Company lists · Data refreshed November 2026

Top 25 Oil and gas survey companies worldwide

Name: Oil and gas survey companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 4, 2026 10,384 companies tracked

RevenueBase identified 10,384 company matches for oil and gas survey companies worldwide as of November 2026 and tracks 219,883 professional contacts across them, including 46,650 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil and gas survey companies 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 4, 2026. Country and city lists for oil and gas survey companies 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 4, 2026 How this list was built

10,384Companies

219,883Contacts tracked

46,650Verified emails

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The 25 largest oil and gas survey companies worldwide

Ranked by team size

Top 25 of 10,384 company matches for oil and gas survey companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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	Trimble INC	Exact match	Westminster, United StatesHQ recorded Nov 4, 2026	10001+	10,322 contacts →
	Exact match “Trimble is a global technology company that connects the physical and digital worlds, transforming the ways work gets done.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2	FUGRO	Exact match	Nootdorp, NetherlandsHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
3	RMSI	Exact match	Noida, ON, IndiaHQ recorded Nov 4, 2026	1,001-5,000	5,830 contacts →
	Exact match “RMSI is a global leader in geospatial and engineering solutions.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 4, 2026	1,001-5,000	4,263 contacts →
	Exact match “We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 4, 2026	1,001-5,000	2,408 contacts →
	Exact match “OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6	Ramtech Software Solutions	Exact match	Noida, MN, IndiaHQ recorded Nov 4, 2026	1,001-5,000	2,392 contacts →
	Exact match “Founded in 1992, RAMTeCH Software Solutions, Inc.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7	OIL States International	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	5,001-10,000	1,831 contacts →
	Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8	Geolog International	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
9	TPIC	Exact match	Gölbaşı, TürkiyeHQ recorded Nov 4, 2026	1,001-5,000	1,451 contacts →
	Exact match “Turkish Petroleum International Company (TPIC) 1988 yılında, uluslararası petrol endüstrisinin tüm değer zincirinde faaliyet göstermek amacıyla, Türkiye Petrolleri Anonim…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10	SAM	Exact match	Austin, NC, United StatesHQ recorded Nov 4, 2026	1,001-5,000	1,430 contacts →
	Exact match “SAM has built a reputation as a trusted, knowledgeable, and innovative partner.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11	Cudd Energy Services	Exact match	The Woodlands, TX, United StatesHQ recorded Nov 4, 2026	1,001-5,000	1,359 contacts →
	Exact match “Cudd offers a broad range of technical and specialized oilfield services to companies engaged in the exploration and production of oil and natural gas worldwide.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12	Aries Energy	Exact match	United Arab EmiratesHQ recorded Nov 4, 2026	1,001-5,000	1,319 contacts →
	Exact match “Aries is the largest Engineering, Inspection & Maintenance firm in the Middle East.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13	Abraj Energy Services	Exact match	Muscat, OmanHQ recorded Nov 4, 2026	1,001-5,000	1,315 contacts →
	Exact match “Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14	IIC Technologies	Exact match	Hyderabad, IndiaHQ recorded Nov 4, 2026	1,001-5,000	1,275 contacts →
	Exact match “IIC Technologies is a CMMI level 3 rated, ISO 27001, ISO and ISO 9001 accredited provider of geospatial solutions and services for the acquisition, management, integration and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15	BGP	Exact match	Hebei, ChinaHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
16	Sertecpet	Exact match	Quito - El Coca, EcuadorHQ recorded Nov 4, 2026	1,001-5,000	1,231 contacts →
	Exact match “SERTECPET® is a multinational company specialized in providing worldwide Integrated Energy Solutions with state-of-the-art technology.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17	Aabsys IT	Exact match	Bhubaneswar, IndiaHQ recorded Nov 4, 2026	1,001-5,000	1,224 contacts →
	Exact match “About AABSyS AABSyS IT is a 28-year-old, award-winning company that leverages digital technologies, deep domain expertise, strong financials, and scaling-up expertise to provide…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18	Queiroz Galvão Óleo E GÁS S.A	Exact match	BrazilHQ recorded Nov 4, 2026	1,001-5,000	1,217 contacts →
	Exact match “A Queiroz Galvão Óleo e Gás (QGOG) é a maior companhia privada de prestação de serviços de perfuração e produção do Brasil.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19	John Energy Limited	Exact match	Ahmadabad, IndiaHQ recorded Nov 4, 2026	501-1,000	1,153 contacts →
	Exact match “JEL is India based niche provider of oil & Gas Field serives.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20	Timmons Group	Exact match	Richmond, NC, United StatesHQ recorded Nov 4, 2026	1,001-5,000	1,138 contacts →
	Exact match “Timmons Group is an engineering & technology firm specializing in civil, environmental, GIS, and surveying services to clients across the US.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21	Welltec	Exact match	Allerød, DenmarkHQ recorded Nov 4, 2026	501-1,000	1,124 contacts →
	Exact match “Welltec® is a global technology company that develops and provides efficient, hi-tech solutions for the energy industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22	Geokinetics INC	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	501-1,000	987 contacts →
	Exact match “Headquartered in Houston, Texas, Geokinetics is one of the world’s largest independent land and seafloor geophysical companies.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23	Pioneer Energy Services	Exact match	San Antonio, TX, United StatesHQ recorded Nov 4, 2026	1,001-5,000	852 contacts →
	Exact match “Pioneer Energy Services is now Patterson-UTI” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24	Magnasoft	Exact match	Bangalore, IndiaHQ recorded Nov 4, 2026	501-1,000	844 contacts →
	Exact match “At Magnasoft, we have an unparalleled understanding of the power of geospatial data.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25	AGR	Exact match	Oslo, NorwayHQ recorded Nov 4, 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 4, 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 “oil and gas survey companies”. 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 10,384 oil and gas survey companies worldwide

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Oil and gas survey companies worldwide at a glance

As of Nov 4, 2026

21.2%Verified-email coverage

21.2Average contacts per company

11-50Median size (employees)

1.9%Largest-city concentration · Houston

Nov 4, 2026Page data refreshed

Companies by employee count

1-10

4,967

11-50

3,400

51-200

1,308

201-500

348

501-1,000

101

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 oil and gas survey companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas survey companies” 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 46,650 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 4, 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.

Oil and gas survey companies by location

50 lists · largest first

Every Oil and gas survey 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 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 “oil and gas survey companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas survey companies are there worldwide?

RevenueBase identified 10,384 company matches for oil and gas survey companies 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?

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

Which country has the most oil and gas survey companies?

The United States leads with 2,201 companies, followed by Brazil (622) and the United Kingdom (527). Every oil and gas survey companies list by country and city is linked on this page.

Which city has the most oil and gas survey companies?

Houston leads with 194 company records, followed by Calgary (131) and Port Harcourt (81).

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 46,650 professional contacts with verified work emails tracked across these 10,384 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 4, 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.