Company lists · Data refreshed September 2026
Top 25 Facility maintenance contractors based in San Diego, United States
RevenueBase identified 71 facility maintenance contractors headquartered in San Diego, United States as of September 2026 and tracks 1,471 professional contacts across them, including 462 with verified work emails. New York is the largest hub.
This list covers facility maintenance contractors headquartered in San Diego, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest facility maintenance contractors based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 441 contacts → | ||||
Partial evidence “At Pacific Rim Mechanical, we deliver comprehensive mechanical contracting and facility services across Southern California.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 132 contacts → | ||||
Partial evidence “Servi-Tek has reinvented the facility services industry through innovation, technology, and a relentless dedication to improvement.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 124 contacts → | ||||
Strong evidence “GMI is an Integrated Facility Solutions Company that provides superior janitorial, maintenance, and security services to our clients throughout Southern California.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 102 contacts → | ||||
Strong evidence “ProTec is Southern California and Southern Nevada’s premier HOA General Contractor specializing in the maintenance, repair, reconstruction, plumbing, and inspection of common…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 91 contacts → | ||||
Indirect evidence “Jackson & Blanc is Southern California's pre-eminent mechanical systems specialist, serving the Commercial, Industrial and Institutional markets.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 47 contacts → | ||||
Strong evidence “Professional Maintenance Systems, founded in 1982, is now responsible for the commercial cleaning of over 42 million SF of facilities throughout California & Washington.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 30 contacts → | ||||
Partial evidence “PE Facility Solutions, LLC, now under the brand Pristine Environments, manages, maintains and optimizes the performance of mission critical facilities for corporate real estate…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 contacts → | ||||
Indirect evidence “We are Sandstrand, a privately owned and managed full service commercial janitorial company with a simple, singular driving philosophy: be better.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 19 contacts → | ||||
Strong evidence “City Wide is the leading management company in the building maintenance industry, able to facilitate more than 20 maintenance solutions for every client.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 contacts → | ||||
Indirect evidence “San Diego Mechanical Energy designs, installs, and services all types of HVAC equipment including chillers, boilers, air handlers, cooling towers, pumps, packaged units, variable…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 contacts → | ||||
Indirect evidence “The mission of Essential Heating and Air Conditioning is to provide superior customer service, provide a workplace where employees feel safe and are proud to be a part of the team…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 contacts → | ||||
Strong evidence “McKowski’s Maintenance System provides a premier level of commercial cleaning services to San Diego’s highest-profile office buildings, production and manufacturing facilities…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 8 contacts → | ||||
Indirect evidence “DAPA Services Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Partial evidence “CRISP ENVIRONMENTS is a professional corporate facility services, cleaning and landscape solutions company launched in San Diego, California and servicing the West Coast.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Partial evidence “Innovative and Efficient Cleaning Solutions for Facility Challenges “ We are a customer-focused organization, committed to solving your cleaning needs.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “Lot Management is a locally-owned, locally-grown, property maintenance company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “We love to help serve the communities we work in.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “Allstar Commercial Cleaning provides commercial janitorial service to offices, restaurants, and commercial facilities throughout the San Diego County area.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “Our mission is to design, develop, and implement sensible cost-effective strategies for all commercial building cleaning and maintenance needs, delivering robust benefit solutions…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Strong evidence “San Diego general contractor, specializing in property maintenance, renovations, and repairs for property managers and real estate stakeholders.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “Wepa Commercial Cleaning is a Military Veteran- Owned and Operated maintenance and commercial cleaning company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “That HVAC Guy is a commercial Heating and Air Conditioning service, maintenance, and installation company servicing San Diego County since 1992.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “Welcome to Sage Cleaning Systems, where expertise meets a commitment to "Workplace Wellness".” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: facility maintenance contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names facility maintenance contractors.
- Partial evidence
- Its own public description names part of facility maintenance contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name facility maintenance contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 71 facility maintenance contractors based in San Diego, United States
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Facility maintenance contractors based in San Diego, United States at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 71 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among facility maintenance contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in San Diego, United States whose own description of what they do matches “facility maintenance contractors”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names facility maintenance contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among facility maintenance contractors, and records with no verified work email. Companies headquartered outside San Diego are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 462 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Facility maintenance contractors by metro in the United States
- Facility maintenance contractors in New York165
- Facility maintenance contractors in Houston137
- Facility maintenance contractors in Atlanta97
- Facility maintenance contractors in Dallas83
- Facility maintenance contractors in San Diego71
- Facility maintenance contractors in Phoenix68
- Facility maintenance contractors in Miami67
- Facility maintenance contractors in Chicago66
- Facility maintenance contractors in Orlando66
- Facility maintenance contractors in Austin59
- Facility maintenance contractors in Charlotte55
- Facility maintenance contractors in Tampa50
- Facility maintenance contractors in San Antonio48
- Facility maintenance contractors in Indianapolis46
- Facility maintenance contractors in Los Angeles44
- Facility maintenance contractors in Columbus43
- Facility maintenance contractors in Las Vegas43
- Facility maintenance contractors in Denver42
- Facility maintenance contractors in San Jose39
- Facility maintenance contractors in Cincinnati38
- Facility maintenance contractors in Nashville38
- Facility maintenance contractors in Memphis37
- Facility maintenance contractors in Jacksonville36
- Facility maintenance contractors in Philadelphia35
- Facility maintenance contractors in Louisville33
- Facility maintenance contractors in Knoxville31
- Facility maintenance contractors in San Francisco31
- Facility maintenance contractors in Raleigh30
- Facility maintenance contractors in Richmond30
- Facility maintenance contractors in Washington30
- Facility maintenance contractors in Columbia27
- Facility maintenance contractors in Minneapolis27
- Facility maintenance contractors in Cleveland26
- Facility maintenance contractors in Omaha26
- Facility maintenance contractors in Portland26
- Facility maintenance contractors in Marietta25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names facility maintenance contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many facility maintenance contractors are there based in San Diego, United States?
RevenueBase identified 71 facility maintenance contractors headquartered in San Diego, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Pacific RIM Mechanical, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most facility maintenance contractors?
New York leads with 165 headquartered companies, followed by Houston (137) and Atlanta (97).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 462 verified decision-maker contacts tracked across these 71 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.
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