Company lists · Data refreshed October 2026

Top 25 Oil, gas & petroleum engineering services worldwide

Name: Oil, gas & petroleum engineering services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 36,399 companies tracked

RevenueBase identified 36,399 company matches for oil, gas & petroleum engineering services worldwide as of October 2026 and tracks 1,390,866 professional contacts across them, including 272,659 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil, gas & petroleum engineering 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 October 28, 2026. Country and city lists for oil, gas & petroleum engineering 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 Oct 28, 2026 How this list was built

36,399Companies

1,390,866Contacts tracked

272,659Verified emails

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The 25 largest oil, gas & petroleum engineering services worldwide

Ranked by team size

Top 25 of 36,399 company matches for oil, gas & petroleum engineering services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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	Saipem	Exact match	Milan, ItalyHQ recorded Oct 28, 2026	10001+	35,555 contacts →
	Exact match “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Fluor Corporation	Exact match	Irving, TX, United StatesHQ recorded Oct 28, 2026	10001+	35,091 contacts →
	Exact match “Fluor Corporation is a global engineering, procurement and construction company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Worley	Exact match	Sydney, AustraliaHQ recorded Oct 28, 2026	10001+	35,018 contacts →
	Exact match “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Oct 28, 2026	10001+	28,458 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Oct 28, 2026	10001+	24,297 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	21,087 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	WOOD	Exact match	Aberdeen, United KingdomHQ recorded Oct 28, 2026	10001+	16,351 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 · Oct 28, 2026 · View company records in RevenueBase
8	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Oct 28, 2026	10001+	16,152 contacts →
	Exact match “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Technip Former Company	Exact match	United KingdomHQ recorded Oct 28, 2026	10001+	11,864 contacts →
	Exact match “Technip is a former company that was separated into two independent companies: TechnipFMC and Technip Energies, which now operate with no capital ties.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Petrofac	Exact match	London, United KingdomHQ recorded Oct 28, 2026	5,001-10,000	11,863 contacts →
	Exact match “We are a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Oct 28, 2026	10001+	11,378 contacts →
	Exact match “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	Techint Engineering & Construction	Exact match	Ciudad De Buenos Aires, MexicoHQ recorded Oct 28, 2026	10001+	10,370 contacts →
	Exact match “Techint Engineering & Construction provides project management, engineering, procurement and construction services on a global basis for large-scale projects in the Oil & Gas…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Atkins	Exact match	Epsom, United KingdomHQ recorded Oct 28, 2026	10001+	9,147 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Oct 28, 2026	5,001-10,000	8,533 contacts →
	Exact match “Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 28, 2026	10001+	7,369 contacts →
	Exact match “We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Oct 28, 2026	5,001-10,000	7,325 contacts →
	Exact match “SAMSUNG E&A is one of the world’s leading engineering, procurement, construction and project management (EPC & PM) companies.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Oct 28, 2026	10001+	7,053 contacts →
	Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Oct 28, 2026	5,001-10,000	6,375 contacts →
	Exact match “With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Nesma & Partners	Exact match	Khobar, Saudi ArabiaHQ recorded Oct 28, 2026	10001+	5,837 contacts →
	Exact match “Nesma & Partners group is the leading provider of integrated project solutions in the Kingdom of Saudi Arabia.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	GS E&c	Exact match	Seoul, South KoreaHQ recorded Oct 28, 2026	5,001-10,000	5,758 contacts →
	Exact match “GS E&C is Korea`s representative global contractor leveraging its experience in Civil Engineering, Building, Oil & Gas, Power Plants and Renewable Energy to continually provide…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Monadelphous	Exact match	Perth, AustraliaHQ recorded Oct 28, 2026	5,001-10,000	5,398 contacts →
	Exact match “Monadelphous is a leading Australian ASX-200 engineering group providing construction, maintenance and industrial services to the resources, energy and infrastructure sectors.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Bonatti	Exact match	Parma, United StatesHQ recorded Oct 28, 2026	5,001-10,000	5,233 contacts →
	Exact match “Bonatti is an International Contractor providing services to energy industry with over 75 years of experience.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Aesa A-Evangelista SA	Exact match	Canning, IndiaHQ recorded Oct 28, 2026	5,001-10,000	5,219 contacts →
	Exact match “Since 1948 we specialize in projects for the energy industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Seatrium	Exact match	United StatesHQ recorded Oct 28, 2026	10001+	4,979 contacts →
	Exact match “A Premier Global Player with Deep Engineering Expertise in the offshore, marine and energy industries Engineering our Future Together.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Bilfinger	Exact match	Mannheim, GermanyHQ recorded Oct 28, 2026	10001+	4,268 contacts →
	Exact match “Bilfinger is an international industrial services provider with a vision to be the No.” Recorded in the RevenueBase company graph · Oct 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 “oil, gas & petroleum engineering 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 36,399 oil, gas & petroleum engineering services worldwide

See the full list, filter by size, metro and specialty, and access 272,659 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil, gas & petroleum engineering services worldwide at a glance

As of Oct 28, 2026

19.6%Verified-email coverage

38.2Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Houston

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

14,144

11-50

12,383

51-200

6,015

201-500

2,069

501-1,000

804

1,001-5,000

668

5,001-10,000

106

10001+

105

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, gas & petroleum engineering services are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil, gas & petroleum engineering 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 272,659 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 October 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.

Oil, gas & petroleum engineering services by location

173 lists · largest first

Every Oil, gas & petroleum engineering 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 “oil, gas & petroleum engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil, gas & petroleum engineering services are there worldwide?

RevenueBase identified 36,399 company matches for oil, gas & petroleum engineering services worldwide as of October 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?

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

Which country has the most oil, gas & petroleum engineering services?

The United States leads with 3,692 companies, followed by Brazil (2,461) and India (1,974). Every oil, gas & petroleum engineering services list by country and city is linked on this page.

Which city has the most oil, gas & petroleum engineering services?

Houston leads with 594 company records, followed by Tehran (590) and Calgary (407).

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 272,659 professional contacts with verified work emails tracked across these 36,399 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 October 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.