Company lists · Data refreshed November 2026

Top 25 Process equipment maintenance contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 12,689 companies tracked

RevenueBase identified 12,689 company matches for process equipment maintenance contractors worldwide as of November 2026 and tracks 172,023 professional contacts across them, including 28,957 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for process equipment maintenance 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 maintenance 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

12,689Companies

172,023Contacts tracked

28,957Verified emails

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The 25 largest process equipment maintenance contractors worldwide

Ranked by team size

Top 25 of 12,689 company matches for process equipment maintenance 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	GMF Aeroasia	Exact match	Tangerang, IndonesiaHQ recorded Nov 6, 2026	5,001-10,000	5,090 contacts →
	Exact match “PT Garuda Maintenance Facility Aero Asia Tbk ("GMF","ticker code: GMFI") is a company engaged in the maintenance, repair, and overhaul of aircraft and industrial services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Engeman	Exact match	Recife, BrazilHQ recorded Nov 6, 2026	5,001-10,000	3,210 contacts →
	Exact match “Fundada em 1983, a Engeman atua com excelência no desenvolvimento de soluções para os diversos setores da indústria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,329 contacts →
	Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	ELFE	Exact match	Macaé, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,045 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 · Nov 6, 2026 · View company records in RevenueBase
6	Dietsmann	Exact match	Fontvieille, MonacoHQ recorded Nov 6, 2026	5,001-10,000	2,035 contacts →
	Exact match “Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Confipetrol S.A	Exact match	Bogotá, ColombiaHQ recorded Nov 6, 2026	1,001-5,000	1,757 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Hobart Food Equipment And Service	Exact match	Troy, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,611 contacts →
	Exact match “While running a business you constantly have a million things going on in your operation every day and any one of them can go wrong without notice.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Bilfinger North America	Exact match	The Woodlands, LA, United StatesHQ recorded Nov 6, 2026	10001+	1,468 contacts →
	Exact match “As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	1,418 contacts →
	Exact match “Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Álamo Engenharia SA	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,292 contacts →
	Exact match “A Álamo é uma empresa de engenharia de manutenção predial e industrial, com 1.500 funcionários, atendendo em todo o Brasil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Amerit Fleet Solutions	Exact match	Walnut Creek, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,219 contacts →
	Exact match “At Amerit, we have built our reputation of being the country’s most dependable, trustworthy and hard-working partner through our singular focus on doing one thing, and doing it…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	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
15	Quant Service	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	1,001-5,000	980 contacts →
	Exact match “We are Quant – your maintenance partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	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
18	Terrabel	Exact match	Contagem, BrazilHQ recorded Nov 6, 2026	1,001-5,000	820 contacts →
	Exact match “Fundada em Belo Horizonte nos anos 70, atualmente instalada em amplas dependências na cidade de Contagem, a TERRABEL dispõe de uma equipe de engenheiros, técnicos, mecânicos…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Emco Qatar	Exact match	Doha, QatarHQ recorded Nov 6, 2026	1,001-5,000	755 contacts →
	Exact match “In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Hydrochempsc	Exact match	Deer Park, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	739 contacts →
	Exact match “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Wyatt Field Service Company	Exact match	Houston, LA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	736 contacts →
	Exact match “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	USA Debusk	Exact match	Deer Park, LA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	728 contacts →
	Exact match “USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Data Engenharia	Exact match	Sarzedo, BrazilHQ recorded Nov 6, 2026	501-1,000	718 contacts →
	Exact match “The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Sindus Andritz	Exact match	Porto Alegre, BrazilHQ recorded Nov 6, 2026	1,001-5,000	692 contacts →
	Exact match “A Sindus ANDRITZ é uma empresa do Grupo ANDRITZ, onde atuam equipes das divisões Maintenance & Performance, ANDRITZ Automation e Metris Technology, além do suporte a outras…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Scania Industrial Maintenance AB	Exact match	Södertälje, SwedenHQ recorded Nov 6, 2026	501-1,000	650 contacts →
	Exact match “Scania Industrial Maintenance support Scania in Sweden with technical services.” 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 maintenance 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 12,689 process equipment maintenance contractors worldwide

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Process equipment maintenance contractors worldwide at a glance

As of Nov 6, 2026

16.8%Verified-email coverage

13.6Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,505

11-50

4,688

51-200

1,678

201-500

377

501-1,000

111

1,001-5,000

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 maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “process equipment maintenance 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 28,957 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 maintenance contractors by location

40 lists · largest first

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

How many process equipment maintenance contractors are there worldwide?

RevenueBase identified 12,689 company matches for process equipment maintenance 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?

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

Which country has the most process equipment maintenance contractors?

The United States leads with 2,065 companies, followed by Brazil (1,763) and France (563). Every process equipment maintenance contractors list by country and city is linked on this page.

Which city has the most process equipment maintenance contractors?

Sao Paulo leads with 166 company records, followed by Dubai (124) and Houston (81).

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 28,957 professional contacts with verified work emails tracked across these 12,689 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.