Company lists · Data refreshed October 2026

Top 25 Refinery civil contractors worldwide

Name: Refinery civil contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 9,567 companies tracked

RevenueBase identified 9,567 company matches for refinery civil contractors worldwide as of October 2026 and tracks 334,331 professional contacts across them, including 50,074 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for refinery civil 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 October 22, 2026. Country and city lists for refinery civil 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 Oct 22, 2026 How this list was built

9,567Companies

334,331Contacts tracked

50,074Verified emails

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The 25 largest refinery civil contractors worldwide

Ranked by team size

Top 25 of 9,567 company matches for refinery civil contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Oct 22, 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 22, 2026 · View company records in RevenueBase
2	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Oct 22, 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 22, 2026 · View company records in RevenueBase
3	GS E&c	Exact match	Seoul, South KoreaHQ recorded Oct 22, 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 22, 2026 · View company records in RevenueBase
4	S&b	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	5,001-10,000	3,615 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 · Oct 22, 2026 · View company records in RevenueBase
5	ENPPI	Exact match	Nasr City 1, United StatesHQ recorded Oct 22, 2026	1,001-5,000	3,451 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 · Oct 22, 2026 · View company records in RevenueBase
6	Murphy	Exact match	London, United KingdomHQ recorded Oct 22, 2026	1,001-5,000	3,280 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 · Oct 22, 2026 · View company records in RevenueBase
7	Sinohydro	Exact match	Beijing, ChinaHQ recorded Oct 22, 2026	10001+	3,228 contacts →
	Exact match “http://eng.sinohydro.com/en/index.asp” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Performance Contractors	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,920 contacts →
	Exact match “We began as a merit shop general industrial contractor back in 1979.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Oct 22, 2026	1,001-5,000	2,795 contacts →
	Exact match “Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	Michels Corporation	Exact match	Brownsville, WI, United StatesHQ recorded Oct 22, 2026	10001+	2,489 contacts →
	Exact match “Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	D.M. Consunji, Inc. Dmci	Exact match	Makati City, PhilippinesHQ recorded Oct 22, 2026	5,001-10,000	2,142 contacts →
	Exact match “Founded on December 24, 1954, D.M.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	Enter Engineering Group	Exact match	Tashkent, UzbekistanHQ recorded Oct 22, 2026	10001+	2,129 contacts →
	Exact match “Enter Engineering is one of the largest EPC contractors in the Uzbek market.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 22, 2026	5,001-10,000	1,969 contacts →
	Exact match “Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Yates Construction	Exact match	Philadelphia, MS, United StatesHQ recorded Oct 22, 2026	5,001-10,000	1,831 contacts →
	Exact match “Yates Construction is part of The Yates Companies, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	ABV Rock Group	Exact match	Riyadh, Saudi ArabiaHQ recorded Oct 22, 2026	5,001-10,000	1,813 contacts →
	Exact match “ABV Rock Group is a construction contractor that operates in several interlinked sectors covering buildings and civil works, and acts as a principal and specialist contractor.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Robtstone ME LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 22, 2026	1,001-5,000	1,695 contacts →
	Exact match “At Robt.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Arabian Pipeline & Services Co. Ltd. Anabeeb	Exact match	Dammam, Saudi ArabiaHQ recorded Oct 22, 2026	5,001-10,000	1,610 contacts →
	Exact match “ANABEEB is on a mission to become the best in the industry, together with our highly-dedicated workforce and global partners, we will deliver added value to our customers without…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	Galfar Engineering & Contracting Co. W.L.L Emirates	Exact match	Musaffah, United Arab EmiratesHQ recorded Oct 22, 2026	1,001-5,000	1,412 contacts →
	Exact match “Galfar Engineering & Contracting W.L.L Emirates is a multi-discipline Engineering and Construction Company, executing major EPC projects in Oil & Gas and other sectors including…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	CCC Group, INC	Exact match	San Antonio, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,403 contacts →
	Exact match “Group, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	NPL Construction CO	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 22, 2026	5,001-10,000	1,376 contacts →
	Exact match “NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Vial Y Vives - DSD	Exact match	Santiago, ChileHQ recorded Oct 22, 2026	1,001-5,000	1,250 contacts →
	Exact match “Ingeniería y Construcción Vial y Vives SA es una empresa con mas de 30 años de experiencia en la construcción de Obras Civiles y Montaje Electromecánico.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	Al-Rushaid Construction Co. LTD Arcc	Exact match	Al Khobar, Saudi ArabiaHQ recorded Oct 22, 2026	10001+	1,244 contacts →
	Exact match “Al Rushaid Construction Co, Ltd.(ARCC) is a joint venture of Al Rushaid Petroleum Investment Company (ARPIC) and EEI Corporation from the Philippines.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	AL Jaber Engineering W.L.L	Exact match	Doha, QatarHQ recorded Oct 22, 2026	5,001-10,000	1,226 contacts →
	Exact match “AlJaber Engineering is a Leading Qatari General Contractor established in 1995, with Extensive experience and proven track records in successfully implementing turnkey projects in…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Imco Engineering & Construction CO W.L.L	Exact match	KuwaitHQ recorded Oct 22, 2026	1,001-5,000	1,130 contacts →
	Exact match “Established in 1970, IMCO started as a pioneer in the Industrial Electrical and Instrumentation Fields in Kuwait.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Medgulf Construction Co. WLL	Exact match	Doha, QatarHQ recorded Oct 22, 2026	1,001-5,000	1,129 contacts →
	Exact match “Medgulf Construction Company ( W.L.L.) is wholly owned Qatari Company established in September 1975.” Recorded in the RevenueBase company graph · Oct 22, 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 “refinery civil 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 9,567 refinery civil contractors worldwide

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Refinery civil contractors worldwide at a glance

As of Oct 22, 2026

15.0%Verified-email coverage

34.9Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Tehran

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

2,091

11-50

3,153

51-200

2,425

201-500

1,002

501-1,000

427

1,001-5,000

310

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 refinery civil contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “refinery civil 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 50,074 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 22, 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.

Refinery civil contractors by location

45 lists · largest first

Every Refinery civil 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 “refinery civil contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refinery civil contractors are there worldwide?

RevenueBase identified 9,567 company matches for refinery civil contractors 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?

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

Which country has the most refinery civil contractors?

The United States leads with 1,925 companies, followed by India (723) and Brazil (677). Every refinery civil contractors list by country and city is linked on this page.

Which city has the most refinery civil contractors?

Tehran leads with 104 company records, followed by Sao Paulo (78) and Houston (74).

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 50,074 professional contacts with verified work emails tracked across these 9,567 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 22, 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.