Company lists · Data refreshed November 2026

Top 25 Boiler efficiency testing services worldwide

RevenueBase identified 109 company matches for boiler efficiency testing services worldwide as of November 2026 and tracks 1,569 professional contacts across them, including 605 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for boiler efficiency testing services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for boiler efficiency testing services follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
109Companies
1,569Contacts tracked
605Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest boiler efficiency testing services worldwide

Ranked by team size
Top 25 of 109 company matches for boiler efficiency testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNerac, FranceHQ recorded Nov 6, 2026501-1,000405 contacts →

Exact match

“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLancaster, OH, United StatesHQ recorded Nov 6, 2026201-500216 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAtlanta, United StatesHQ recorded Nov 6, 2026201-500215 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKeighley, United KingdomHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Your industrial boiler is at the heart of your operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNormanton, United KingdomHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRedmond, TN, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 2026501-1,00036 contacts →

Exact match

“Keeping boilers running efficiently is critical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAlbemarle, CO, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“With extensive years in the boiler business, our main office in Houston and with 2 more locations in Corpus Christi and Weslaco, South Texas Boiler is a full service boiler…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBremen, GermanyHQ recorded Nov 6, 20261,001-5,00018 contacts →

Exact match

“SAACKE is ones of the world´s leading companies within boiler repairs, boiler and burner service, spare parts and on-board monitoring technology for the marine industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAndoain, SpainHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“INSTALACIÓN Y MANTENIMIENTO DE CALDERAS DE VAPOR Y QUEMADORES INDUSTRIALES.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLitchfield Park, AZ, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBurnaby, BC, CanadaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPelham, AL, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Boiler, combustion specialists & engineers serving the power industry since 1993.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSt. Francis, WI, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Since 1956, Becker Boiler has been a leading provider of boiler and valve services for industrial and commercial facilities across Milwaukee, Madison, Fox Valley, Greater…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLancaster, PA, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Thermal Solutions Products, LLC has designed the Evolution high efficiency copper-finned boilers and water heaters to meet the needs of today’s commercial heating requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Our knowledgeable service department allows for quick and efficient troubleshooting of your system, to reduce down time of your equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWhittier, CA, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“West Coast Boiler provides boiler sales, 24/7 service, repair, AQMD monitoring, R-Stamp Pressure Vessel Repairs, Maintenance, Parts and Installation for Customers throughout…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMilford, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Moving into our fourth decade, the A.B.L.E Company has been the leading provider of the following services throughout the Northeast: Preventative Maintenance, Repair, Emissions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFlensburg, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Get more than just the standard - Let’s set our goals together We consult, inspect and act Why are your costs increasing?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGendringen, NetherlandsHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Achterhoek Service | CV ketel storing & onderhoud”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Williams Stoker & Heating Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSandyford, IrelandHQ recorded Nov 6, 20261-102 contacts →

Exact match

“when available).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchChicopee, MA, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHaledon, NJ, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 109 boiler efficiency testing services worldwide

See the full list, filter by size, metro and specialty, and access 605 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Boiler efficiency testing services worldwide at a glance

As of Nov 6, 2026
38.6%Verified-email coverage
14.4Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
53
11-50
36
51-200
10
201-500
2
501-1,000
2
1,001-5,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for boiler efficiency testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “boiler efficiency testing 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. 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 605 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Boiler efficiency testing services by location

1 lists · largest first

Every Boiler efficiency testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 efficiency testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many boiler efficiency testing services are there worldwide?

RevenueBase identified 109 company matches for boiler efficiency testing services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Babcock Wanson International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most boiler efficiency testing services?

The United States leads with 30 companies. Every boiler efficiency testing services list by country and city is linked on this page.

Which city has the most boiler efficiency testing services?

Calgary leads with 2 company records, followed by Chicago (2) and Genoa (2).

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 605 professional contacts with verified work emails tracked across these 109 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 109 boiler efficiency testing services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.