Company lists · Data refreshed November 2026
Top 25 Mechanical systems maintenance based in the United States
RevenueBase identified 1,985 company matches for mechanical systems maintenance associated with the United States as of November 2026 and tracks 38,875 professional contacts across them, including 12,038 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 November 6, 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 | 1,407 contacts → | ||||
Exact match “Comfort Systems USA | Quality People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,075 contacts → | ||||
Exact match “GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,067 contacts → | ||||
Exact match “Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 701 contacts → | ||||
Exact match “At Vixxo Facility Solutions, we pride ourselves on delivering unparalleled expertise to create outstanding customer experiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 667 contacts → | ||||
Exact match “Where Facility Excellence Meets Defense Standards Ready • Secure • Lean We serve operators who cannot afford a facility failure: defense primes, secure federal installations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 666 contacts → | ||||
Exact match “Facilities Maintenance Management is a company comprised of a team of professionals dedicated to uncompromising quality, responsive service, value and integrity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 359 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 353 contacts → | ||||
Exact match “Remco, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 350 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 302 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 250 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 236 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 228 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 220 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 215 contacts → | ||||
Exact match “Our Mission: To be the most respected facilities services company in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 211 contacts → | ||||
Exact match “MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 211 contacts → | ||||
Exact match “MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 210 contacts → | ||||
Exact match “Our commitment to the commercial HVAC industry has remained unchanged since we began in 1952.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 208 contacts → | ||||
Exact match “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 198 contacts → | ||||
Exact match “EMCOR Services New England Mechanical Services (NEMSI) offers a full range of mechanical, electrical, plumbing, sheetmetal, building automation, and facilities services that…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 197 contacts → | ||||
Exact match “With offices in Statesboro, GA, Savannah, GA, Atlanta, GA, Charlotte, NC, and Lexington, SC, The Sack Company is one of the largest industrial mechanical, electrical, plumbing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 193 contacts → | ||||
Exact match “Our approach puts you and your needs first.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 191 contacts → | ||||
Exact match “Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 188 contacts → | ||||
Exact match “Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 175 contacts → | ||||
Exact match “AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded in the RevenueBase company graph · Nov 6, 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 1,985 mechanical systems maintenance based in the United States
See the full list, filter by size, metro and specialty, and access 12,038 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 Nov 6, 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 1,985 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 12,038 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.
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 1,985 company matches for mechanical systems maintenance associated with the United States 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?
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 33 company records, followed by New York (27) and Miami (18).
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 12,038 professional contacts with verified work emails tracked across these 1,985 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 1,985 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 Dubai, United Arab Emirates
- Mechanical systems maintenance based in London, United Kingdom
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Argentina
- Mechanical systems maintenance based in Australia
- Mechanical systems maintenance based in Belgium
- Mechanical systems maintenance based in Brazil
- Mechanical systems maintenance based in Canada
- Mechanical systems maintenance based in Finland
- Mechanical systems maintenance based in France
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 Dubai, United Arab Emirates
- Mechanical systems maintenance based in London, United Kingdom
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Argentina
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 1,985 matching company records for mechanical systems maintenance based in the United States, with 38,875 tracked contacts and 12,038 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: November 6, 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, IN, United StatesReported employees: 10001+ | Houston, IN, United States | 10001+ | Exact match | 1,407 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  GSH Groupgshgroup.comHQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 1,075 contacts → |
“GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  LEE Companyleecompany.comHQ: Franklin, TN, United StatesReported employees: 1,001-5,000 | Franklin, TN, United States | 1,001-5,000 | Exact match | 1,067 contacts → |
“Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Vixxo Facility Solutionsvixxo.comHQ: Scottsdale, AZ, United StatesReported employees: 501-1,000 | Scottsdale, AZ, United States | 501-1,000 | Exact match | 701 contacts → |
“At Vixxo Facility Solutions, we pride ourselves on delivering unparalleled expertise to create outstanding customer experiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  IH Services, INCihservices.comHQ: Sebastian, FL, United StatesReported employees: 1,001-5,000 | Sebastian, FL, United States | 1,001-5,000 | Exact match | 667 contacts → |
“Where Facility Excellence Meets Defense Standards Ready • Secure • Lean We serve operators who cannot afford a facility failure: defense primes, secure federal installations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Denham Springs, LA, United StatesReported employees: Not recorded | Denham Springs, LA, United States | Not recorded | Exact match | 666 contacts → |
“Facilities Maintenance Management is a company comprised of a team of professionals dedicated to uncompromising quality, responsive service, value and integrity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Debra-Kuempeldebra-kuempel.comHQ: Cincinnati, IN, United StatesReported employees: 1,001-5,000 | Cincinnati, IN, United States | 1,001-5,000 | Exact match | 359 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Remco INCremcopa.comHQ: Mechanicsburg, VA, United StatesReported employees: 501-1,000 | Mechanicsburg, VA, United States | 501-1,000 | Exact match | 353 contacts → |
“Remco, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  United Mechanicalumi1.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 350 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Tech24mytech24.comHQ: Greenville, SC, United StatesReported employees: 501-1,000 | Greenville, SC, United States | 501-1,000 | Exact match | 302 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Holaday-Parks, INCholadayparks.comHQ: Tukwila, AK, United StatesReported employees: 201-500 | Tukwila, AK, United States | 201-500 | Exact match | 250 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  The DM Burr Groupdmburr.comHQ: Flint, MI, United StatesReported employees: 1,001-5,000 | Flint, MI, United States | 1,001-5,000 | Exact match | 236 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Pueblo Mechanical & Controlspueblo-mechanical.comHQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 228 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Metropolitan Mechanical Contractorsmetromech.comHQ: Eden Prairie, MN, United StatesReported employees: 501-1,000 | Eden Prairie, MN, United States | 501-1,000 | Exact match | 220 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Velociti Servicesvelocitiservices.comHQ: Atlanta, FL, United StatesReported employees: 1,001-5,000 | Atlanta, FL, United States | 1,001-5,000 | Exact match | 215 contacts → |
“Our Mission: To be the most respected facilities services company in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Maxair Mechanicalmaxairmech.comHQ: Marietta, GA, United StatesReported employees: 201-500 | Marietta, GA, United States | 201-500 | Exact match | 211 contacts → |
“MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  MLN Companymlncompany.comHQ: Stafford, TX, United StatesReported employees: 501-1,000 | Stafford, TX, United States | 501-1,000 | Exact match | 211 contacts → |
“MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Star Service INCstar-service.comHQ: Baton Rouge, LA, United StatesReported employees: 201-500 | Baton Rouge, LA, United States | 201-500 | Exact match | 210 contacts → |
“Our commitment to the commercial HVAC industry has remained unchanged since we began in 1952.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Haynes Mechanical Systemshaynesmechanical.comHQ: Greenwood Village, CO, United StatesReported employees: 201-500 | Greenwood Village, CO, United States | 201-500 | Exact match | 208 contacts → |
“Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Windsor, CT, United StatesReported employees: 201-500 | Windsor, CT, United States | 201-500 | Exact match | 198 contacts → |
“EMCOR Services New England Mechanical Services (NEMSI) offers a full range of mechanical, electrical, plumbing, sheetmetal, building automation, and facilities services that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sack Companyhasack.comHQ: Statesboro, GA, United StatesReported employees: 501-1,000 | Statesboro, GA, United States | 501-1,000 | Exact match | 197 contacts → |
“With offices in Statesboro, GA, Savannah, GA, Atlanta, GA, Charlotte, NC, and Lexington, SC, The Sack Company is one of the largest industrial mechanical, electrical, plumbing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AIR Force ONEairforceone.comHQ: Dublin, OH, United StatesReported employees: 201-500 | Dublin, OH, United States | 201-500 | Exact match | 193 contacts → |
“Our approach puts you and your needs first.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Emcor Services Aircondaircond.comHQ: Smyrna, SC, United StatesReported employees: 201-500 | Smyrna, SC, United States | 201-500 | Exact match | 191 contacts → |
“Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Comfort Systems USA Southeastcsusasoutheast.comHQ: Pensacola, GA, United StatesReported employees: 201-500 | Pensacola, GA, United States | 201-500 | Exact match | 188 contacts → |
“Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  American Mechanical Servicesamsofusa.comHQ: Laurel, CA, United StatesReported employees: 501-1,000 | Laurel, CA, United States | 501-1,000 | Exact match | 175 contacts → |
“AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,985 company matches
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Mechanical systems maintenance: dataset insights
November 6, 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
1,969 records in the displayed employee bands.
