Company lists · Data refreshed October 2026
Top 25 Boiler contractors based in the United States
RevenueBase identified 900 company matches for boiler contractors associated with the United States as of October 2026 and tracks 11,829 professional contacts across them, including 4,246 with verified work emails. New York is the largest hub.
This list covers company matches for boiler contractors 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 9, 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 boiler contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 665 contacts → | ||||
Exact match “Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 294 contacts → | ||||
Exact match “Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 277 contacts → | ||||
Exact match “Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 245 contacts → | ||||
Exact match “For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 212 contacts → | ||||
Exact match “Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 209 contacts → | ||||
Exact match “At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 198 contacts → | ||||
Exact match “Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 193 contacts → | ||||
Exact match “R.F.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 168 contacts → | ||||
Exact match “Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 167 contacts → | ||||
Exact match “Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 163 contacts → | ||||
Exact match “Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 149 contacts → | ||||
Exact match “WARE is a commercial and industrial, boiler rental and service company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 134 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 134 contacts → | ||||
Exact match “Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 118 contacts → | ||||
Exact match “Specialty Mechanical Contractor Shop & Field Services Design & Engineering Fabrication HRSG/Boiler Manufacturing & Erection Turbine Generator Installation, Repair & Maintenance…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 117 contacts → | ||||
Exact match “For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 115 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 103 contacts → | ||||
Exact match “Our innovative approach, highly-trained team, and square foot facility gives Helfrich Brothers the ability to offer custom turn-key services for our clients.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 100 contacts → | ||||
Exact match “California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 100 contacts → | ||||
Exact match “Emergency & Outage Support Engineering Services Fixed-Price Projects Maintenance Repair Services Onsite Vendor Management Services Staff Augmentation/Temporary Labor Payrolling…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 96 contacts → | ||||
Exact match “RMR Mechanical is an industrial boiler and mechanical contractor.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 94 contacts → | ||||
Exact match “IT Landes offers a wide range of commercial and industrial mechanical services, including maintenance, on-demand service, and equipment repair and replacement.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 93 contacts → | ||||
Exact match “Since starting out on the south side of Milwaukee in 1924, Butters-Fetting has become one of the largest mechanical contractors in the area, providing total mechanical services…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 93 contacts → | ||||
Exact match “Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 92 contacts → | ||||
Exact match “Delval has provided thousands of packaged boilers to our trusted clients, more than any other supplier in the region.” Recorded in the RevenueBase company graph · Oct 9, 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 “boiler contractors”. 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 900 boiler contractors based in the United States
See the full list, filter by size, metro and specialty, and access 4,246 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Boiler contractors based in the United States at a glance
As of Oct 9, 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 900 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 “boiler contractors” 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 4,246 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 9, 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.
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 “boiler contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many boiler contractors are there based in the United States?
RevenueBase identified 900 company matches for boiler contractors 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?
Cleaver-Brooks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most boiler contractors?
New York leads with 19 company records, followed by Houston (12) and Chicago (9).
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 4,246 professional contacts with verified work emails tracked across these 900 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 900 boiler contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Boiler contractors by geography
- Boiler contractors based in Australia
- Boiler contractors based in Belgium
- Boiler contractors based in Brazil
- Boiler contractors based in Canada
- Boiler contractors based in France
- Boiler contractors based in Germany
- Boiler contractors based in India
- Boiler contractors based in Italy
- Boiler contractors based in the Netherlands
- Boiler contractors based in South Africa
- Boiler contractors based in Spain
- Boiler contractors based in Türkiye
Browse the directory
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
Company intelligence · public preview
Top 25 boiler contractors 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 900 matching company records for boiler contractors based in the United States, with 11,829 tracked contacts and 4,246 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 9, 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 boiler contractors 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 | Cleaver-Brookscleaverbrooks.com HQ: Thomasville, GA, United StatesReported employees: 1,001-5,000 | Thomasville, GA, United States | 1,001-5,000 | Exact match | 665 contacts → |
“Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Weil-Mclainweil-mclain.com HQ: Burr Ridge, IL, United StatesReported employees: 501-1,000 | Burr Ridge, IL, United States | 501-1,000 | Exact match | 294 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  GEM Incorporatedrlgbuilds.comHQ: Walbridge, OH, United StatesReported employees: 1,001-5,000 | Walbridge, OH, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Raypakraypak.com HQ: Oxnard, United StatesReported employees: 501-1,000 | Oxnard, United States | 501-1,000 | Exact match | 245 contacts → |
“For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Clyde Industriesclyde-industries.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 212 contacts → |
“Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Diamond Power Internationalandritz.comHQ: Lancaster, OH, United StatesReported employees: 201-500 | Lancaster, OH, United States | 201-500 | Exact match | 209 contacts → |
“At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cleaver-Brooks Sales And Servicecbservice.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 198 contacts → |
“Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 193 contacts → |
“R.F.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 168 contacts → |
“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Victory Energy Operations, LLCvictoryenergy.com HQ: Collinsville, OK, United StatesReported employees: 201-500 | Collinsville, OK, United States | 201-500 | Exact match | 167 contacts → |
“Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Newcomb And Companynewcombandcompany.comHQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 163 contacts → |
“Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | WAREwareinc.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 149 contacts → |
“WARE is a commercial and industrial, boiler rental and service company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  SSM Industries, INCssmi.bizHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 134 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Clayton Industriesclaytonindustries.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 134 contacts → |
“Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Titan Contracting And Leasing Co., INCgraywolfindustrial.com HQ: Owensboro, KY, United StatesReported employees: 501-1,000 | Owensboro, KY, United States | 501-1,000 | Exact match | 118 contacts → |
“Specialty Mechanical Contractor Shop & Field Services Design & Engineering Fabrication HRSG/Boiler Manufacturing & Erection Turbine Generator Installation, Repair & Maintenance…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tate Engineering Systems, INCtate.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 117 contacts → |
“For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aerco International, INCaerco.comHQ: Blauvelt, NY, United StatesReported employees: 51-200 | Blauvelt, NY, United States | 51-200 | Exact match | 115 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Helfrich Brothers Boiler Workshbbwinc.com HQ: Lawrence, MA, United StatesReported employees: 51-200 | Lawrence, MA, United States | 51-200 | Exact match | 103 contacts → |
“Our innovative approach, highly-trained team, and square foot facility gives Helfrich Brothers the ability to offer custom turn-key services for our clients.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  California Boilercaliforniaboiler.comHQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 100 contacts → |
“California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Caliper, INCcaliper.netHQ: Virginia Beach, United StatesReported employees: 1,001-5,000 | Virginia Beach, United States | 1,001-5,000 | Exact match | 100 contacts → |
“Emergency & Outage Support Engineering Services Fixed-Price Projects Maintenance Repair Services Onsite Vendor Management Services Staff Augmentation/Temporary Labor Payrolling…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RMR Mechanical LLC And Bodman Services LLCrmrmechanical.com HQ: Cumming, GA, United StatesReported employees: 201-500 | Cumming, GA, United States | 201-500 | Exact match | 96 contacts → |
“RMR Mechanical is an industrial boiler and mechanical contractor.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IT Landesitlandes.com HQ: Harleysville, PA, United StatesReported employees: 51-200 | Harleysville, PA, United States | 51-200 | Exact match | 94 contacts → |
“IT Landes offers a wide range of commercial and industrial mechanical services, including maintenance, on-demand service, and equipment repair and replacement.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Butters-Fetting Co., INCbuttersfetting.com HQ: Milwaukee, WI, United StatesReported employees: 201-500 | Milwaukee, WI, United States | 201-500 | Exact match | 93 contacts → |
“Since starting out on the south side of Milwaukee in 1924, Butters-Fetting has become one of the largest mechanical contractors in the area, providing total mechanical services…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | C&c Boiler Sales & Service, INCccboiler.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 93 contacts → |
“Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Delval Equipmentdelval.com HQ: West Norriton, PA, United StatesReported employees: 51-200 | West Norriton, PA, United States | 51-200 | Exact match | 92 contacts → |
“Delval has provided thousands of packaged boilers to our trusted clients, more than any other supplier in the region.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 900 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Boiler contractors: dataset insights
October 9, 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
894 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 900 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 9, 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 ↗
Questions about this company list
What does Exact match mean for boiler contractors?
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 boiler contractors did RevenueBase find based in the United States?
