Company lists · Data refreshed November 2026

Top 25 Geology operations services worldwide

RevenueBase identified 12,027 company matches for geology operations services worldwide as of November 2026 and tracks 287,250 professional contacts across them, including 65,878 with verified work emails. The United States is the largest market and Perth the largest hub.

This list covers company matches for geology operations 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 operations 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
12,027Companies
287,250Contacts tracked
65,878Verified emails
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The 25 largest geology operations services worldwide

Ranked by team size
Top 25 of 12,027 company matches for geology operations 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, United StatesHQ recorded Nov 6, 202610001+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
2Exact matchNootdorp, NetherlandsHQ recorded Nov 6, 202610001+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
3Exact matchWest Valley City, United StatesHQ recorded Nov 6, 20265,001-10,0003,644 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
4Exact matchSan Isidro, PeruHQ recorded Nov 6, 20261,001-5,0002,847 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
5Exact matchJakarta, IndonesiaHQ recorded Nov 6, 20261,001-5,0002,711 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
6Exact matchVancouver, CanadaHQ recorded Nov 6, 20261,001-5,0002,428 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
7Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,0002,266 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
8Exact matchMauritius, AustriaHQ recorded Nov 6, 20261,001-5,0001,681 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
9Exact matchMoncton, NB, CanadaHQ recorded Nov 6, 20261,001-5,0001,607 contacts →

Exact match

“Major Drilling Group International Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202610001+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
11Exact matchBelvedere, United StatesHQ recorded Nov 6, 20261,001-5,0001,378 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
12Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 20261,001-5,0001,374 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
13Exact matchSouth Jakarta, IndonesiaHQ recorded Nov 6, 20261,001-5,0001,344 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
14Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,0001,313 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
15Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,245 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
16Exact matchHebei, ChinaHQ recorded Nov 6, 202610001+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
17Exact matchApplecross, NV, AustraliaHQ recorded Nov 6, 20261,001-5,0001,236 contacts →

Exact match

“Mader Group is a leading global provider of specialist technical services across the mining, energy and industrial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIndiaHQ recorded Nov 6, 20265,001-10,0001,216 contacts →

Exact match

“A proven track record spanning two decades of experience, a project portfolio that testifies our expertise and a prominent client base from the mining and manufacturing industry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261,001-5,0001,185 contacts →

Exact match

“HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLaksevåg, United StatesHQ recorded Nov 6, 20261,001-5,0001,073 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
21Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,031 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
22Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,000928 contacts →

Exact match

“Minopex was established in 1996 in response to a growing need in the mining industry for contract operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCarquefou, FranceHQ recorded Nov 6, 20261,001-5,000847 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
24Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 2026501-1,000846 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
25Exact matchOslo, NorwayHQ recorded Nov 6, 2026501-1,000837 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

Showing 25 of 12,027 geology operations services worldwide

See the full list, filter by size, metro and specialty, and access 65,878 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geology operations services worldwide at a glance

As of Nov 6, 2026
22.9%Verified-email coverage
23.9Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · Perth
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
6,042
11-50
3,703
51-200
1,454
201-500
424
501-1,000
148
1,001-5,000
113
5,001-10,000
19
10001+
19

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 operations services are linked below.
What qualifies
Company records worldwide whose business descriptions match “geology operations 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 65,878 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 operations services by location

57 lists · largest first

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

How many geology operations services are there worldwide?

RevenueBase identified 12,027 company matches for geology operations 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 operations services?

The United States leads with 1,432 companies, followed by Brazil (908) and Australia (906). Every geology operations services list by country and city is linked on this page.

Which city has the most geology operations services?

Perth leads with 171 company records, followed by Houston (160) and Belo Horizonte (159).

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 65,878 professional contacts with verified work emails tracked across these 12,027 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.