Company lists · Data refreshed September 2026

Top 12 Facilities maintenance companies based in Los Angeles, United States

Name: Facilities maintenance companies based in Los Angeles, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 30 companies tracked

RevenueBase identified 30 company matches for facilities maintenance companies associated with Los Angeles, United States as of September 2026 and tracks 122 professional contacts across them, including 26 with verified work emails. Across the United States, Houston is the largest hub for this category (136 companies); Los Angeles has 30.

This list covers company matches for facilities maintenance companies associated with Los Angeles, United States, 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 September 20, 2026.

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 Sep 20, 2026 How this list was built

30Companies

122Contacts tracked

26Verified emails

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The 12 largest facilities maintenance companies based in Los Angeles, United States

Ranked by team size

Top 12 of 30 company matches for facilities maintenance companies based in Los Angeles, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	HSG Waterproofing, Restoration And Window Cleaning HSG	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	51-200	26 contacts →
	Exact match “HSG is one of the leading building curtain wall cleaning and maintenance contractors in Southern California today.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Precise AIR Systems INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	51-200	16 contacts →
	Exact match “Located in Los Angeles, CA, Precise Air Systems caters to this whole area with air cooling and air heating systems, as well as with their maintenance, repair, cleaning, consulting…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Atoz Appliance Services	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	11-50	16 contacts →
	Exact match “A to Z Appliance Services is a full-service, all major commercial and residential appliances, repair and installation company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Royal OAK Property Services, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	11-50	4 contacts →
	Exact match “Started in 1984, Royal Oak Property Services provides commercial property maintenance (CPM), commercial facility/store and construction services throughout Southern California.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	MOR Air, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “Our mission is to be recognized by our customers as the trusted experts for all Heating and Air Conditioning services as well as by all of our associates in the HVAC industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	City Wide Facility Solutions - West LA	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “We help clients manage their facility's needs by scheduling more than 20 different interior and exterior services for them.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Pacific National Property Services, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	11-50	3 contacts →
	Exact match “The company specializes in property maintenance and janitorial services throughout the greater Los Angeles, Orange, Riverside and San Bernardino Counties.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Service Genius AIR Conditioning & Heating	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	11-50	3 contacts →
	Exact match “Service Genius Heating and Air Conditioning is pleased to provide Los Angeles residents with an easy and convenient service for your HVAC system.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Fixology Maintenance & Repair	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “Fixology Construction is an all-in-one property care solution for property managers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	SCV Facilities Services	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	201-500	2 contacts →
	Exact match “SCV seeks to ensure that our clients have a spotless facility to support the work they do and leaving a lasting impression to our client's visitors, customers and business…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Golden State Maintenance, INC	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	11-50	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Green Group Building Services	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Protect Your Property Investments with Green Group: As a reputable provider of property maintenance services in Los Angeles, our residential and commercial divisions ensure that…” Recorded in the RevenueBase company graph · Sep 20, 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 “facilities 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 12 of 30 facilities maintenance companies based in Los Angeles, United States

See the full list, filter by size, metro and specialty, and access 26 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Facilities maintenance companies based in Los Angeles, United States at a glance

As of Sep 20, 2026

21.3%Verified-email coverage

4.1Average contacts per company

11-50Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 30 companies.

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.
What qualifies: Company records associated with Los Angeles, United States whose business descriptions match “facilities 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 26 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 September 20, 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.

Facilities maintenance companies by metro in the United States

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 “facilities maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many facilities maintenance companies are there based in Los Angeles, United States?

RevenueBase identified 30 company matches for facilities maintenance companies associated with Los Angeles, United States as of September 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?

HSG Waterproofing, Restoration And Window Cleaning HSG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most facilities maintenance companies?

Houston leads the United States with 136 company records, followed by New York (134) and Atlanta (66). Los Angeles has 30.

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 26 professional contacts with verified work emails tracked across these 30 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 September 20, 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.