Company lists · Data refreshed November 2026

Top 18 Heat installed inserts suppliers based in the United States

RevenueBase identified 41 company matches for heat installed inserts suppliers associated with the United States as of November 2026 and tracks 465 professional contacts across them, including 74 with verified work emails. Mentor is the largest hub.

This list covers company matches for heat installed inserts 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 5, 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 5, 2026 How this list was built
41Companies
465Contacts tracked
74Verified emails
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The 18 largest heat installed inserts suppliers based in the United States

Ranked by team size
Top 18 of 41 company matches for heat installed inserts suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchBattle Creek, MI, United StatesHQ recorded Nov 5, 202651-20070 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 5, 2026 · View company records in RevenueBase
2Exact matchBatavia, IL, United StatesHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“ASH Equipment is your home for quality industrial products that bring your manufacturing processes and temperature-controlled systems to life.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchCheshire, CT, United StatesHQ recorded Nov 5, 20261-1010 contacts →

Exact match

“INDUSTRIAL HEATER is a plastics company based out of 30 Knotter Dr, Cheshire, CT, United States.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchDanbury, CT, United StatesHQ recorded Nov 5, 20261-105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMentor, OH, United StatesHQ recorded Nov 5, 202611-505 contacts →

Exact match

“Optimized for short runs, we are your one stop shop for immersion and air process electric heaters.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchShelby Township, MI, United StatesHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Since 1976, through aggressive leadership, team work and dedication, Tucker Induction Systems has provided world class excellence in quality, service and delivery.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 5, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBrooklyn Heights, OH, United StatesHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Spectrum, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchEscondido, CA, United StatesHQ recorded Nov 5, 202611-503 contacts →

Exact match

“Assembly Supplies, Co.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchCookeville, TN, United StatesHQ recorded Nov 5, 2026501-1,0003 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchWarren, MI, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“International Radiant has years of experience and success in tackling the hardest to heat areas of any industrial or commercial building with great success.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchTucson, AZ, United StatesHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Glo-Quartz® Incorporated is a family owned business that has been manufacturing Industrial Heating Equipment since 1952.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchClearfield, UT, United StatesHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Gordo Sales is the one stop shop for all things industrial heat related.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBurr Ridge, IL, United StatesHQ recorded Nov 5, 20261-102 contacts →

Exact match

“We sell a variety of heaters: air, immersion, oil tank ET series, cartridge, foil, strip, silicone, metric, ceramic, sinking de-icer's, band, tubular, drum, glasrope, compressor…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchGrass Valley, CA, United StatesHQ recorded Nov 5, 202611-501 contacts →

Exact match

“YOUR ONE-STOP SOURCE FOR CUSTOM & STANDARD INDUSTRIAL HEATING SOLUTIONS Benchmark Thermal has been the market leading manufacturer of industrial heating elements since 1984.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMilwaukee, WI, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“Up to 73% less than electric, convection, oil or gas heating systems As easy as installing a light fixture No pipes, no ducts, no furnace, no.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchSearsport, ME, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“American Solartechnics (AST) manufactures highly efficient heat storage systems for solar and wood heating.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchCharlotte, NC, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“With over 30 years of factory direct experience and an unparalleled track record for customer satisfaction, Southeast Thermal Systems is proud to provide affordable, high quality…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 18 of 41 heat installed inserts suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 74 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heat installed inserts suppliers based in the United States at a glance

As of Nov 5, 2026
15.9%Verified-email coverage
11.3Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · Mentor
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
15
51-200
3
201-500
1
501-1,000
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 41 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 “heat installed inserts 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 74 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 5, 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 “heat installed inserts suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heat installed inserts suppliers are there based in the United States?

RevenueBase identified 41 company matches for heat installed inserts 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?

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

Which city has the most heat installed inserts suppliers?

Mentor leads with 2 company records, followed by Warren (2) and Arden (1).

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 74 professional contacts with verified work emails tracked across these 41 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 5, 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.