Company lists · Data refreshed November 2026

Top 25 Process equipment installation contractors worldwide

Name: Process equipment installation contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,709 companies tracked

RevenueBase identified 14,709 company matches for process equipment installation contractors worldwide as of November 2026 and tracks 291,137 professional contacts across them, including 63,635 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers company matches for process equipment installation 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 6, 2026. Country and city lists for process equipment installation 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 6, 2026 How this list was built

14,709Companies

291,137Contacts tracked

63,635Verified emails

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The 25 largest process equipment installation contractors worldwide

Ranked by team size

Top 25 of 14,709 company matches for process equipment installation contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
2	Descon Engineering Limited	Exact match	PakistanHQ recorded Nov 6, 2026	n/a	6,559 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	UTC Engenharia	Exact match	São Paulo, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
4	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,955 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 · Nov 6, 2026 · View company records in RevenueBase
5	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,633 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 · Nov 6, 2026 · View company records in RevenueBase
6	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,431 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 · Nov 6, 2026 · View company records in RevenueBase
7	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,075 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 · Nov 6, 2026 · View company records in RevenueBase
8	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Nov 6, 2026	5,001-10,000	1,953 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 · Nov 6, 2026 · View company records in RevenueBase
9	PT Timas Suplindo	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	1,912 contacts →
	Exact match “Founded in 1989 as a fabricator and erector of mechanical equipment company, Timas has now transformed and established as one of Indonesian leading onshore & offshore EPCIC…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Audubon Companies	Exact match	Houston, LA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,699 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 · Nov 6, 2026 · View company records in RevenueBase
11	Sendan International Company	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,573 contacts →
	Exact match “Founded in 1994, Sendan has rapidly grown from a modest contractor to a reputable General Contractor for Plant Construction and Maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Comfort Systems USA	Exact match	Houston, IN, United StatesHQ recorded Nov 6, 2026	10001+	1,407 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Dornan	Exact match	Cork, IrelandHQ recorded Nov 6, 2026	501-1,000	1,312 contacts →
	Exact match “Dornan Engineering concentrates on a market where quality is appreciated.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Alfa Engenharia E Montagens Industriais	Exact match	Itaúna, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,239 contacts →
	Exact match “A Alfa Engenharia é uma empresa com 35 anos de mercado, especializada em fabricação de estruturas metálicas, caldeirarias e equipamentos industriais, além de contar com a unidade…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,209 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	GAS Arabian Services	Exact match	Dammam, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,197 contacts →
	Exact match “GAS Arabian Services offers comprehensive answers to the many operational challenges faced by the oil & gas, petrochemical, electrical, steel, water & desalination, and mining…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Mckenney's, INC	Exact match	Atlanta, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,143 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Harris	Exact match	St. Paul, ID, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,055 contacts →
	Exact match “Harris is a leading national mechanical contractor specializing in design and engineering, construction, controls, service, manufacturing, conveyors and end-to-end building…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Cmta, INC	Exact match	Louisville, TN, United StatesHQ recorded Nov 6, 2026	501-1,000	1,049 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	MKS Soluções Integradas S.A	Exact match	Camaçari, BrazilHQ recorded Nov 6, 2026	501-1,000	1,049 contacts →
	Exact match “No mercado desde 1994, somos uma empresa que oferece soluções integradas de engenharia nas áreas de manutenção, construção e montagem eletromecânica e serviços especializados de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Novus Bolashak	Exact match	Atyrau, KazakhstanHQ recorded Nov 6, 2026	1,001-5,000	952 contacts →
	Exact match “Novus Bolashak are a Full Service Systems Completion & Long Term Maintenance & Operations Contractor, including Procurement, Sub-contracting, Punch Identification & Clearing, Pre…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Starcon International, INC	Exact match	La Porte, KY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	943 contacts →
	Exact match “Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	BK Gulf LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	5,001-10,000	861 contacts →
	Exact match “Established in 1978, BK Gulf LLC is a leading contractor in electrical, mechanical, instrumentation and building services within the UAE & Middle East market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Planova Planejamento E Construções S A	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	785 contacts →
	Exact match “A PLANOVA Planejamento e Construções S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Infa S.A	Exact match	Puerto Madryn, ArgentinaHQ recorded Nov 6, 2026	1,001-5,000	778 contacts →
	Exact match “Engineering and Construction Mining Industry, Aluminium Smelters Process Industry Infa es una empresa industrial, dedicada a la Ingeniería, Construcción y Montajes Industriales…” Recorded in the RevenueBase company graph · Nov 6, 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 “process equipment installation 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 14,709 process equipment installation contractors worldwide

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Process equipment installation contractors worldwide at a glance

As of Nov 6, 2026

21.9%Verified-email coverage

19.8Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · Istanbul

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,189

11-50

5,900

51-200

3,124

201-500

840

501-1,000

289

1,001-5,000

163

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 process equipment installation contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “process equipment installation 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 63,635 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 6, 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.

Process equipment installation contractors by location

52 lists · largest first

Every Process equipment installation 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 “process equipment installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many process equipment installation contractors are there worldwide?

RevenueBase identified 14,709 company matches for process equipment installation 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?

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

Which country has the most process equipment installation contractors?

The United States leads with 2,566 companies, followed by Brazil (1,180) and Italy (876). Every process equipment installation contractors list by country and city is linked on this page.

Which city has the most process equipment installation contractors?

Istanbul leads with 103 company records, followed by Sao Paulo (91) and Pune (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 63,635 professional contacts with verified work emails tracked across these 14,709 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 6, 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.