Company lists · Data refreshed September 2026
Top 25 Mechanical systems maintenance based in the United States
RevenueBase identified 3,836 company matches for mechanical systems maintenance associated with the United States as of September 2026 and tracks 53,956 professional contacts across them, including 19,066 with verified work emails. Houston is the largest hub.
This list covers company matches for mechanical systems maintenance associated with the 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.
The 25 largest mechanical systems maintenance based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,330 contacts → | ||||
Exact match “Comfort Systems USA | Quality People.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 1,077 contacts → | ||||
Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 1,017 contacts → | ||||
Exact match “GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 936 contacts → | ||||
Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 539 contacts → | ||||
Exact match “DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 441 contacts → | ||||
Exact match “At Pacific Rim Mechanical, we deliver comprehensive mechanical contracting and facility services across Southern California.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 348 contacts → | ||||
Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 346 contacts → | ||||
Exact match “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 346 contacts → | ||||
Exact match “With more than 70 years of experience, DeBra-Kuempel is a leading provider of mechanical, electrical, and plumbing services to Cincinnati, Dayton, Columbus, Evansville, Lexington…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 338 contacts → | ||||
Exact match “Remco, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 335 contacts → | ||||
Exact match “Looking for a new opportunity with a growing organization that shares your values?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 316 contacts → | ||||
Exact match “Entech consists of several cohesive business groups working together to provide services for commercial and industrial buildings.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 297 contacts → | ||||
Exact match “Kimbel Mechanical Systems, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 290 contacts → | ||||
Exact match “Tech 24 is the service industry leader, providing fast, complete, multi-regional repair and preventive plan solutions for commercial refrigeration, cooking, beverage and HVAC…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 285 contacts → | ||||
Exact match “The Hill Group is a Chicago-based mechanical contractor specializing in HVAC, plumbing, fire protection, testing/balancing, and commissioning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 270 contacts → | ||||
Exact match “Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 259 contacts → | ||||
Exact match “At The Arcticom Group (TAG), our family of best-in-market operating companies delivers the highest-quality service and customer experience in commercial and industrial HVACR.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 218 contacts → | ||||
Exact match “As one of the largest full service mechanical contractors headquartered in the Pacific Northwest, Holaday Parks has grown well beyond Seattle.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 214 contacts → | ||||
Exact match “Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 212 contacts → | ||||
Exact match “For more than 50 years, Metropolitan Mechanical Contractors, Inc.(MMC) has been designing, building and maintaining complex mechanical systems for some of the most well-known…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 211 contacts → | ||||
Exact match “The DM Burr Group is a multifaceted company that has many divisions that are complementary to one another giving our customers the easiest way possible to bundle services together…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 208 contacts → | ||||
Exact match “Our Mission: To be the most respected facilities services company in the world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 207 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 205 contacts → | ||||
Exact match “At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 203 contacts → | ||||
Exact match “MLN has provided the best systems and services in mechanical contracting for nearly three decades.” 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 “mechanical systems maintenance”. 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 3,836 mechanical systems maintenance based in the United States
See the full list, filter by size, metro and specialty, and access 19,066 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mechanical systems maintenance based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,836 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 the United States whose business descriptions match “mechanical systems maintenance” 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 19,066 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.
Mechanical systems maintenance by metro
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 “mechanical systems maintenance”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mechanical systems maintenance are there based in the United States?
RevenueBase identified 3,836 company matches for mechanical systems maintenance associated with the 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?
Comfort Systems USA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mechanical systems maintenance?
Houston leads with 74 company records, followed by New York (62) and Indianapolis (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 19,066 professional contacts with verified work emails tracked across these 3,836 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.
