Company lists · Data refreshed November 2026

Top 25 Industrial insulation contractors based in the United States

RevenueBase identified 2,260 company matches for industrial insulation contractors associated with the United States as of November 2026 and tracks 50,463 professional contacts across them, including 13,873 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial insulation contractors 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 6, 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 6, 2026 How this list was built
2,260Companies
50,463Contacts tracked
13,873Verified emails
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The 25 largest industrial insulation contractors based in the United States

Ranked by team size
Top 25 of 2,260 company matches for industrial insulation contractors based in the United States, 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 matchLenexa, KS, United StatesHQ recorded Nov 6, 20265,001-10,0003,647 contacts →

Exact match

“Performance Contracting Inc.(PCI) is one of the leading specialty contractors in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+3,364 contacts →

Exact match

“The Brock Group is a leading provider of industrial specialty services to clients around the world, with headquarters in Houston, TX, and operating units in Canada, the United…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBaton Rouge, NC, United StatesHQ recorded Nov 6, 20261,001-5,0003,119 contacts →

Exact match

“We began as a merit shop general industrial contractor back in 1979.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDaytona Beach, FL, United StatesHQ recorded Nov 6, 202610001+1,608 contacts →

Exact match

“TruTeam is the nation’s largest insulation installer and we also install fireplaces, gutters, garage doors and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNorwalk, CT, United StatesHQ recorded Nov 6, 202610001+1,493 contacts →

Exact match

“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFond Du Lac, WI, United StatesHQ recorded Nov 6, 20261,001-5,000915 contacts →

Exact match

“Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDaytona Beach, FL, United StatesHQ recorded Nov 6, 2026n/a671 contacts →

Exact match

“TopBuild is now QXO.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNorthbrook, IL, United StatesHQ recorded Nov 6, 20261,001-5,000606 contacts →

Exact match

“At F.E.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,000517 contacts →

Exact match

“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCharlotte, CT, United StatesHQ recorded Nov 6, 20261,001-5,000502 contacts →

Exact match

“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFort Worth, AZ, United StatesHQ recorded Nov 6, 2026501-1,000457 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-200423 contacts →

Exact match

“Sto is an international technology leader in the design and production of innovative building materials tailored to human needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTonawanda, NY, United StatesHQ recorded Nov 6, 2026501-1,000420 contacts →

Exact match

“We are powered by the best people in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 20261,001-5,000416 contacts →

Exact match

“Meeting industry’s soft-craft demands is what makes Excel a true leader.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMarietta, NC, United StatesHQ recorded Nov 6, 2026501-1,000358 contacts →

Exact match

“With over a quarter-century of experience in commercial insulation, waterproofing, spray fireproofing, spray foam insulation, and restoration, Alpha has served as the benchmark…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMedford, MA, United StatesHQ recorded Nov 6, 2026501-1,000340 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchKaukauna, MN, United StatesHQ recorded Nov 6, 2026201-500318 contacts →

Exact match

“Bassett Mechanical provides complete design, engineering, fabrication, installation, and preventative maintenance service solutions for all our customer’s industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSt. Paul, CA, United StatesHQ recorded Nov 6, 2026501-1,000283 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWalbridge, OH, United StatesHQ recorded Nov 6, 20261,001-5,000279 contacts →

Exact match

“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000274 contacts →

Exact match

“BRACE Integrated Services, a BRACE Industrial Group company, is a nationwide specialty contractor and turn-key supplier of scaffolding, insulation, fireproofing, heat tracing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRichmond, CO, United StatesHQ recorded Nov 6, 20261,001-5,000262 contacts →

Exact match

“For more than a century, JT Thorpe has been a trusted name in the industry, consistently delivering exceptional industrial services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUnion, IL, United StatesHQ recorded Nov 6, 2026501-1,000255 contacts →

Exact match

“Headquartered in Union, Missouri, hth companies, inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWilmington, MA, United StatesHQ recorded Nov 6, 2026201-500248 contacts →

Exact match

“Homans Associates is the premier distributor of HVAC Equipment, Supplies and Mechanical Insulation products in the Northeast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKennesaw, GA, United StatesHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSellersburg, CA, United StatesHQ recorded Nov 6, 20261,001-5,000239 contacts →

Exact match

“A trusted industrial contractor since 1974, we at Petrochem provide multi-craft services to industrial and commercial clients nationwide.”

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

Showing 25 of 2,260 industrial insulation contractors based in the United States

See the full list, filter by size, metro and specialty, and access 13,873 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial insulation contractors based in the United States at a glance

As of Nov 6, 2026
27.5%Verified-email coverage
22.3Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
830
11-50
897
51-200
333
201-500
92
501-1,000
34
1,001-5,000
34
5,001-10,000
5
10001+
7

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 2,260 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 “industrial insulation contractors” 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 13,873 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.

Industrial insulation contractors by metro

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 “industrial insulation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial insulation contractors are there based in the United States?

RevenueBase identified 2,260 company matches for industrial insulation contractors 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?

Performance Contracting, Inc. PCI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most industrial insulation contractors?

Houston leads with 48 company records, followed by Phoenix (17) and Columbus (15).

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 13,873 professional contacts with verified work emails tracked across these 2,260 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.

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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.