Company lists · Data refreshed November 2026

Top 25 Chemical facility maintenance contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,326 companies tracked

RevenueBase identified 8,326 company matches for chemical facility maintenance contractors worldwide as of November 2026 and tracks 184,293 professional contacts across them, including 33,103 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for chemical facility 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 chemical facility 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

8,326Companies

184,293Contacts tracked

33,103Verified emails

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The 25 largest chemical facility maintenance contractors worldwide

Ranked by team size

Top 25 of 8,326 company matches for chemical facility 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	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	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Nov 6, 2026	10001+	4,135 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	Brand Energy & Infrastructure Services	Exact match	Judet, United KingdomHQ recorded Nov 6, 2026	10001+	2,842 contacts →
	Exact match “Brand Energy & Infrastructure Services supports customers’ maintenance, turnaround and refurbishment needs as well as new construction, capital-driven upgrades and expansion…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	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
7	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
8	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
9	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Nov 6, 2026	5,001-10,000	2,013 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 · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Austin Industrial, INC	Exact match	La Porte, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,818 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 · Nov 6, 2026 · View company records in RevenueBase
12	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
13	Arabian Pipeline & Services Co. Ltd. Anabeeb	Exact match	Dammam, Saudi ArabiaHQ recorded Nov 6, 2026	5,001-10,000	1,671 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 · Nov 6, 2026 · View company records in RevenueBase
14	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
15	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
16	Nexxo S.A	Exact match	Concón, ChileHQ recorded Nov 6, 2026	1,001-5,000	1,405 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Safetykleen	Exact match	Brentford, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,374 contacts →
	Exact match “We are the World’s leading provider of chemical cleaning & environmental solutions offering a wide range of solutions to address the needs of our diverse customer base.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Strike	Exact match	Spring, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,228 contacts →
	Exact match “Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	Excel Group	Exact match	Baton Rouge, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,111 contacts →
	Exact match “EXCEL is a leading provider of industrial construction services, including maintenance, turnarounds, fabrication, and disaster recovery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	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
23	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
24	Repcon, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	917 contacts →
	Exact match “Repcon has earned a reputation for leading the industry in turnarounds, specialty welding, construction, pipe fabrication, and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Pt. Truba Jaga Cita	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	890 contacts →
	Exact match “PT Truba Jaga Cita is subsidiary of PT.” 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 “chemical facility 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 8,326 chemical facility maintenance contractors worldwide

See the full list, filter by size, metro and specialty, and access 33,103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Chemical facility maintenance contractors worldwide at a glance

As of Nov 6, 2026

18.0%Verified-email coverage

22.1Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,842

11-50

3,232

51-200

1,482

201-500

382

501-1,000

140

1,001-5,000

118

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 facility maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “chemical facility 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 33,103 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.

Chemical facility maintenance contractors by location

31 lists · largest first

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

How many chemical facility maintenance contractors are there worldwide?

RevenueBase identified 8,326 company matches for chemical facility 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?

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

Which country has the most chemical facility maintenance contractors?

The United States leads with 1,574 companies, followed by Brazil (1,053) and Italy (420). Every chemical facility maintenance contractors list by country and city is linked on this page.

Which city has the most chemical facility maintenance contractors?

Sao Paulo leads with 72 company records, followed by Houston (67) and Lima (46).

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 33,103 professional contacts with verified work emails tracked across these 8,326 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.