The saved snapshot records 900 matching company records, 11,829 tracked contacts and 4,246 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 9, 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
Boiler contractors by geography
- Boiler contractors based in Australia
- Boiler contractors based in Belgium
- Boiler contractors based in Brazil
- Boiler contractors based in Canada
- Boiler contractors based in France
- Boiler contractors based in Germany
- Boiler contractors based in India
- Boiler contractors based in Italy
- Boiler contractors based in the Netherlands
- Boiler contractors based in South Africa
- Boiler contractors based in Spain
- Boiler contractors based in Türkiye
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 boiler contractors based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/boiler-contractors/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
Company intelligence · public preview
Top 25 boiler contractors based in the United States
RevenueBase records 900 matching company records for boiler contractors based in the United States, with 11,829 tracked contacts and 4,246 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 9, 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 boiler contractors 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 | Cleaver-Brookscleaverbrooks.com HQ: Thomasville, GA, United StatesReported employees: 1,001-5,000 | Thomasville, GA, United States | 1,001-5,000 | Exact match | 665 contacts → |
“Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Weil-Mclainweil-mclain.com HQ: Burr Ridge, IL, United StatesReported employees: 501-1,000 | Burr Ridge, IL, United States | 501-1,000 | Exact match | 294 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | GEM Incorporatedrlgbuilds.com HQ: Walbridge, OH, United StatesReported employees: 1,001-5,000 | Walbridge, OH, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Raypakraypak.com HQ: Oxnard, United StatesReported employees: 501-1,000 | Oxnard, United States | 501-1,000 | Exact match | 245 contacts → |
“For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Clyde Industriesclyde-industries.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 212 contacts → |
“Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Diamond Power Internationalandritz.com HQ: Lancaster, OH, United StatesReported employees: 201-500 | Lancaster, OH, United States | 201-500 | Exact match | 209 contacts → |
“At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cleaver-Brooks Sales And Servicecbservice.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 198 contacts → |
“Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 193 contacts → |
“R.F.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 168 contacts → |
“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Victory Energy Operations, LLCvictoryenergy.com HQ: Collinsville, OK, United StatesReported employees: 201-500 | Collinsville, OK, United States | 201-500 | Exact match | 167 contacts → |
“Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Newcomb And Companynewcombandcompany.com HQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 163 contacts → |
“Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | WAREwareinc.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 149 contacts → |
“WARE is a commercial and industrial, boiler rental and service company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | SSM Industries, INCssmi.biz HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 134 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Clayton Industriesclaytonindustries.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 134 contacts → |
“Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Titan Contracting And Leasing Co., INCgraywolfindustrial.com HQ: Owensboro, KY, United StatesReported employees: 501-1,000 | Owensboro, KY, United States | 501-1,000 | Exact match | 118 contacts → |
“Specialty Mechanical Contractor Shop & Field Services Design & Engineering Fabrication HRSG/Boiler Manufacturing & Erection Turbine Generator Installation, Repair & Maintenance…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tate Engineering Systems, INCtate.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 117 contacts → |
“For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aerco International, INCaerco.com HQ: Blauvelt, NY, United StatesReported employees: 51-200 | Blauvelt, NY, United States | 51-200 | Exact match | 115 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Helfrich Brothers Boiler Workshbbwinc.com HQ: Lawrence, MA, United StatesReported employees: 51-200 | Lawrence, MA, United States | 51-200 | Exact match | 103 contacts → |
“Our innovative approach, highly-trained team, and square foot facility gives Helfrich Brothers the ability to offer custom turn-key services for our clients.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | California Boilercaliforniaboiler.com HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 100 contacts → |
“California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Caliper, INCcaliper.net HQ: Virginia Beach, United StatesReported employees: 1,001-5,000 | Virginia Beach, United States | 1,001-5,000 | Exact match | 100 contacts → |
“Emergency & Outage Support Engineering Services Fixed-Price Projects Maintenance Repair Services Onsite Vendor Management Services Staff Augmentation/Temporary Labor Payrolling…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RMR Mechanical LLC And Bodman Services LLCrmrmechanical.com HQ: Cumming, GA, United StatesReported employees: 201-500 | Cumming, GA, United States | 201-500 | Exact match | 96 contacts → |
“RMR Mechanical is an industrial boiler and mechanical contractor.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IT Landesitlandes.com HQ: Harleysville, PA, United StatesReported employees: 51-200 | Harleysville, PA, United States | 51-200 | Exact match | 94 contacts → |
“IT Landes offers a wide range of commercial and industrial mechanical services, including maintenance, on-demand service, and equipment repair and replacement.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Butters-Fetting Co., INCbuttersfetting.com HQ: Milwaukee, WI, United StatesReported employees: 201-500 | Milwaukee, WI, United States | 201-500 | Exact match | 93 contacts → |
“Since starting out on the south side of Milwaukee in 1924, Butters-Fetting has become one of the largest mechanical contractors in the area, providing total mechanical services…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | C&c Boiler Sales & Service, INCccboiler.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 93 contacts → |
“Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Delval Equipmentdelval.com HQ: West Norriton, PA, United StatesReported employees: 51-200 | West Norriton, PA, United States | 51-200 | Exact match | 92 contacts → |
“Delval has provided thousands of packaged boilers to our trusted clients, more than any other supplier in the region.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 900 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Boiler contractors: dataset insights
October 9, 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
894 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 900 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 9, 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 ↗
Questions about this company list
What does Exact match mean for boiler contractors?
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 boiler contractors did RevenueBase find based in the United States?
The saved snapshot records 900 matching company records, 11,829 tracked contacts and 4,246 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 9, 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
Boiler contractors by geography
- Boiler contractors based in Australia
- Boiler contractors based in Belgium
- Boiler contractors based in Brazil
- Boiler contractors based in Canada
- Boiler contractors based in France
- Boiler contractors based in Germany
- Boiler contractors based in India
- Boiler contractors based in Italy
- Boiler contractors based in the Netherlands
- Boiler contractors based in South Africa
- Boiler contractors based in Spain
- Boiler contractors based in Türkiye
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 boiler contractors based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/boiler-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