Company lists · Data refreshed October 2026
Top 25 Maintenance and engineering services based in the United States
RevenueBase identified 2,225 company matches for maintenance and engineering services associated with the United States as of October 2026 and tracks 80,190 professional contacts across them, including 22,830 with verified work emails. Houston is the largest hub.
This list covers company matches for maintenance and engineering services 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 October 17, 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 maintenance and engineering services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,053 contacts → | ||||
Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 2 | 2,282 contacts → | ||||
Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 3 | 1,999 contacts → | ||||
Exact match “NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 4 | 1,969 contacts → | ||||
Exact match “Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 5 | 1,758 contacts → | ||||
Exact match “Able Services has joined ABM Industries, a historic acquisition that holds limitless potential for growth.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 6 | 1,443 contacts → | ||||
Exact match “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 7 | 1,416 contacts → | ||||
Exact match “As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 8 | 1,360 contacts → | ||||
Exact match “Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 9 | 1,212 contacts → | ||||
Exact match “Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 10 | 1,088 contacts → | ||||
Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 11 | 1,016 contacts → | ||||
Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 12 | 998 contacts → | ||||
Exact match “GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 13 | 911 contacts → | ||||
Exact match “Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 14 | 786 contacts → | ||||
Exact match “For more than 50 years, ATS (Aviation Technical Services) has been providing industry-leading, comprehensive MRO and supply chain support services for aircraft operators, asset…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 15 | 730 contacts → | ||||
Exact match “Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 16 | 725 contacts → | ||||
Exact match “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 17 | 711 contacts → | ||||
Exact match “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 18 | 678 contacts → | ||||
Exact match “USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 19 | 669 contacts → | ||||
Exact match “Airborne Maintenance & Engineering Services is your first stop for maintenance when performance, delivery, and quality matter.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 20 | 651 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 21 | 643 contacts → | ||||
Exact match “FEAM AERO is an MRO (Maintenance, Repair, Overhaul) company providing aircraft line maintenance and A-check services to domestic and international air carriers flying transport…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 22 | 592 contacts → | ||||
Exact match “At F.E.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 23 | 537 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 24 | 474 contacts → | ||||
Exact match “Ardent Services, LLC (Ardent) is a leading provider of high-quality power, control, process-automation, and electrical and instrumentation (E&I) services for process industries…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 25 | 447 contacts → | ||||
Exact match “With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded in the RevenueBase company graph · Oct 17, 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 “maintenance and engineering services”. 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 2,225 maintenance and engineering services based in the United States
See the full list, filter by size, metro and specialty, and access 22,830 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Maintenance and engineering services based in the United States at a glance
As of Oct 17, 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 2,225 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 “maintenance and engineering services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 22,830 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 October 17, 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.
Maintenance and engineering services 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 “maintenance and engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many maintenance and engineering services are there based in the United States?
RevenueBase identified 2,225 company matches for maintenance and engineering services associated with the United States as of October 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?
Zachry Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most maintenance and engineering services?
Houston leads with 69 company records, followed by Miami (29) and New York (25).
