Company lists · Data refreshed October 2026

Top 25 Oil refinery construction services worldwide

Name: Oil refinery construction services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 14,295 companies tracked

RevenueBase identified 14,295 company matches for oil refinery construction services worldwide as of October 2026 and tracks 965,879 professional contacts across them, including 153,386 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for oil refinery construction 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 refinery construction 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

14,295Companies

965,879Contacts tracked

153,386Verified emails

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The 25 largest oil refinery construction services worldwide

Ranked by team size

Top 25 of 14,295 company matches for oil refinery construction 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	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
4	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
5	Orascom Construction PLC	Exact match	Cairo, EgyptHQ recorded Oct 28, 2026	10001+	13,992 contacts →
	Exact match “Orascom Construction PLC is a leading global engineering and construction contractor primarily focused on infrastructure, industrial and high-end commercial projects in the Middle…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Tata Projects	Exact match	Mumbai, IndiaHQ recorded Oct 28, 2026	1,001-5,000	13,979 contacts →
	Exact match “Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	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
8	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
9	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
10	Turner Industries	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 28, 2026	10001+	8,282 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 · Oct 28, 2026 · View company records in RevenueBase
11	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
12	Nmdc Energy	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 28, 2026	10001+	7,167 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 · Oct 28, 2026 · View company records in RevenueBase
13	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
14	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Oct 28, 2026	1,001-5,000	6,682 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	Petrojet	Exact match	Cairo, EgyptHQ recorded Oct 28, 2026	10001+	6,598 contacts →
	Exact match “The Petroleum Projects and Technical Consultations Company PETROJET is the largest state-owned joint-stock company in the Egyptian construction market established in 1975 as one…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	L&t Construction	Exact match	Chennai, IndiaHQ recorded Oct 28, 2026	10001+	6,494 contacts →
	Exact match “L&T Construction, the construction arm of L&T, is India’s largest construction organization and among the top global contractors offering EPC solutions with single-source…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	Kalpataru Projects International Limited	Exact match	Mumbai, IndiaHQ recorded Oct 28, 2026	5,001-10,000	6,084 contacts →
	Exact match “THE WORLD'S LOCAL EPC PARTNER Kalpataru Projects International Limited (KPIL), part of the Kalpataru Group, is a leading global engineering and construction company with a…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	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
19	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
20	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
21	Isgec Heavy Engineering LTD	Exact match	Noida, IndiaHQ recorded Oct 28, 2026	5,001-10,000	4,842 contacts →
	Exact match “With over 5,500 employees across India and overseas, Isgec is driven by the challenge of delivering state-of-the-art, sustainable, and sensible engineering solutions to a growing…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Target Engineering Construction CO LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 28, 2026	5,001-10,000	4,647 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 · Oct 28, 2026 · View company records in RevenueBase
23	Galfar Engineering & Contracting Saog	Exact match	Muscat, OmanHQ recorded Oct 28, 2026	10001+	4,138 contacts →
	Exact match “Galfar Engineering & Contracting SAOG is one of the largest, multi-disciplined engineering, contracting and construction company in the Sultanate of Oman.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	EXYTE	Exact match	Stuttgart, GermanyHQ recorded Oct 28, 2026	10001+	3,837 contacts →
	Exact match “As an engineering, procurement, and construction (EPC) company, we design and deliver high-tech facilities for our clients.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Archirodon Group N.V	Exact match	Dordrecht, NetherlandsHQ recorded Oct 28, 2026	10001+	3,797 contacts →
	Exact match “We are leading EPC players, active in 4 continents and counting on average more than employees.” 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 refinery construction 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 14,295 oil refinery construction services worldwide

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Oil refinery construction services worldwide at a glance

As of Oct 28, 2026

15.9%Verified-email coverage

67.6Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · Tehran

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

3,127

11-50

4,762

51-200

3,315

201-500

1,481

501-1,000

715

1,001-5,000

631

5,001-10,000

115

10001+

109

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 refinery construction services are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil refinery construction 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 153,386 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 refinery construction services by location

91 lists · largest first

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

How many oil refinery construction services are there worldwide?

RevenueBase identified 14,295 company matches for oil refinery construction 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 refinery construction services?

The United States leads with 1,534 companies, followed by India (1,435) and Nigeria (596). Every oil refinery construction services list by country and city is linked on this page.

Which city has the most oil refinery construction services?

Tehran leads with 408 company records, followed by Houston (191) and Abu Dhabi (150).

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 153,386 professional contacts with verified work emails tracked across these 14,295 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.