	1,001-5,000	1,852 contacts →
	Exact match “Englobe is a leader in the fields of engineering, gesosciences, environmental management, asset integrity and quality management.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Burns & Mcdonnell India	Exact match	Vikhroli West, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,724 contacts →
	Exact match “At Burns & McDonnell India, we are a diverse team of talented engineers with multidiscipline design and consultancy working across sectors in critical infrastructure: oil and gas…” Recorded in the RevenueBase company graph · Sep 28, 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 “geoscience consulting firms”. 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 30,635 geoscience consulting firms worldwide

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Geoscience consulting firms worldwide at a glance

As of Sep 28, 2026

35.0%Verified-email coverage

23.8Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

16,788

11-50

9,481

51-200

3,074

201-500

699

501-1,000

241

1,001-5,000

180

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 geoscience consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “geoscience consulting firms” 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 254,487 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 September 28, 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.

Geoscience consulting firms by location

135 lists · largest first

Every Geoscience consulting firms 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 “geoscience consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geoscience consulting firms are there worldwide?

RevenueBase identified 30,635 company matches for geoscience consulting firms worldwide as of September 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 geoscience consulting firms?

The United States leads with 6,661 companies, followed by Brazil (2,731) and Canada (1,940). Every geoscience consulting firms list by country and city is linked on this page.

Which city has the most geoscience consulting firms?

Houston leads with 371 company records, followed by Calgary (339) and Belo Horizonte (292).

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 254,487 professional contacts with verified work emails tracked across these 30,635 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 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 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.