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 22,830 professional contacts with verified work emails tracked across these 2,225 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 October 17, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,225 maintenance and engineering services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Maintenance and engineering services by geography
- Maintenance and engineering services based in Campinas, Brazil
- Maintenance and engineering services based in Curitiba, Brazil
- Maintenance and engineering services based in Recife, Brazil
- Maintenance and engineering services based in Rio De Janeiro, Brazil
- Maintenance and engineering services based in Sao Paulo, Brazil
- Maintenance and engineering services based in Toronto, Canada
- Maintenance and engineering services based in Santiago, Chile
- Maintenance and engineering services based in Dammam, Saudi Arabia
- Maintenance and engineering services based in Singapore, Singapore
- Maintenance and engineering services based in Johannesburg, South Africa
- Maintenance and engineering services based in Madrid, Spain
- Maintenance and engineering services based in Abu Dhabi, United Arab Emirates
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
- Maintenance and engineering services based in Campinas, Brazil
- Maintenance and engineering services based in Curitiba, Brazil
- Maintenance and engineering services based in Recife, Brazil
- Maintenance and engineering services based in Rio De Janeiro, Brazil
- Maintenance and engineering services based in Sao Paulo, Brazil
- Maintenance and engineering services based in Toronto, Canada
Company intelligence · public preview
Top 25 maintenance and engineering services 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 2,225 matching company records for maintenance and engineering services based in the United States, with 80,190 tracked contacts and 22,830 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: October 17, 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 maintenance and engineering services 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 |  Zachry Groupzachrygroup.comHQ: San Antonio, TX, United StatesReported employees: 10001+ | San Antonio, TX, United States | 10001+ | Exact match | 7,053 contacts → |
“Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Advanced Technology Services ATSadvancedtech.comHQ: Peoria, IL, United StatesReported employees: 1,001-5,000 | Peoria, IL, United States | 1,001-5,000 | Exact match | 2,282 contacts → |
“Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NAESnaes.comHQ: Issaquah, WA, United StatesReported employees: 1,001-5,000 | Issaquah, WA, United States | 1,001-5,000 | Exact match | 1,999 contacts → |
“NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Brown & Root Industrial Services, LLCbrownandroot.com HQ: Baton Rouge, LA, United StatesReported employees: 5,001-10,000 | Baton Rouge, LA, United States | 5,001-10,000 | Exact match | 1,969 contacts → |
“Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Able Servicesabm.comHQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 1,758 contacts → |
“Able Services has joined ABM Industries, a historic acquisition that holds limitless potential for growth.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Emcor Group, INCemcorgroup.com HQ: Norwalk, CT, United StatesReported employees: 10001+ | Norwalk, CT, United States | 10001+ | Exact match | 1,443 contacts → |
“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Bilfinger North Americabilfinger.comHQ: The Woodlands, TX, United StatesReported employees: 10001+ | The Woodlands, TX, United States | 10001+ | Exact match | 1,416 contacts → |
“As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Universal Plant Servicesuniversalplant.com HQ: Deer Park, TX, United StatesReported employees: 501-1,000 | Deer Park, TX, United States | 501-1,000 | Exact match | 1,360 contacts → |
“Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Strikestrikeusa.com HQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 1,212 contacts → |
“Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Mckenney's, INCmckenneys.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cmta, INCcmta.comHQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 1,016 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  GSH Groupgshgroup.comHQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 998 contacts → |
“GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Starcon International, INCstarconinternational.com HQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 911 contacts → |
“Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Aviation Technical Servicesatsmro.comHQ: Everett, WA, United StatesReported employees: 1,001-5,000 | Everett, WA, United States | 1,001-5,000 | Exact match | 786 contacts → |
“For more than 50 years, ATS (Aviation Technical Services) has been providing industry-leading, comprehensive MRO and supply chain support services for aircraft operators, asset…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Loenbroloenbro.com HQ: Westminster, CO, United StatesReported employees: 1,001-5,000 | Westminster, CO, United States | 1,001-5,000 | Exact match | 730 contacts → |
“Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wyatt Field Service Companywyattfieldservice.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 725 contacts → |
“WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hydrochempschpc-industrial.comHQ: Deer Park, TX, United StatesReported employees: 5,001-10,000 | Deer Park, TX, United States | 5,001-10,000 | Exact match | 711 contacts → |
“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | USA Debuskusadebusk.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 678 contacts → |
“USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Airborne Maintenance And Engineering Servicesairbornemx.comHQ: Wilmington, OH, United StatesReported employees: 501-1,000 | Wilmington, OH, United States | 501-1,000 | Exact match | 669 contacts → |
“Airborne Maintenance & Engineering Services is your first stop for maintenance when performance, delivery, and quality matter.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  IH Services, INCihservices.comHQ: Sebastian, FL, United StatesReported employees: 1,001-5,000 | Sebastian, FL, United States | 1,001-5,000 | Exact match | 651 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 · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Feam Aerofeam.aeroHQ: Miami Springs, FL, United StatesReported employees: 1,001-5,000 | Miami Springs, FL, United States | 1,001-5,000 | Exact match | 643 contacts → |
“FEAM AERO is an MRO (Maintenance, Repair, Overhaul) company providing aircraft line maintenance and A-check services to domestic and international air carriers flying transport…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  F.E. Moran Group Of Companiesfemoran.comHQ: Northbrook, IL, United StatesReported employees: 1,001-5,000 | Northbrook, IL, United States | 1,001-5,000 | Exact match | 592 contacts → |
“At F.E.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Deem, LLCdeemfirst.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 537 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 · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ardent Services, LLCardent.usHQ: Covington, LA, United StatesReported employees: 51-200 | Covington, LA, United States | 51-200 | Exact match | 474 contacts → |
“Ardent Services, LLC (Ardent) is a leading provider of high-quality power, control, process-automation, and electrical and instrumentation (E&I) services for process industries…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CAM Industrial Solutions LLCcamindustrialsolutions.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 447 contacts → |
“With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,225 company matches
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Maintenance and engineering services: dataset insights
October 17, 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
2,219 records in the displayed employee bands.
