Company lists · Data refreshed October 2026

Top 25 Cleanroom cleaning & maintenance companies worldwide

Name: Cleanroom cleaning & maintenance companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 23, 2026 10,568 companies tracked

RevenueBase identified 10,568 company matches for cleanroom cleaning & maintenance companies worldwide as of October 2026 and tracks 92,253 professional contacts across them, including 9,955 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for cleanroom cleaning & maintenance companies 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 23, 2026. Country and city lists for cleanroom cleaning & maintenance companies 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 23, 2026 How this list was built

10,568Companies

92,253Contacts tracked

9,955Verified emails

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The 25 largest cleanroom cleaning & maintenance companies worldwide

Ranked by team size

Top 25 of 10,568 company matches for cleanroom cleaning & maintenance companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 23, 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	Atalian	Exact match	Vitry-sur-seine, FranceHQ recorded Oct 23, 2026	10001+	3,810 contacts →
	Exact match “ATALIAN is a major operator in Cleaning and Facility Management in France and Europe.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
2	Cleaning Services Group	Exact match	Danvers, MA, United StatesHQ recorded Oct 23, 2026	n/a	2,530 contacts →
	Exact match “Cleaning Services Group, Inc.(CSG) is a multi-faceted, national building services company dedicated to providing our clients with cost effective cleaning and maintenance solutions…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
3	ABM Janitorial Services	Exact match	Sugar Land, TX, United StatesHQ recorded Oct 23, 2026	10001+	2,328 contacts →
	Exact match “Commercial Cleaning Service That Shines There’s more to janitorial services than a mop hitting the floor.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
4	Stanley Steemer	Exact match	Dublin, OH, United StatesHQ recorded Oct 23, 2026	1,001-5,000	2,161 contacts →
	Exact match “We started with one man, a van and a vision…to be the best.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
5	Brilladora EL Diamante S.A	Exact match	Cali, ColombiaHQ recorded Oct 23, 2026	5,001-10,000	1,247 contacts →
	Exact match “Somos una compañía nacional dedicada a la prestación de Servicios Especializados de Limpieza y Mantenimiento, generamos más de 7.400 empleos directos en todo el país, con más de…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
6	Diversified Maintenance	Exact match	Tampa, FL, United StatesHQ recorded Oct 23, 2026	5,001-10,000	1,224 contacts →
	Exact match “Diversified Maintenance goes above and beyond to make sure our operational excellence and specialized cleaning and maintenance services help businesses run smoothly and seamlessly.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
7	LOS Soles Internacional S.A	Exact match	Buenos Aires, ArgentinaHQ recorded Oct 23, 2026	1,001-5,000	911 contacts →
	Exact match “Servicios de Limpieza de Alta Calidad para Empresas, Hoteles, Laboratorios, Centros de Salud y otros.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
8	Jan-Pro Of Utah	Exact match	Midvale, UT, United StatesHQ recorded Oct 23, 2026	n/a	896 contacts →
	Exact match “A Fresh Perspective on Commercial Cleaning Where It's Only Clean When Our Processes Confirm It's Clean!” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
9	Flagship Facility Services, INC	Exact match	San Jose, CA, United StatesHQ recorded Oct 23, 2026	5,001-10,000	798 contacts →
	Exact match “Flagship Facility Services is a facilities maintenance company headquartered in Southlake, Texas.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
10	Office Pride Commercial Cleaning Services	Exact match	Palm Harbor, FL, United StatesHQ recorded Oct 23, 2026	1,001-5,000	485 contacts →
	Exact match “Office Pride is recognized as one of the most advanced and admired full service commercial cleaning / janitorial companies in the commercial cleaning / building services industry.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
11	Coit Cleaning And Restoration Services	Exact match	Burlingame, CA, United StatesHQ recorded Oct 23, 2026	51-200	456 contacts →
	Exact match “Since 1950, we’ve been committed to creating cleaner homes, businesses, and lives-guaranteeing results others can’t.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
12	Whitespot	Exact match	Al Thanyah 2, United Arab EmiratesHQ recorded Oct 23, 2026	1,001-5,000	448 contacts →
	Exact match “Tailor-made cleaning & maintenance services that define luxury & impeccability.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
13	Mullor	Exact match	Barcelona, SpainHQ recorded Oct 23, 2026	1,001-5,000	426 contacts →
	Exact match “Desde 1941 estamos al servicio de empresas, instituciones y profesionales para gestionar la limpieza de sus instalaciones.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
14	Dimeo Cleaning Services	Exact match	Alexandria, AustraliaHQ recorded Oct 23, 2026	1,001-5,000	410 contacts →