Ready to reach these companies? Verified emails and direct dials for all 3,836 mechanical systems maintenance based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Mechanical systems maintenance by geography
- Mechanical systems maintenance based in Sao Paulo, Brazil
- Mechanical systems maintenance based in Calgary, Canada
- Mechanical systems maintenance based in Edmonton, Canada
- Mechanical systems maintenance based in Toronto, Canada
- Mechanical systems maintenance based in Austin, United States
- Mechanical systems maintenance based in Charlotte, United States
- Mechanical systems maintenance based in Dallas, United States
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in Indianapolis, United States
- Mechanical systems maintenance based in Miami, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Phoenix, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mechanical systems maintenance based in Sao Paulo, Brazil
- Mechanical systems maintenance based in Calgary, Canada
- Mechanical systems maintenance based in Edmonton, Canada
- Mechanical systems maintenance based in Toronto, Canada
- Mechanical systems maintenance based in Austin, United States
- Mechanical systems maintenance based in Charlotte, United States
Company intelligence · public preview
Top 25 mechanical systems maintenance based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,836 matching company records for mechanical systems maintenance based in the United States, with 53,956 tracked contacts and 19,066 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 mechanical systems maintenance based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Comfort Systems USAcomfortsystemsusa.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 1,330 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mckenney's, INCmckenneys.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,077 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  GSH Groupgshgroup.comHQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 1,017 contacts → |
“GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cmta, INCcmta.comHQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 936 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Deem, LLCdeemfirst.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 539 contacts → |
“DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pacific RIM Mechanicalprmech.com HQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 441 contacts → |
“At Pacific Rim Mechanical, we deliver comprehensive mechanical contracting and facility services across Southern California.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AIR Systems, INCairsystemsinc.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 348 contacts → |
“Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  United Mechanicalumi1.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 346 contacts → |
“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Debra-Kuempeldebra-kuempel.comHQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 346 contacts → |
“With more than 70 years of experience, DeBra-Kuempel is a leading provider of mechanical, electrical, and plumbing services to Cincinnati, Dayton, Columbus, Evansville, Lexington…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Remco INCremcopa.comHQ: Mechanicsburg, PA, United StatesReported employees: 501-1,000 | Mechanicsburg, PA, United States | 501-1,000 | Exact match | 338 contacts → |
“Remco, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mtech Mechanicalmtechg.com HQ: Westminster, CO, United StatesReported employees: 501-1,000 | Westminster, CO, United States | 501-1,000 | Exact match | 335 contacts → |
“Looking for a new opportunity with a growing organization that shares your values?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Entech Sales & Service, LLCentechsales.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 316 contacts → |
“Entech consists of several cohesive business groups working together to provide services for commercial and industrial buildings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kimbel Mechanical Systems INCkimbel.com HQ: Fayetteville, AR, United StatesReported employees: 501-1,000 | Fayetteville, AR, United States | 501-1,000 | Exact match | 297 contacts → |
“Kimbel Mechanical Systems, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tech24mytech24.comHQ: Greenville, SC, United StatesReported employees: 501-1,000 | Greenville, SC, United States | 501-1,000 | Exact match | 290 contacts → |
“Tech 24 is the service industry leader, providing fast, complete, multi-regional repair and preventive plan solutions for commercial refrigeration, cooking, beverage and HVAC…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Hill Grouphillgrp.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 285 contacts → |
“The Hill Group is a Chicago-based mechanical contractor specializing in HVAC, plumbing, fire protection, testing/balancing, and commissioning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  GEM Incorporatedrlgbuilds.comHQ: Walbridge, OH, United StatesReported employees: 1,001-5,000 | Walbridge, OH, United States | 1,001-5,000 | Exact match | 270 contacts → |
“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  The Arcticom Groupthearcticomgroup.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 259 contacts → |
“At The Arcticom Group (TAG), our family of best-in-market operating companies delivers the highest-quality service and customer experience in commercial and industrial HVACR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Holaday-Parks, INCholadayparks.com HQ: Tukwila, WA, United StatesReported employees: 201-500 | Tukwila, WA, United States | 201-500 | Exact match | 218 contacts → |
“As one of the largest full service mechanical contractors headquartered in the Pacific Northwest, Holaday Parks has grown well beyond Seattle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Pueblo Mechanical & Controlspueblo-mechanical.comHQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 214 contacts → |
“Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Metropolitan Mechanical Contractorsmetromech.com HQ: Eden Prairie, MN, United StatesReported employees: 501-1,000 | Eden Prairie, MN, United States | 501-1,000 | Exact match | 212 contacts → |
“For more than 50 years, Metropolitan Mechanical Contractors, Inc.(MMC) has been designing, building and maintaining complex mechanical systems for some of the most well-known…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The DM Burr Groupdmburr.comHQ: Flint, MI, United StatesReported employees: 1,001-5,000 | Flint, MI, United States | 1,001-5,000 | Exact match | 211 contacts → |
“The DM Burr Group is a multifaceted company that has many divisions that are complementary to one another giving our customers the easiest way possible to bundle services together…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Velociti Servicesvelocitiservices.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 208 contacts → |
“Our Mission: To be the most respected facilities services company in the world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Tweet Garot Mechanical, INCtweetgarot.com HQ: De Pere, WI, United StatesReported employees: 501-1,000 | De Pere, WI, United States | 501-1,000 | Exact match | 207 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Gardinerwhgardiner.comHQ: Solon, OH, United StatesReported employees: 201-500 | Solon, OH, United States | 201-500 | Exact match | 205 contacts → |
“At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | MLN Companymlncompany.com HQ: Stafford, TX, United StatesReported employees: 501-1,000 | Stafford, TX, United States | 501-1,000 | Exact match | 203 contacts → |
“MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,836 company matches
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Mechanical systems maintenance: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
3,796 records in the displayed employee bands.
40 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,836 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Mechanical systems maintenance by metro
Questions about this company list
What does Exact match mean for mechanical systems maintenance?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mechanical systems maintenance did RevenueBase find based in the United States?
The saved snapshot records 3,836 matching company records, 53,956 tracked contacts and 19,066 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Mechanical systems maintenance by geography
- Mechanical systems maintenance based in Sao Paulo, Brazil
- Mechanical systems maintenance based in Calgary, Canada
- Mechanical systems maintenance based in Edmonton, Canada
- Mechanical systems maintenance based in Toronto, Canada
- Mechanical systems maintenance based in Austin, United States
- Mechanical systems maintenance based in Charlotte, United States
- Mechanical systems maintenance based in Dallas, United States
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in Indianapolis, United States
- Mechanical systems maintenance based in Miami, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Phoenix, United States
Cite this list
RevenueBase Data Team. Top 25 mechanical systems maintenance based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/mechanical-systems-maintenance/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mechanical systems maintenance based in Sao Paulo, Brazil
- Mechanical systems maintenance based in Calgary, Canada
- Mechanical systems maintenance based in Edmonton, Canada
- Mechanical systems maintenance based in Toronto, Canada
- Mechanical systems maintenance based in Austin, United States
- Mechanical systems maintenance based in Charlotte, United States
Company intelligence · public preview
Top 25 mechanical systems maintenance based in the United States
RevenueBase records 3,836 matching company records for mechanical systems maintenance based in the United States, with 53,956 tracked contacts and 19,066 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 mechanical systems maintenance based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Comfort Systems USAcomfortsystemsusa.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 1,330 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mckenney's, INCmckenneys.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,077 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | GSH Groupgshgroup.com HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 1,017 contacts → |
“GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cmta, INCcmta.com HQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 936 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Deem, LLCdeemfirst.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 539 contacts → |
“DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pacific RIM Mechanicalprmech.com HQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 441 contacts → |
“At Pacific Rim Mechanical, we deliver comprehensive mechanical contracting and facility services across Southern California.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AIR Systems, INCairsystemsinc.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 348 contacts → |
“Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | United Mechanicalumi1.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 346 contacts → |
“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Debra-Kuempeldebra-kuempel.com HQ: Cincinnati, OH, United StatesReported employees: 1,001-5,000 | Cincinnati, OH, United States | 1,001-5,000 | Exact match | 346 contacts → |
“With more than 70 years of experience, DeBra-Kuempel is a leading provider of mechanical, electrical, and plumbing services to Cincinnati, Dayton, Columbus, Evansville, Lexington…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Remco INCremcopa.com HQ: Mechanicsburg, PA, United StatesReported employees: 501-1,000 | Mechanicsburg, PA, United States | 501-1,000 | Exact match | 338 contacts → |