16 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 1,985 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: November 6, 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 1,985 matching company records, 38,875 tracked contacts and 12,038 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: November 6, 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 Dubai, United Arab Emirates
- Mechanical systems maintenance based in London, United Kingdom
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Argentina
- Mechanical systems maintenance based in Australia
- Mechanical systems maintenance based in Belgium
- Mechanical systems maintenance based in Brazil
- Mechanical systems maintenance based in Canada
- Mechanical systems maintenance based in Finland
- Mechanical systems maintenance based in France
Cite this list
RevenueBase Data Team. Top 25 mechanical systems maintenance based in the United States. Snapshot: November 6, 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 Dubai, United Arab Emirates
- Mechanical systems maintenance based in London, United Kingdom
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Argentina
Company intelligence · public preview
Top 25 mechanical systems maintenance based in the United States
RevenueBase records 1,985 matching company records for mechanical systems maintenance based in the United States, with 38,875 tracked contacts and 12,038 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: November 6, 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, IN, United StatesReported employees: 10001+ | Houston, IN, United States | 10001+ | Exact match | 1,407 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | GSH Groupgshgroup.com HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 1,075 contacts → |
“GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | LEE Companyleecompany.com HQ: Franklin, TN, United StatesReported employees: 1,001-5,000 | Franklin, TN, United States | 1,001-5,000 | Exact match | 1,067 contacts → |
“Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Vixxo Facility Solutionsvixxo.com HQ: Scottsdale, AZ, United StatesReported employees: 501-1,000 | Scottsdale, AZ, United States | 501-1,000 | Exact match | 701 contacts → |
“At Vixxo Facility Solutions, we pride ourselves on delivering unparalleled expertise to create outstanding customer experiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | IH Services, INCihservices.com HQ: Sebastian, FL, United StatesReported employees: 1,001-5,000 | Sebastian, FL, United States | 1,001-5,000 | Exact match | 667 contacts → |
“Where Facility Excellence Meets Defense Standards Ready • Secure • Lean We serve operators who cannot afford a facility failure: defense primes, secure federal installations…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Denham Springs, LA, United StatesReported employees: Not recorded | Denham Springs, LA, United States | Not recorded | Exact match | 666 contacts → |
“Facilities Maintenance Management is a company comprised of a team of professionals dedicated to uncompromising quality, responsive service, value and integrity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Debra-Kuempeldebra-kuempel.com HQ: Cincinnati, IN, United StatesReported employees: 1,001-5,000 | Cincinnati, IN, United States | 1,001-5,000 | Exact match | 359 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Remco INCremcopa.com HQ: Mechanicsburg, VA, United StatesReported employees: 501-1,000 | Mechanicsburg, VA, United States | 501-1,000 | Exact match | 353 contacts → |
“Remco, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | United Mechanicalumi1.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 350 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tech24mytech24.com HQ: Greenville, SC, United StatesReported employees: 501-1,000 | Greenville, SC, United States | 501-1,000 | Exact match | 302 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Holaday-Parks, INCholadayparks.com HQ: Tukwila, AK, United StatesReported employees: 201-500 | Tukwila, AK, United States | 201-500 | Exact match | 250 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 | 236 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Pueblo Mechanical & Controlspueblo-mechanical.com HQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 228 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Metropolitan Mechanical Contractorsmetromech.com HQ: Eden Prairie, MN, United StatesReported employees: 501-1,000 | Eden Prairie, MN, United States | 501-1,000 | Exact match | 220 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Velociti Servicesvelocitiservices.com HQ: Atlanta, FL, United StatesReported employees: 1,001-5,000 | Atlanta, FL, United States | 1,001-5,000 | Exact match | 215 contacts → |
