Company lists · Data refreshed November 2026

Top 25 Oil and gas facility contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 4, 2026 15,402 companies tracked

RevenueBase identified 15,402 company matches for oil and gas facility contractors worldwide as of November 2026 and tracks 820,143 professional contacts across them, including 127,085 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for oil and gas facility contractors 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 facility contractors 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

15,402Companies

820,143Contacts tracked

127,085Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest oil and gas facility contractors worldwide

Ranked by team size

Top 25 of 15,402 company matches for oil and gas facility contractors 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	Saipem	Exact match	Milan, ItalyHQ recorded Nov 4, 2026	10001+	36,899 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 · Nov 4, 2026 · View company records in RevenueBase
2	Petrofac	Exact match	London, United KingdomHQ recorded Nov 4, 2026	5,001-10,000	13,144 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 · Nov 4, 2026 · View company records in RevenueBase
3	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Nov 4, 2026	10001+	11,748 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 · Nov 4, 2026 · View company records in RevenueBase
4	Techint Engineering & Construction	Exact match	Ciudad De Buenos Aires, MexicoHQ recorded Nov 4, 2026	10001+	10,642 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 · Nov 4, 2026 · View company records in RevenueBase
5	Turner Industries	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 4, 2026	10001+	8,559 contacts →
	Exact match “Turner Industries provides a single solution in heavy industrial construction, maintenance, turnaround, pipe and module fabrication, equipment, rigging and specialized…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Nov 4, 2026	5,001-10,000	7,517 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 · Nov 4, 2026 · View company records in RevenueBase
7	Nmdc Energy	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 4, 2026	10001+	7,360 contacts →
	Exact match “Established in 1973, NMDC Energy (formerly NPCC) is a leading EPC company working in the energy sector.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Nov 4, 2026	10001+	7,226 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 · Nov 4, 2026 · View company records in RevenueBase
9	GS E&c	Exact match	Seoul, South KoreaHQ recorded Nov 4, 2026	5,001-10,000	6,556 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 · Nov 4, 2026 · View company records in RevenueBase
10	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Nov 4, 2026	5,001-10,000	6,498 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 · Nov 4, 2026 · View company records in RevenueBase
11	Nesma & Partners	Exact match	Khobar, Saudi ArabiaHQ recorded Nov 4, 2026	10001+	6,004 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 · Nov 4, 2026 · View company records in RevenueBase
12	Bonatti	Exact match	Parma, United StatesHQ recorded Nov 4, 2026	5,001-10,000	5,460 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 · Nov 4, 2026 · View company records in RevenueBase
13	Aesa A-Evangelista SA	Exact match	Canning, IndiaHQ recorded Nov 4, 2026	5,001-10,000	5,428 contacts →
	Exact match “Since 1948 we specialize in projects for the energy industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14	Kharafi National	Exact match	3rd Settlement, EgyptHQ recorded Nov 4, 2026	5,001-10,000	4,922 contacts →
	Exact match “A Leading Integrated Construction, Facilities Management and Fabrication services developer in Power & Energy, Water, Waste-Water treatment and reclamation, Infrastructure…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15	Target Engineering Construction CO LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 4, 2026	5,001-10,000	4,857 contacts →
	Exact match “Target Engineering Construction Company was established in 1975 and operates through its specialized divisions – Power, Oil and Gas Division and Civil & Marine Division.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16	STORK	Exact match	Utrecht, NetherlandsHQ recorded Nov 4, 2026	10001+	4,163 contacts →
	Exact match “Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Nov 4, 2026	10001+	4,135 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18	UTC Engenharia	Exact match	São Paulo, BrazilHQ recorded Nov 4, 2026	10001+	3,894 contacts →
	Exact match “The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19	S&b	Exact match	Houston, LA, United StatesHQ recorded Nov 4, 2026	5,001-10,000	3,819 contacts →
	Exact match “S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Nov 4, 2026	10001+	3,602 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 · Nov 4, 2026 · View company records in RevenueBase
21	Altrad	Exact match	Montpellier, FranceHQ recorded Nov 4, 2026	10001+	3,588 contacts →
	Exact match “ALTRAD AT A GLANCE Altrad is a world leader in the provision of industrial services, generating high-added value solutions principally for the Energy, Power Generation, Oil & Gas…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22	Nbtc Group	Exact match	Shuaiba Industrial, KuwaitHQ recorded Nov 4, 2026	10001+	3,553 contacts →
	Exact match “Being established in 1977, NBTC had flourished its self as a leading EPC contracting company through a combination of highly empowered attributes via entrepreneurial leadership…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23	ENPPI	Exact match	Nasr City 1, United StatesHQ recorded Nov 4, 2026	1,001-5,000	3,542 contacts →
	Exact match “Enppi is globally recognized as a major engineering, EPC main contractor, and management contractor, with decades of experience in onshore and offshore projects in the oil and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24	Murphy	Exact match	London, United KingdomHQ recorded Nov 4, 2026	1,001-5,000	3,366 contacts →
	Exact match “Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25	Expertise	Exact match	Al Jubail, Saudi ArabiaHQ recorded Nov 4, 2026	10001+	3,127 contacts →
	Exact match “Established in 2008 and headquartered in Al Jubail with operational offices across the kingdom, Expertise Company Ltd.” 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 facility contractors”. 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 15,402 oil and gas facility contractors worldwide

See the full list, filter by size, metro and specialty, and access 127,085 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Oil and gas facility contractors worldwide at a glance

As of Nov 4, 2026

15.5%Verified-email coverage

53.2Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Tehran

Nov 4, 2026Page data refreshed

Companies by employee count

1-10

3,219

11-50

5,313

51-200

3,654

201-500

1,569

501-1,000

679

1,001-5,000

627

5,001-10,000

120

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 facility contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas facility contractors” 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 127,085 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 facility contractors by location

77 lists · largest first

Every Oil and gas facility contractors 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 facility contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas facility contractors are there worldwide?

RevenueBase identified 15,402 company matches for oil and gas facility contractors 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?

Saipem 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 facility contractors?

The United States leads with 2,419 companies, followed by Brazil (758) and Nigeria (753). Every oil and gas facility contractors list by country and city is linked on this page.

Which city has the most oil and gas facility contractors?

Tehran leads with 237 company records, followed by Port Harcourt (219) and Houston (211).

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 127,085 professional contacts with verified work emails tracked across these 15,402 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.

Ready to reach these companies? Verified emails and direct dials for all 15,402 oil and gas facility contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.