“Remco, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mtech Mechanicalmtechg.com HQ: Westminster, CO, United StatesReported employees: 501-1,000 | Westminster, CO, United States | 501-1,000 | Exact match | 335 contacts → |
“Looking for a new opportunity with a growing organization that shares your values?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Entech Sales & Service, LLCentechsales.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 316 contacts → |
“Entech consists of several cohesive business groups working together to provide services for commercial and industrial buildings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kimbel Mechanical Systems INCkimbel.com HQ: Fayetteville, AR, United StatesReported employees: 501-1,000 | Fayetteville, AR, United States | 501-1,000 | Exact match | 297 contacts → |
“Kimbel Mechanical Systems, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tech24mytech24.com HQ: Greenville, SC, United StatesReported employees: 501-1,000 | Greenville, SC, United States | 501-1,000 | Exact match | 290 contacts → |
“Tech 24 is the service industry leader, providing fast, complete, multi-regional repair and preventive plan solutions for commercial refrigeration, cooking, beverage and HVAC…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Hill Grouphillgrp.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 285 contacts → |
“The Hill Group is a Chicago-based mechanical contractor specializing in HVAC, plumbing, fire protection, testing/balancing, and commissioning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | GEM Incorporatedrlgbuilds.com HQ: Walbridge, OH, United StatesReported employees: 1,001-5,000 | Walbridge, OH, United States | 1,001-5,000 | Exact match | 270 contacts → |
“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | The Arcticom Groupthearcticomgroup.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 259 contacts → |
“At The Arcticom Group (TAG), our family of best-in-market operating companies delivers the highest-quality service and customer experience in commercial and industrial HVACR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Holaday-Parks, INCholadayparks.com HQ: Tukwila, WA, United StatesReported employees: 201-500 | Tukwila, WA, United States | 201-500 | Exact match | 218 contacts → |
“As one of the largest full service mechanical contractors headquartered in the Pacific Northwest, Holaday Parks has grown well beyond Seattle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Pueblo Mechanical & Controlspueblo-mechanical.com HQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 214 contacts → |
“Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Metropolitan Mechanical Contractorsmetromech.com HQ: Eden Prairie, MN, United StatesReported employees: 501-1,000 | Eden Prairie, MN, United States | 501-1,000 | Exact match | 212 contacts → |
“For more than 50 years, Metropolitan Mechanical Contractors, Inc.(MMC) has been designing, building and maintaining complex mechanical systems for some of the most well-known…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The DM Burr Groupdmburr.com HQ: Flint, MI, United StatesReported employees: 1,001-5,000 | Flint, MI, United States | 1,001-5,000 | Exact match | 211 contacts → |
“The DM Burr Group is a multifaceted company that has many divisions that are complementary to one another giving our customers the easiest way possible to bundle services together…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Velociti Servicesvelocitiservices.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 208 contacts → |
“Our Mission: To be the most respected facilities services company in the world.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Tweet Garot Mechanical, INCtweetgarot.com HQ: De Pere, WI, United StatesReported employees: 501-1,000 | De Pere, WI, United States | 501-1,000 | Exact match | 207 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Gardinerwhgardiner.com HQ: Solon, OH, United StatesReported employees: 201-500 | Solon, OH, United States | 201-500 | Exact match | 205 contacts → |
“At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | MLN Companymlncompany.com HQ: Stafford, TX, United StatesReported employees: 501-1,000 | Stafford, TX, United States | 501-1,000 | Exact match | 203 contacts → |
“MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,836 company matches
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Mechanical systems maintenance: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
3,796 records in the displayed employee bands.
40 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,836 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Mechanical systems maintenance by metro
Questions about this company list
What does Exact match mean for mechanical systems maintenance?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mechanical systems maintenance did RevenueBase find based in the United States?
The saved snapshot records 3,836 matching company records, 53,956 tracked contacts and 19,066 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Mechanical systems maintenance by geography
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- Mechanical systems maintenance based in Charlotte, United States
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- Mechanical systems maintenance based in Houston, United States
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- Mechanical systems maintenance based in Miami, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Phoenix, United States
Cite this list
RevenueBase Data Team. Top 25 mechanical systems maintenance based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/mechanical-systems-maintenance/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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