Company lists · Data refreshed October 2026

Top 25 Mechanical contractors for oil and gas worldwide

Name: Mechanical contractors for oil and gas worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 19,214 companies tracked

RevenueBase identified 19,214 company matches for mechanical contractors for oil and gas worldwide as of October 2026 and tracks 566,438 professional contacts across them, including 108,286 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for mechanical contractors for oil and gas 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 18, 2026. Country and city lists for mechanical contractors for oil and gas 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 18, 2026 How this list was built

19,214Companies

566,438Contacts tracked

108,286Verified emails

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The 25 largest mechanical contractors for oil and gas worldwide

Ranked by team size

Top 25 of 19,214 company matches for mechanical contractors for oil and gas worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 18, 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 18, 2026 · View company records in RevenueBase
2	Turner Industries	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
3	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
4	Bonatti	Exact match	Parma, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
5	Aesa A-Evangelista SA	Exact match	Canning, IndiaHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
6	Team, INC	Exact match	Sugar Land, TX, United StatesHQ recorded Oct 18, 2026	5,001-10,000	3,530 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Oct 18, 2026	10001+	3,504 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 · Oct 18, 2026 · View company records in RevenueBase
8	ENPPI	Exact match	Nasr City 1, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
9	Expertise	Exact match	Al Jubail, Saudi ArabiaHQ recorded Oct 18, 2026	10001+	2,939 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 · Oct 18, 2026 · View company records in RevenueBase
10	Performance Contractors	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
11	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
12	Grupo Enesa - Main Page	Exact match	Sao Paulo, BrazilHQ recorded Oct 18, 2026	1,001-5,000	2,733 contacts →
	Exact match “ENESA Engenharia is a company based on reliability, commitment, ethical standards and important knowledge in constructive engineering solutions, becoming a reference in…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Oct 18, 2026	5,001-10,000	2,573 contacts →
	Exact match “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Grupo NPE	Exact match	Sao Paulo, BrazilHQ recorded Oct 18, 2026	5,001-10,000	2,548 contacts →
	Exact match “O Grupo NPE é composto por empresas que oferecem soluções integradas para as necessidades da indústria: NPE Service, NPE Industrial, NPE Locação, NPE Facilities, NPE Construções e…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Bird Construction	Exact match	Mississauga, ON, CanadaHQ recorded Oct 18, 2026	5,001-10,000	2,497 contacts →
	Exact match “Bird is a Canadian construction and maintenance company providing a comprehensive scope offering and a diversified portfolio of services to industrial, infrastructure and…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Michels Corporation	Exact match	Brownsville, WI, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
17	Qatar Engineering & Construction Company W.L.L	Exact match	Ras Laffan Industrial City (rlic), QatarHQ recorded Oct 18, 2026	5,001-10,000	2,397 contacts →
	Exact match “Qatar Engineering & Construction Company (Qcon) is the leading National EPC & Maintenance Contractor in the Oil & Gas, Petrochemical, Fertilizer and Power industries.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
19	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Oct 18, 2026	1,001-5,000	2,247 contacts →
	Exact match “Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	Special Technical Services L.L.C., Oman STS	Exact match	Muscat, OmanHQ recorded Oct 18, 2026	10001+	2,113 contacts →
	Exact match “STS Group, headquartered in The Sultanate of Oman, is a leading multidisciplinary contracting group specializing in Construction, Fabrication and Maintenance services for the…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	ELFE	Exact match	Macaé, BrazilHQ recorded Oct 18, 2026	1,001-5,000	2,006 contacts →
	Exact match “No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
23	Quanta Services, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 18, 2026	10001+	1,901 contacts →
	Exact match “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
25	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Oct 18, 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 18, 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 “mechanical contractors for oil and gas”. 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 19,214 mechanical contractors for oil and gas worldwide

See the full list, filter by size, metro and specialty, and access 108,286 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mechanical contractors for oil and gas worldwide at a glance

As of Oct 18, 2026

19.1%Verified-email coverage

29.5Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Houston

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

4,745

11-50

7,224

51-200

4,456

201-500

1,550

501-1,000

594

1,001-5,000

455

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 mechanical contractors for oil and gas are linked below.
What qualifies: Company records worldwide whose business descriptions match “mechanical contractors for oil and gas” 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 108,286 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 18, 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.

Mechanical contractors for oil and gas by location

72 lists · largest first

Every Mechanical contractors for oil and gas 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 “mechanical contractors for oil and gas”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mechanical contractors for oil and gas are there worldwide?

RevenueBase identified 19,214 company matches for mechanical contractors for oil and gas 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 mechanical contractors for oil and gas?

The United States leads with 5,221 companies, followed by Canada (1,273) and Brazil (808). Every mechanical contractors for oil and gas list by country and city is linked on this page.

Which city has the most mechanical contractors for oil and gas?

Houston leads with 258 company records, followed by Abu Dhabi (170) and Tehran (161).

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 108,286 professional contacts with verified work emails tracked across these 19,214 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 18, 2026.

Ready to reach these companies? Verified emails and direct dials for all 19,214 mechanical contractors for oil and gas worldwide. Start with a free account, no credit card.

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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.