“Our Mission: To be the most respected facilities services company in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Maxair Mechanicalmaxairmech.com HQ: Marietta, GA, United StatesReported employees: 201-500 | Marietta, GA, United States | 201-500 | Exact match | 211 contacts → |
“MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | MLN Companymlncompany.com HQ: Stafford, TX, United StatesReported employees: 501-1,000 | Stafford, TX, United States | 501-1,000 | Exact match | 211 contacts → |
“MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Star Service INCstar-service.com HQ: Baton Rouge, LA, United StatesReported employees: 201-500 | Baton Rouge, LA, United States | 201-500 | Exact match | 210 contacts → |
“Our commitment to the commercial HVAC industry has remained unchanged since we began in 1952.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Haynes Mechanical Systemshaynesmechanical.com HQ: Greenwood Village, CO, United StatesReported employees: 201-500 | Greenwood Village, CO, United States | 201-500 | Exact match | 208 contacts → |
“Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Windsor, CT, United StatesReported employees: 201-500 | Windsor, CT, United States | 201-500 | Exact match | 198 contacts → |
“EMCOR Services New England Mechanical Services (NEMSI) offers a full range of mechanical, electrical, plumbing, sheetmetal, building automation, and facilities services that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sack Companyhasack.com HQ: Statesboro, GA, United StatesReported employees: 501-1,000 | Statesboro, GA, United States | 501-1,000 | Exact match | 197 contacts → |
“With offices in Statesboro, GA, Savannah, GA, Atlanta, GA, Charlotte, NC, and Lexington, SC, The Sack Company is one of the largest industrial mechanical, electrical, plumbing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AIR Force ONEairforceone.com HQ: Dublin, OH, United StatesReported employees: 201-500 | Dublin, OH, United States | 201-500 | Exact match | 193 contacts → |
“Our approach puts you and your needs first.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Emcor Services Aircondaircond.com HQ: Smyrna, SC, United StatesReported employees: 201-500 | Smyrna, SC, United States | 201-500 | Exact match | 191 contacts → |
“Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Comfort Systems USA Southeastcsusasoutheast.com HQ: Pensacola, GA, United StatesReported employees: 201-500 | Pensacola, GA, United States | 201-500 | Exact match | 188 contacts → |
“Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | American Mechanical Servicesamsofusa.com HQ: Laurel, CA, United StatesReported employees: 501-1,000 | Laurel, CA, United States | 501-1,000 | Exact match | 175 contacts → |
“AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Mechanical systems maintenance: dataset insights
November 6, 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
1,969 records in the displayed employee bands.
16 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 1,985 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: November 6, 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 1,985 matching company records, 38,875 tracked contacts and 12,038 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: November 6, 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 London, United Kingdom
- Mechanical systems maintenance based in Houston, United States
- Mechanical systems maintenance based in New York, United States
- Mechanical systems maintenance based in Argentina
- Mechanical systems maintenance based in Australia
- Mechanical systems maintenance based in Belgium
- Mechanical systems maintenance based in Brazil
- Mechanical systems maintenance based in Canada
- Mechanical systems maintenance based in Finland
- Mechanical systems maintenance based in France
Cite this list
RevenueBase Data Team. Top 25 mechanical systems maintenance based in the United States. Snapshot: November 6, 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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