	Exact match “Dimeo is a national provider of commercial, retail, government, and educational facility cleaning services and as such our client base reflects a broad cross section of the…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
15	FBG Facility Services	Exact match	Omaha, NE, United StatesHQ recorded Oct 23, 2026	1,001-5,000	386 contacts →
	Exact match “Overview Call it an occupational hazard, but at FBG Facility Services, we are a bit obsessed when it comes to cleaning.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
16	Executive Management Services, INC	Exact match	Greenfield, IN, United StatesHQ recorded Oct 23, 2026	1,001-5,000	366 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
17	RED Coats, INC	Exact match	Bethesda, MD, United StatesHQ recorded Oct 23, 2026	5,001-10,000	345 contacts →
	Exact match “Commercial Cleaning & Facility Services \| Family- and Woman-Owned \| Trusted Since 1960 Founded over 60 years ago by Barbara K.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
18	Deca Propreté	Exact match	Treillières, FranceHQ recorded Oct 23, 2026	1,001-5,000	325 contacts →
	Exact match “DeCA Propreté est une entreprise de nettoyage et services aux professionnels.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
19	Avant Garde Cleanroom & Engg. Solutions Pvt. LTD	Exact match	New Delhi, IndiaHQ recorded Oct 23, 2026	501-1,000	320 contacts →
	Exact match “Designing and building clean indoor climates for critical manufacturing industries like Pharmaceutical, Food, Automotive, Electronics, and others, ACES has innovated its way to…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
20	CCS Facility Services	Exact match	Denver, CO, United StatesHQ recorded Oct 23, 2026	5,001-10,000	318 contacts →
	Exact match “Facility vendors should support your work, not hold it back.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
21	Enviro-Clean Services, INC	Exact match	Holland, MI, United StatesHQ recorded Oct 23, 2026	1,001-5,000	296 contacts →
	Exact match “We are a Michigan-based commercial cleaning and facility maintenance company operating continuously since 1975.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
22	Cleannet USA Commercial Cleaning Services	Exact match	United StatesHQ recorded Oct 23, 2026	1,001-5,000	283 contacts →
	Exact match “CleanNet U.S.A.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
23	Integrated Cleanroom Technologies Limited	Exact match	Hyderabad, IndiaHQ recorded Oct 23, 2026	501-1,000	278 contacts →
	Exact match “Largest Company in India for Clean Rooms on Turnkey Basis catering to requirements of Pharmaceuticals, Semionductor, Food & Beverage and Research Laboratories.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
24	SERZA	Exact match	Buenos Aires, ArgentinaHQ recorded Oct 23, 2026	201-500	275 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
25	Seni Société D'entretien ET DE Nettoyage Industriel	Exact match	Créteil, FranceHQ recorded Oct 23, 2026	1,001-5,000	259 contacts →
	Exact match “Créée en 1966, S.E.N.I, entreprise familiale est rapidement devenue une référence nationale incontournable dans le domaine de la propreté grâce à ses valeurs humaines.” Recorded in the RevenueBase company graph · Oct 23, 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 “cleanroom cleaning & maintenance companies”. 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 10,568 cleanroom cleaning & maintenance companies worldwide

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Cleanroom cleaning & maintenance companies worldwide at a glance

As of Oct 23, 2026

10.8%Verified-email coverage

8.7Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Dubai

Oct 23, 2026Page data refreshed

Companies by employee count

1-10

4,316

11-50

3,497

51-200

1,678

201-500

547

501-1,000

202

1,001-5,000

142

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 cleanroom cleaning & maintenance companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “cleanroom cleaning & maintenance companies” 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 9,955 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 23, 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.

Cleanroom cleaning & maintenance companies by location

32 lists · largest first

Every Cleanroom cleaning & maintenance companies 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 “cleanroom cleaning & maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cleanroom cleaning & maintenance companies are there worldwide?

RevenueBase identified 10,568 company matches for cleanroom cleaning & maintenance companies 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?

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

Which country has the most cleanroom cleaning & maintenance companies?

The United States leads with 3,004 companies, followed by France (631) and the United Kingdom (558). Every cleanroom cleaning & maintenance companies list by country and city is linked on this page.

Which city has the most cleanroom cleaning & maintenance companies?

Dubai leads with 89 company records, followed by London (81) and New York (75).

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 9,955 professional contacts with verified work emails tracked across these 10,568 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 23, 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.