Company lists · Data refreshed November 2026

Top 25 Day porter services worldwide

RevenueBase identified 10,556 company matches for day porter services worldwide as of November 2026 and tracks 149,986 professional contacts across them, including 18,143 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for day porter services 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 day porter services 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
10,556Companies
149,986Contacts tracked
18,143Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest day porter services worldwide

Ranked by team size
Top 25 of 10,556 company matches for day porter services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchVitry-sur-seine, FranceHQ recorded Nov 6, 202610001+4,008 contacts →

Exact match

“ATALIAN is a major operator in Cleaning and Facility Management in France and Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNeedham, MA, United StatesHQ recorded Nov 6, 202610001+3,531 contacts →

Exact match

“Raising the Value of Facilities Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchOceanside, CA, United StatesHQ recorded Nov 6, 202610001+3,428 contacts →

Exact match

“KBS is a trusted partner to leading operations and facility managers across North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Nov 6, 202610001+2,938 contacts →

Exact match

“ISS Iberia se centra en crear espacio para que personas y organizaciones prosperen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDanvers, MA, United StatesHQ recorded Nov 6, 2026n/a2,743 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNY, United StatesHQ recorded Nov 6, 202610001+2,546 contacts →

Exact match

“ABM (NYSE: ABM) is a Fortune 500 company and leading provider of facility solutions with offices throughout the United States and various international locations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Nov 6, 2026n/a2,053 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchReggio Emilia, ItalyHQ recorded Nov 6, 202610001+1,985 contacts →

Exact match

“Il nostro Purpose: “Abbiamo a cuore e valorizziamo i vostri mondi” Ogni attività umana ha bisogno di luoghi per compiersi: abitazioni, uffici, industrie, centri commerciali…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKnoxville, TN, United StatesHQ recorded Nov 6, 202610001+1,921 contacts →

Exact match

“SSC Services For Education is the premier provider of custom facility services in educational spaces.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAlmelo, NetherlandsHQ recorded Nov 6, 202610001+1,644 contacts →

Exact match

“Asito staat voor topkwaliteit in facilitaire dienstverlening.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 20265,001-10,0001,366 contacts →

Exact match

“With over 45 years of experience, MasterCorp has proudly served as a trusted partner in the hospitality services industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWinston-salem, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,298 contacts →

Exact match

“The Budd Group is a leading facilities services company, delivering high quality janitorial, maintenance and landscaping services to clients throughout the Southeast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCali, ColombiaHQ recorded Nov 6, 20265,001-10,0001,291 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20265,001-10,0001,272 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTampa, FL, United StatesHQ recorded Nov 6, 20265,001-10,0001,269 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLenexa, MO, United StatesHQ recorded Nov 6, 2026n/a1,247 contacts →

Exact match

“Founded in 1961, City Wide has become synonymous with building maintenance in its home Kansas City market and now has over 100 franchise locations in the United States and Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUpminster, United KingdomHQ recorded Nov 6, 20261,001-5,0001,148 contacts →

Exact match

“Arcus FM is an award-winning full-service facilities management company self-delivering over 80% of our services across the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSantiago Centro, ChileHQ recorded Nov 6, 20265,001-10,0001,029 contacts →

Exact match

“LIMCHILE cuenta con más de 43 años de experiencia gestionando personas, entregando servicios integrales en todo Chile.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSchiedam, NetherlandsHQ recorded Nov 6, 202610001+1,014 contacts →

Exact match

“Bedrijven, overheden, onderwijsinstituten en zorginstellingen richten zich steeds meer op hun core business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 20265,001-10,000836 contacts →

Exact match

“Established in 1952 by Skip Marsden, Marsden Services is one of the largest privately-held facility services organizations in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 20265,001-10,000813 contacts →

Exact match

“From one-off projects to ongoing contracts, Kimco gets it done.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDurban, South AfricaHQ recorded Nov 6, 202610001+756 contacts →

Exact match

“Established in 1978, Excellerate Services is one of South Africa's most respected multi-services businesses, and the standard we hold ourselves to has a name: The Better Way.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 20265,001-10,000674 contacts →

Exact match

“WHAT WE DO Property and facility managers trust 4M as their facility services partner because we back up our work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSaginaw, MI, United StatesHQ recorded Nov 6, 20261,001-5,000589 contacts →

Exact match

“Caravan Facilities Management, LLC, established in 1997, is a certified minority-owned business recognized by the Michigan Minority Supplier Development Council.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChorrillos, PeruHQ recorded Nov 6, 20261,001-5,000566 contacts →

Exact match

“Somos líderes en nuestra industria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 10,556 day porter services worldwide

See the full list, filter by size, metro and specialty, and access 18,143 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Day porter services worldwide at a glance

As of Nov 6, 2026
12.1%Verified-email coverage
14.2Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,926
11-50
3,195
51-200
1,812
201-500
700
501-1,000
317
1,001-5,000
285
5,001-10,000
51
10001+
31

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 day porter services are linked below.
What qualifies
Company records worldwide whose business descriptions match “day porter services” 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 18,143 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.

Day porter services by location

34 lists · largest first

Every Day porter services 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 “day porter services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many day porter services are there worldwide?

RevenueBase identified 10,556 company matches for day porter services 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?

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

Which country has the most day porter services?

The United States leads with 3,663 companies, followed by the United Kingdom (636) and Germany (540). Every day porter services list by country and city is linked on this page.

Which city has the most day porter services?

London leads with 114 company records, followed by Sao Paulo (84) and New York (83).

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 18,143 professional contacts with verified work emails tracked across these 10,556 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.

Ready to reach these companies? Verified emails and direct dials for all 10,556 day porter services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.