Company lists · Data refreshed November 2026

Top 25 Spot heaters suppliers based in the United States

RevenueBase identified 174 company matches for spot heaters suppliers associated with the United States as of November 2026 and tracks 3,785 professional contacts across them, including 1,462 with verified work emails. Chicago is the largest hub.

This list covers company matches for spot heaters suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 2, 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 Nov 2, 2026 How this list was built
174Companies
3,785Contacts tracked
1,462Verified emails
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The 25 largest spot heaters suppliers based in the United States

Ranked by team size
Top 25 of 174 company matches for spot heaters suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchAustin, TX, United StatesHQ recorded Nov 2, 20261,001-5,000960 contacts →

Exact match

“Industrial Process Heating Solutions Through its global network, Thermon provides safe, reliable and innovative mission critical industrial process heating solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchPittsburgh, PA, United StatesHQ recorded Nov 2, 20261,001-5,000654 contacts →

Exact match

“When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchHayward, CA, United StatesHQ recorded Nov 2, 2026201-500193 contacts →

Exact match

“R.F.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchBennettsville, SC, United StatesHQ recorded Nov 2, 2026201-500168 contacts →

Exact match

“Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchValparaiso, IN, United StatesHQ recorded Nov 2, 2026n/a152 contacts →

Exact match

“PHP Distribution has been in business since 1981 as a wholesale distributor serving independent, regional, and national affiliates in rental, construction supply, and event…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Nov 2, 202651-20080 contacts →

Exact match

“Why King?”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchMarietta, GA, United StatesHQ recorded Nov 2, 202651-20076 contacts →

Exact match

“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchChattanooga, TN, United StatesHQ recorded Nov 2, 2026201-50075 contacts →

Exact match

“Manufacturer of heaters, tanks and related products for a wide variety of industries.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchMissouri City, TX, United StatesHQ recorded Nov 2, 202651-20065 contacts →

Exact match

“Since 1977, Willbanks has provided advanced solutions and support for thousands of commercial heating systems and equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchBattle Creek, MI, United StatesHQ recorded Nov 2, 202651-20064 contacts →

Exact match

“Nexthermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchOnalaska, WI, United StatesHQ recorded Nov 2, 202651-20056 contacts →

Exact match

“L.B.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchBloomfield, NJ, United StatesHQ recorded Nov 2, 202611-5050 contacts →

Exact match

“D&B Building Solutions provides world class heating, ventilating, air conditioning and power generation equipment from leading vendors, including Daikin, Alliance Air Products…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Nov 2, 202651-20037 contacts →

Exact match

“Bromic Heating is the only company to design, engineer, and manufacture gas, electric and portable outdoor heating products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchMemphis, TN, United StatesHQ recorded Nov 2, 202611-5032 contacts →

Exact match

“Power Equipment Company (Power Equipment of Memphis) specializes in energy systems and heat generating products, providing the knowledge, products, services and supplies necessary…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchDedham, MA, United StatesHQ recorded Nov 2, 202651-20029 contacts →

Exact match

“MacFarlane Energy's goal is to build long-term relationships with customers who want outstanding customer service and fair treatment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchTulsa, OK, United StatesHQ recorded Nov 2, 202611-5026 contacts →

Exact match

“Tulsa Heaters Midstream is a reliable, flexible heater and combustion company that specializes in the midstream Gas Processing industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchArden, NC, United StatesHQ recorded Nov 2, 202651-20026 contacts →

Exact match

“Tutco-Farnam Custom Products is an industry leading custom electric heating elements manufacturer specializing in air heaters and flexible surface heaters.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchFlint, MI, United StatesHQ recorded Nov 2, 202651-20024 contacts →

Exact match

“SGI Heating and Cooling is a full service heating and cooling company.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Nov 2, 202651-20017 contacts →

Exact match

“G&O Thermal Supply Company was incorporated in the state of Illinois in 1968.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchFortville, IN, United StatesHQ recorded Nov 2, 202611-5016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchKent, United StatesHQ recorded Nov 2, 202611-5016 contacts →

Exact match

“HAPCO Inc is The Master Distributor for BAK Thermoplastic Welding Technology Ag, heat tool sales and service center, in business since 1979.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchBrooklyn, United StatesHQ recorded Nov 2, 202651-20015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchHamilton, NJ, United StatesHQ recorded Nov 2, 202651-20014 contacts →

Exact match

“HOTFOIL Specializing in electric surface heating systems for fly ash hoppers on electrostatic precipitators or baghouses, coal and material handling systems, tanks, pipes, etc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchChaska, MN, United StatesHQ recorded Nov 2, 202651-20014 contacts →

Exact match

“40 Years of renting temporary heating, cooling and drying equipment to general contractors, power distribution and facility managers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchFront Royal, VA, United StatesHQ recorded Nov 2, 202611-5014 contacts →

Exact match

“AirPac is your portable and temporary air conditioning and heating specialists.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 174 spot heaters suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,462 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Spot heaters suppliers based in the United States at a glance

As of Nov 2, 2026
38.6%Verified-email coverage
21.8Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Chicago
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
78
11-50
64
51-200
24
201-500
4
1,001-5,000
3

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 174 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 “spot heaters suppliers” 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 1,462 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 2, 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 “spot heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many spot heaters suppliers are there based in the United States?

RevenueBase identified 174 company matches for spot heaters suppliers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most spot heaters suppliers?

Chicago leads with 3 company records, followed by Warren (3) and Austin (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 1,462 professional contacts with verified work emails tracked across these 174 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 2, 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.