6 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 2,225 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: October 17, 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 ↗
Maintenance and engineering services by metro
Questions about this company list
What does Exact match mean for maintenance and engineering services?
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 maintenance and engineering services did RevenueBase find based in the United States?
The saved snapshot records 2,225 matching company records, 80,190 tracked contacts and 22,830 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: October 17, 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
Maintenance and engineering services by geography
- Maintenance and engineering services based in Campinas, Brazil
- Maintenance and engineering services based in Curitiba, Brazil
- Maintenance and engineering services based in Recife, Brazil
- Maintenance and engineering services based in Rio De Janeiro, Brazil
- Maintenance and engineering services based in Sao Paulo, Brazil
- Maintenance and engineering services based in Toronto, Canada
- Maintenance and engineering services based in Santiago, Chile
- Maintenance and engineering services based in Dammam, Saudi Arabia
- Maintenance and engineering services based in Singapore, Singapore
- Maintenance and engineering services based in Johannesburg, South Africa
- Maintenance and engineering services based in Madrid, Spain
- Maintenance and engineering services based in Abu Dhabi, United Arab Emirates
Cite this list
RevenueBase Data Team. Top 25 maintenance and engineering services based in the United States. Snapshot: October 17, 2026. https://revenuebase.ai/companies/maintenance-and-engineering-services/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
- Maintenance and engineering services based in Campinas, Brazil
- Maintenance and engineering services based in Curitiba, Brazil
- Maintenance and engineering services based in Recife, Brazil
- Maintenance and engineering services based in Rio De Janeiro, Brazil
- Maintenance and engineering services based in Sao Paulo, Brazil
- Maintenance and engineering services based in Toronto, Canada
Company intelligence · public preview
Top 25 maintenance and engineering services based in the United States
RevenueBase records 2,225 matching company records for maintenance and engineering services based in the United States, with 80,190 tracked contacts and 22,830 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: October 17, 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 maintenance and engineering services 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 | Zachry Groupzachrygroup.com HQ: San Antonio, TX, United StatesReported employees: 10001+ | San Antonio, TX, United States | 10001+ | Exact match | 7,053 contacts → |
“Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Advanced Technology Services ATSadvancedtech.com HQ: Peoria, IL, United StatesReported employees: 1,001-5,000 | Peoria, IL, United States | 1,001-5,000 | Exact match | 2,282 contacts → |
“Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NAESnaes.com HQ: Issaquah, WA, United StatesReported employees: 1,001-5,000 | Issaquah, WA, United States | 1,001-5,000 | Exact match | 1,999 contacts → |
“NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Brown & Root Industrial Services, LLCbrownandroot.com HQ: Baton Rouge, LA, United StatesReported employees: 5,001-10,000 | Baton Rouge, LA, United States | 5,001-10,000 | Exact match | 1,969 contacts → |
“Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Able Servicesabm.com HQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 1,758 contacts → |
“Able Services has joined ABM Industries, a historic acquisition that holds limitless potential for growth.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Emcor Group, INCemcorgroup.com HQ: Norwalk, CT, United StatesReported employees: 10001+ | Norwalk, CT, United States | 10001+ | Exact match | 1,443 contacts → |
“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Bilfinger North Americabilfinger.com HQ: The Woodlands, TX, United StatesReported employees: 10001+ | The Woodlands, TX, United States | 10001+ | Exact match | 1,416 contacts → |
“As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Universal Plant Servicesuniversalplant.com HQ: Deer Park, TX, United StatesReported employees: 501-1,000 | Deer Park, TX, United States | 501-1,000 | Exact match | 1,360 contacts → |
“Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Strikestrikeusa.com HQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 1,212 contacts → |
“Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mckenney's, INCmckenneys.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cmta, INCcmta.com HQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 1,016 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GSH Groupgshgroup.com HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 998 contacts → |
