Company lists · Data refreshed October 2026

Top 25 Chemical plant construction contractors worldwide

Name: Chemical plant construction contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 8,035 companies tracked

RevenueBase identified 8,035 company matches for chemical plant construction contractors worldwide as of October 2026 and tracks 358,791 professional contacts across them, including 59,015 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for chemical plant construction 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 9, 2026. Country and city lists for chemical plant construction 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 9, 2026 How this list was built

8,035Companies

358,791Contacts tracked

59,015Verified emails

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The 25 largest chemical plant construction contractors worldwide

Ranked by team size

Top 25 of 8,035 company matches for chemical plant construction contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 9, 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 9, 2026 · View company records in RevenueBase
2	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
3	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
4	Petrojet	Exact match	Cairo, EgyptHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
5	Bilfinger	Exact match	Mannheim, GermanyHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
6	S&b	Exact match	Houston, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
7	Julius Berger Nigeria PLC	Exact match	Utako, NigeriaHQ recorded Oct 9, 2026	10001+	3,467 contacts →
	Exact match “Julius Berger Nigeria Plc is a leading construction company offering integrated construction solutions and related services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Performance Contractors	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
9	Toyo Engineering Corporation	Exact match	Chiba-shi Mihama-ku, JapanHQ recorded Oct 9, 2026	1,001-5,000	2,841 contacts →
	Exact match “Toyo Engineering is an engineering company that constructs the plant in a global stage centering on the plant engineering field.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
11	Mercury	Exact match	Dublin, IrelandHQ recorded Oct 9, 2026	1,001-5,000	2,512 contacts →
	Exact match “Mercury is the European leader in construction solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	The Haskell Company	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 9, 2026	1,001-5,000	2,390 contacts →
	Exact match “Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Oct 9, 2026	1,001-5,000	2,354 contacts →
	Exact match “Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	CTCI	Exact match	Taipei City, TaiwanHQ recorded Oct 9, 2026	5,001-10,000	2,161 contacts →
	Exact match “CTCI (TWSE: 9933, TPEx: 5209, TPEx: 6803) is a global engineering, procurement, and construction (EPC) services provider.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Enter Engineering Group	Exact match	Tashkent, UzbekistanHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
16	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
17	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Oct 9, 2026	5,001-10,000	1,900 contacts →
	Exact match “The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Oct 9, 2026	5,001-10,000	1,887 contacts →
	Exact match “AYTB had recognized the Saudi Dream 45 years ago when the Royal Commission for Jubail and Yanbu was set up with a vision to build a huge petrochemical industry to catapult Saudi…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Hargrove Engineers & Constructors	Exact match	Mobile, AL, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,881 contacts →
	Exact match “Hargrove is a full-service engineering, procurement, and construction management firm delivering multi-discipline engineering, project delivery, controls & automation, and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Austin Industrial, INC	Exact match	La Porte, TX, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,719 contacts →
	Exact match “Austin Industrial delivers premier maintenance, construction, and soft craft services to the nation’s leading producers of oil, gas & chemicals; energy; and manufactured goods.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Robtstone ME LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 9, 2026	1,001-5,000	1,695 contacts →
	Exact match “At Robt.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Audubon Companies	Exact match	Houston, TX, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,652 contacts →
	Exact match “Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Chiyoda Corporation	Exact match	Yokohama, JapanHQ recorded Oct 9, 2026	5,001-10,000	1,632 contacts →
	Exact match “Since its establishment in 1948, Chiyoda's business field has covered the energy sector such as oil and gas industry including energy conservation, and chemicals, environment…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Arabian Pipeline & Services Co. Ltd. Anabeeb	Exact match	Dammam, Saudi ArabiaHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
25	RENCO	Exact match	Pesaro, ItalyHQ recorded Oct 9, 2026	1,001-5,000	1,534 contacts →
	Exact match “Renco S.p.A, an Italian company founded in 1979, is continually committed to providing its Clients with sound business solutions in an ever increasingly complex and challenging…” Recorded in the RevenueBase company graph · Oct 9, 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 “chemical plant construction 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 8,035 chemical plant construction contractors worldwide

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Chemical plant construction contractors worldwide at a glance

As of Oct 9, 2026

16.4%Verified-email coverage

44.7Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · Tehran

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

1,914

11-50

2,747

51-200

1,887

201-500

773

501-1,000

314

1,001-5,000

278

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 chemical plant construction contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “chemical plant construction 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 59,015 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 9, 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.

Chemical plant construction contractors by location

39 lists · largest first

Every Chemical plant construction 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 “chemical plant construction contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many chemical plant construction contractors are there worldwide?

RevenueBase identified 8,035 company matches for chemical plant construction 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 chemical plant construction contractors?

The United States leads with 1,101 companies, followed by India (864) and Italy (526). Every chemical plant construction contractors list by country and city is linked on this page.

Which city has the most chemical plant construction contractors?

Tehran leads with 199 company records, followed by Houston (102) and Mumbai (77).

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 59,015 professional contacts with verified work emails tracked across these 8,035 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 9, 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.