Company lists · Data refreshed November 2026

Top 25 Self-limiting heaters suppliers based in the United States

RevenueBase identified 152 company matches for self-limiting heaters suppliers associated with the United States as of November 2026 and tracks 4,380 professional contacts across them, including 1,411 with verified work emails. Houston is the largest hub.

This list covers company matches for self-limiting 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 1, 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 1, 2026 How this list was built
152Companies
4,380Contacts tracked
1,411Verified emails
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The 25 largest self-limiting heaters suppliers based in the United States

Ranked by team size
Top 25 of 152 company matches for self-limiting heaters suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 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 1, 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 1, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 1, 20261,001-5,000878 contacts →

Exact match

“Raychem is a world-leading provider of heat-trace management systems for infrastructure, industrial, commercial and residential buildings, with operations globally.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
3Exact matchPittsburgh, PA, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
4Exact matchBennettsville, SC, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
5Exact matchColumbus, OH, United StatesHQ recorded Nov 1, 2026201-500161 contacts →

Exact match

“With a broad range of experience in solving customers’ applications for viscosity control, condensation prevention, process heat, and freeze protection, BriskHeat is a worldwide…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
6Exact matchCookeville, TN, United StatesHQ recorded Nov 1, 20261,001-5,000123 contacts →

Exact match

“Founded in 1938, Tutco has quickly grown into a global leader in the heating component industry.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
7Exact matchWaukesha, WI, United StatesHQ recorded Nov 1, 202651-200112 contacts →

Exact match

“Hydro-Thermal helps global manufacturers maintain product quality by heating liquids and process fluids reliably and to precise temperatures for a multitude of direct steam…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
8Exact matchWood Dale, IL, United StatesHQ recorded Nov 1, 2026201-50081 contacts →

Exact match

“Founded in 1972, Tempco is a trusted manufacturer and designer specializing in high-quality electric heating elements, temperature sensors, and power control products for…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchSeattle, WA, United StatesHQ recorded Nov 1, 202651-20080 contacts →

Exact match

“Why King?”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchMarietta, GA, United StatesHQ recorded Nov 1, 202651-20076 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
11Exact matchChattanooga, TN, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
12Exact matchBattle Creek, MI, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 1, 20261,001-5,00043 contacts →

Exact match

“nVent RAYCHEM is a world-leading provider of heat-trace management systems for infrastructure, industrial, commercial and residential buildings, with operations globally.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchOklahoma City, OK, United StatesHQ recorded Nov 1, 202651-20035 contacts →

Exact match

“Since 1918 Federal has been a leading thermal solutions provider in the Midwest.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchChula Vista, CA, United StatesHQ recorded Nov 1, 20261,001-5,00030 contacts →

Exact match

“SJH Inc is one of the world's largest producers of electric heating elements.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchTulsa, OK, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
17Exact matchArden, NC, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
18Exact matchPorter, ME, United StatesHQ recorded Nov 1, 202651-20024 contacts →

Exact match

“Founded in 1927, Vulcan Electric is a leader in engineering and manufacturing electric heating elements, heater assemblies, and temperature sensor solutions.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchCharlotte, NC, United StatesHQ recorded Nov 1, 202611-5017 contacts →

Exact match

“QMax Industries, Inc.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchFort Wayne, IN, United StatesHQ recorded Nov 1, 202611-5017 contacts →

Exact match

“Calienté is an innovative and inventive designer and manufacturer of pad heating and mat heating style elements and heater foils for thin, “green” spot heating, including battery…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchFortville, IN, United StatesHQ recorded Nov 1, 202611-5016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchKent, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
23Exact matchMaysville, KY, United StatesHQ recorded Nov 1, 202611-5015 contacts →

Exact match

“At Glenro Inc, we have been providing top-notch engineering solutions for process heating for over 65 years.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchHamilton, NJ, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Nov 1, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 152 self-limiting heaters suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,411 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Self-limiting heaters suppliers based in the United States at a glance

As of Nov 1, 2026
32.2%Verified-email coverage
28.8Average contacts per company
11-50Median size (employees)
3.3%Largest-city concentration · Houston
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
64
11-50
59
51-200
16
201-500
5
501-1,000
2
1,001-5,000
6

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 152 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 “self-limiting 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 1,411 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 1, 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 “self-limiting heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many self-limiting heaters suppliers are there based in the United States?

RevenueBase identified 152 company matches for self-limiting 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 self-limiting heaters suppliers?

Houston leads with 5 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 1,411 professional contacts with verified work emails tracked across these 152 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 1, 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.