“GSH Group is a premier provider of global integrated facilities management and building engineering services.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Starcon International, INCstarconinternational.com HQ: La Porte, TX, United StatesReported employees: 1,001-5,000 | La Porte, TX, United States | 1,001-5,000 | Exact match | 911 contacts → |
“Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Aviation Technical Servicesatsmro.com HQ: Everett, WA, United StatesReported employees: 1,001-5,000 | Everett, WA, United States | 1,001-5,000 | Exact match | 786 contacts → |
“For more than 50 years, ATS (Aviation Technical Services) has been providing industry-leading, comprehensive MRO and supply chain support services for aircraft operators, asset…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Loenbroloenbro.com HQ: Westminster, CO, United StatesReported employees: 1,001-5,000 | Westminster, CO, United States | 1,001-5,000 | Exact match | 730 contacts → |
“Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wyatt Field Service Companywyattfieldservice.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 725 contacts → |
“WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hydrochempschpc-industrial.com HQ: Deer Park, TX, United StatesReported employees: 5,001-10,000 | Deer Park, TX, United States | 5,001-10,000 | Exact match | 711 contacts → |
“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | USA Debuskusadebusk.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 678 contacts → |
“USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Airborne Maintenance And Engineering Servicesairbornemx.com HQ: Wilmington, OH, United StatesReported employees: 501-1,000 | Wilmington, OH, United States | 501-1,000 | Exact match | 669 contacts → |
“Airborne Maintenance & Engineering Services is your first stop for maintenance when performance, delivery, and quality matter.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | IH Services, INCihservices.com HQ: Sebastian, FL, United StatesReported employees: 1,001-5,000 | Sebastian, FL, United States | 1,001-5,000 | Exact match | 651 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 · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Feam Aerofeam.aero HQ: Miami Springs, FL, United StatesReported employees: 1,001-5,000 | Miami Springs, FL, United States | 1,001-5,000 | Exact match | 643 contacts → |
“FEAM AERO is an MRO (Maintenance, Repair, Overhaul) company providing aircraft line maintenance and A-check services to domestic and international air carriers flying transport…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | F.E. Moran Group Of Companiesfemoran.com HQ: Northbrook, IL, United StatesReported employees: 1,001-5,000 | Northbrook, IL, United States | 1,001-5,000 | Exact match | 592 contacts → |
“At F.E.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Deem, LLCdeemfirst.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 537 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 · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ardent Services, LLCardent.us HQ: Covington, LA, United StatesReported employees: 51-200 | Covington, LA, United States | 51-200 | Exact match | 474 contacts → |
“Ardent Services, LLC (Ardent) is a leading provider of high-quality power, control, process-automation, and electrical and instrumentation (E&I) services for process industries…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CAM Industrial Solutions LLCcamindustrialsolutions.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 447 contacts → |
“With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,225 company matches
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Maintenance and engineering services: dataset insights
October 17, 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
2,219 records in the displayed employee bands.
6 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 2,225 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: October 17, 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 ↗
Maintenance and engineering services by metro
Questions about this company list
What does Exact match mean for maintenance and engineering services?
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 maintenance and engineering services did RevenueBase find based in the United States?
The saved snapshot records 2,225 matching company records, 80,190 tracked contacts and 22,830 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: October 17, 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.
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Cite this list
RevenueBase Data Team. Top 25 maintenance and engineering services based in the United States. Snapshot: October 17, 2026. https://revenuebase.ai/companies/maintenance-and-engineering-services/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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