Company lists · Data refreshed November 2026

Top 25 Geology services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 22,158 companies tracked

RevenueBase identified 22,158 company matches for geology services worldwide as of November 2026 and tracks 448,088 professional contacts across them, including 115,655 with verified work emails. The United States is the largest market and Belo Horizonte the largest hub.

This list covers company matches for geology 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 geology 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

22,158Companies

448,088Contacts tracked

115,655Verified emails

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The 25 largest geology services worldwide

Ranked by team size

Top 25 of 22,158 company matches for geology 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	ORICA	Exact match	East Melbourne, AustraliaHQ recorded Nov 6, 2026	10001+	9,393 contacts →
	Exact match “Our story began in 1874, when we first supplied explosives to the Victorian goldfields in Australia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	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
5	Boart Longyear	Exact match	West Valley City, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,644 contacts →
	Exact match “Established in 1890, Boart Longyear is the world’s leading innovative provider of drilling services, manufacturer of productivity-driven drilling equipment and performance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Golder	Exact match	Las Condes, CanadaHQ recorded Nov 6, 2026	5,001-10,000	3,239 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Macmahon	Exact match	Perth Airport, AustraliaHQ recorded Nov 6, 2026	10001+	2,854 contacts →
	Exact match “Macmahon is a diversified contractor with leading capabilities in surface and underground mining, civil construction and resources engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Stracon	Exact match	San Isidro, PeruHQ recorded Nov 6, 2026	1,001-5,000	2,847 contacts →
	Exact match “STRACON es una empresa de STRACON Group, un proveedor líder de servicios de minería especializada en América del Norte, Central y del Sur.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	PT Cipta Kridatama	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	2,711 contacts →
	Exact match “Starting as a heavy equipment rental service provider, PT Cipta Kridatama has now grown as one of Indonesia leading mining contractor companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	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
12	Redpath Mining	Exact match	North Bay, ON, CanadaHQ recorded Nov 6, 2026	5,001-10,000	2,307 contacts →
	Exact match “Established in 1962, The Redpath Group is an experienced, full-service solutions provider to the global underground mining industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	DRA Global	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	2,266 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 · Nov 6, 2026 · View company records in RevenueBase
14	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
15	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
16	Major Drilling	Exact match	Moncton, NB, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,607 contacts →
	Exact match “Major Drilling Group International Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	PT Saptaindra Sejati SIS	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	10001+	1,510 contacts →
	Exact match “PT Saptaindra Sejati (SIS) is one of Indonesia’s largest mining contractors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Partner Engineering & Science, INC	Exact match	Torrance, WA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,481 contacts →
	Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	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
21	PT Pertamina Drilling Services Indonesia	Exact match	South Jakarta, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	1,344 contacts →
	Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Fraser Alexander	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	1,313 contacts →
	Exact match “Fraser Alexander has been providing customised solutions to the mining industry since 1912.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Soletanche Bachy	Exact match	Rueil-malmaison, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,306 contacts →
	Exact match “Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	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

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 “geology 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 22,158 geology services worldwide

See the full list, filter by size, metro and specialty, and access 115,655 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geology services worldwide at a glance

As of Nov 6, 2026

25.8%Verified-email coverage

20.2Average 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

11,328

11-50

6,973

51-200

2,525

201-500

686

501-1,000

206

1,001-5,000

149

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 geology services are linked below.
What qualifies: Company records worldwide whose business descriptions match “geology 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 115,655 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.

Geology services by location

94 lists · largest first

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

How many geology services are there worldwide?

RevenueBase identified 22,158 company matches for geology 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 geology services?

The United States leads with 3,500 companies, followed by Brazil (1,766) and Australia (1,382). Every geology services list by country and city is linked on this page.

Which city has the most geology services?

Belo Horizonte leads with 244 company records, followed by Houston (242) and Perth (221).

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 115,655 professional contacts with verified work emails tracked across these 22,158 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.