Company lists · Data refreshed September 2026

Top 25 Steam generation equipment makers based in the United States

RevenueBase identified 157 company matches for steam generation equipment makers associated with the United States as of September 2026 and tracks 10,618 professional contacts across them, including 3,314 with verified work emails. Houston is the largest hub.

This list covers company matches for steam generation equipment makers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
157Companies
10,618Contacts tracked
3,314Verified emails
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The 25 largest steam generation equipment makers based in the United States

Ranked by team size
Top 25 of 157 company matches for steam generation equipment makers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchSan Diego, CA, United StatesHQ recorded Sep 22, 20265,001-10,0004,893 contacts →

Exact match

“Headquartered in San Diego, California, USA, Solar Turbines Incorporated, a subsidiary of Caterpillar Inc, is one of the world’s leading manufacturers of industrial gas turbines…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchSedalia, MO, United StatesHQ recorded Sep 22, 2026501-1,000749 contacts →

Exact match

“PROENERGY is an engineering, R&D, and manufacturing powerhouse.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchThomasville, GA, United StatesHQ recorded Sep 22, 20261,001-5,000631 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 · Sep 22, 2026 · View company records in RevenueBase
4Exact matchLouisville, KY, United StatesHQ recorded Sep 22, 2026201-500209 contacts →

Exact match

“Vogt Power International Inc, headquartered in Louisville, Kentucky, is a global leader in the design, manufacturing, and supply of Heat Recovery Steam Generators (HRSGs) and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchWest Allis, WI, United StatesHQ recorded Sep 22, 2026201-500208 contacts →

Exact match

“Toshiba America Energy Systems Corporation (TAES), headquartered in Milwaukee, Wisconsin, with major manufacturing and services, provides turbine/generator equipment and services…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchSt. Louis, MO, United StatesHQ recorded Sep 22, 2026201-500198 contacts →

Exact match

“Nooter/Eriksen, the world's leading independent supplier of Natural Circulation Heat Recovery Steam Generators (HRSG) behind gas turbines, is a single source supplier of custom…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Sep 22, 2026201-500193 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 · Sep 22, 2026 · View company records in RevenueBase
8Exact matchPulaski, NY, United StatesHQ recorded Sep 22, 2026501-1,000171 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 · Sep 22, 2026 · View company records in RevenueBase
9Exact matchCollinsville, OK, United StatesHQ recorded Sep 22, 2026201-500162 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 · Sep 22, 2026 · View company records in RevenueBase
10Exact matchCity Of Industry, CA, United StatesHQ recorded Sep 22, 202651-200132 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 · Sep 22, 2026 · View company records in RevenueBase
11Exact matchKennesaw, GA, United StatesHQ recorded Sep 22, 202651-200112 contacts →

Exact match

“Established in 1978, ESI is a design, engineering, and construction firm that specializes in steam and power generation facilities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchOrlando, FL, United StatesHQ recorded Sep 22, 202651-200111 contacts →

Exact match

“Power Generation Manufacturing and Engineering.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchAddison, TX, United StatesHQ recorded Sep 22, 202651-200106 contacts →

Exact match

“Forney® has maintained its position as a leader in power plant and large industrial systems for more than 90 years by designing, manufacturing, installing and servicing the most…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchDanbury, CT, United StatesHQ recorded Sep 22, 202651-200104 contacts →

Exact match

“Preferred Utilities Manufacturing Corporation is an engineering-based manufacturer of products for commercial, institutional, industrial and nuclear power facilities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchWest Norriton, PA, United StatesHQ recorded Sep 22, 202651-20092 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 · Sep 22, 2026 · View company records in RevenueBase
16Exact matchSan Juan, United StatesHQ recorded Sep 22, 202651-20092 contacts →

Exact match

“Somos una compañía formada por profesionales altamente calificados, fundada en el año 2010 con más de 10 años de experiencia en el mercado, dedicados a la Fabricación, Diseño…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchHutchinson, KS, United StatesHQ recorded Sep 22, 202651-20081 contacts →

Exact match

“Superior Boiler provides engineered energy solutions and is a leader in clean air emissions technology.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchMinnetonka, MN, United StatesHQ recorded Sep 22, 202651-20080 contacts →

Exact match

“We are a power plant technical services and products company specializing in Heat Recovery Steam Generators (HRSGs), waste heat boilers and smaller gas/oil-fired power boilers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchPittsburgh, PA, United StatesHQ recorded Sep 22, 202611-5075 contacts →

Exact match

“PCC’s mission is to apply our know-how with confidence to design, supply and service high-tech, energy-efficient, dependable combustion and pollution control systems that provide…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchCoolidge, GA, United StatesHQ recorded Sep 22, 2026201-50073 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchAbilene, TX, United StatesHQ recorded Sep 22, 2026201-50064 contacts →

Exact match

“RENTECH was founded in 1996 to build boilers for people who know and care.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchMulberry, FL, United StatesHQ recorded Sep 22, 202651-20058 contacts →

Exact match

“Progen is on the leading edge of innovative rapid response solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 22, 202651-20054 contacts →

Exact match

“Gaumer Process is a leading designer and manufacturer of electric heaters, controls and engineered systems for the power generation and oil & gas industries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchFremont, CA, United StatesHQ recorded Sep 22, 202651-20054 contacts →

Exact match

“Since 1967 Nationwide Boiler has provided reliable rental boilers to process steam users across the globe.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchMiami, FL, United StatesHQ recorded Sep 22, 202651-20052 contacts →

Exact match

“Tradewinds can design and supply a wide variety of electrical generating equipment in the 9KW to 750KW range including emergency, prime power and cogeneration systems for…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 157 steam generation equipment makers based in the United States

See the full list, filter by size, metro and specialty, and access 3,314 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Steam generation equipment makers based in the United States at a glance

As of Sep 22, 2026
31.2%Verified-email coverage
67.6Average contacts per company
11-50Median size (employees)
3.2%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
55
51-200
42
201-500
13
501-1,000
2
1,001-5,000
2
5,001-10,000
1

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 157 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 “steam generation equipment makers” 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 3,314 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 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 “steam generation equipment makers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many steam generation equipment makers are there based in the United States?

RevenueBase identified 157 company matches for steam generation equipment makers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Solar Turbines tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most steam generation equipment makers?

Houston leads with 5 company records, followed by Los Angeles (4) and Tulsa (4).

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 3,314 professional contacts with verified work emails tracked across these 157 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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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.