Company lists · Data refreshed November 2026

Top 25 Attic insulation and ventilation companies worldwide

RevenueBase identified 1,561 company matches for attic insulation and ventilation companies worldwide as of November 2026 and tracks 10,474 professional contacts across them, including 2,455 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for attic insulation and ventilation companies worldwide, 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. Country and city lists for attic insulation and ventilation companies follow the table.

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
1,561Companies
10,474Contacts tracked
2,455Verified emails
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The 25 largest attic insulation and ventilation companies worldwide

Ranked by team size
Top 25 of 1,561 company matches for attic insulation and ventilation companies worldwide, 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 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
2Exact matchSolaize, FranceHQ recorded Nov 6, 2026n/a217 contacts →

Exact match

“Eurocombles, isoler vos combles, garages et caves à seulement 1€!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGastonia, NC, United StatesHQ recorded Nov 6, 2026201-500169 contacts →

Exact match

“For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPoitiers, FranceHQ recorded Nov 6, 2026201-500169 contacts →

Exact match

“Le Groupe RP FRANCE a pour métier premier l'amélioration et la rénovation de l'habitat (isolation des combles, couverture, charpente, façade, ventilation.).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDandenong South, AustraliaHQ recorded Nov 6, 2026201-500163 contacts →

Exact match

“Fletcher Insulation stands as a leading Australian manufacturer, distributor, and technical support provider for the building construction industry in insulation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWaco, TX, United StatesHQ recorded Nov 6, 20261,001-5,000114 contacts →

Exact match

“Chaparral Insulation has proudly served the mechanical insulation industry for more than 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMelbourne, GA, United StatesHQ recorded Nov 6, 202611-50105 contacts →

Exact match

“Our mission is to deliver efficiency and improve comfort by addressing customer priorities, with expertise and simplicity, for an ultimately painless process.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFinchampstead, United KingdomHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHolly, MI, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Dee Cramer is one of Michigan's most trusted names in heating, cooling and ventilation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAzusa, CA, United StatesHQ recorded Nov 6, 2026201-50075 contacts →

Exact match

“From the start of every project to its completion, we dedicate ourselves to providing you with the superior service that reflects our quality and professionalism.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Diego, WA, United StatesHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Attic Projects is a one-stop shop for all of your insulation and attic needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBorlänge, SwedenHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Isolerab AB erbjuder villaägare en helhetslösning för ett friskare inomhusklimat och lägre energikostnader; Tilläggsisolering, Ventilation och Mögelbehandling.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWaldegg/wopfing, AustriaHQ recorded Nov 6, 2026201-50062 contacts →

Exact match

“Austrotherm ist Spezialist für hocheffiziente, klimaschützende Dämmlösungen vom Keller bis zum Dach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 6, 2026n/a62 contacts →

Exact match

“American Residential Products is a full service insulation company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLeicester, United KingdomHQ recorded Nov 6, 2026201-50060 contacts →

Exact match

“Max Energy Ltd is a UK based new build construction company specialising in the sale of insulation to the new build housing sector on a supply and install basis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAuckland, New ZealandHQ recorded Nov 6, 2026201-50055 contacts →

Exact match

“Brightr is here to make New Zealand lives better, one home at a time – and that’s got to be a positive thing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAuckland, New ZealandHQ recorded Nov 6, 2026201-50053 contacts →

Exact match

“InZone Industries Ltd is a vertically integrated business offering a supply and install service for insulation and other energy efficiency solutions to the residential, commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEdmond, OK, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Red River Roofing, Siding & Windows was founded in Since then we have grown to over 50 full time employees with a fleet of over 35 service trucks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchEnschede, NetherlandsHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“With ThermoSolutions, you will be kept warm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHolywood, IrelandHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Energystore is rethinking construction with free-flowing insulation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNeumarkt Am Wallersee, AustriaHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“As a manufacturer of cellulose insulation and blowing machines in conjunction with the airtightness system developed in house, the company enjoys a unique expert status throughout…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCharleston, MD, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Headquartered in Charleston, SC, and serving the East Coast of the US, Energy One America is committed to providing you with cutting edge energy saving upgrades coupled with an…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBrighouse, United KingdomHQ recorded Nov 6, 20261,001-5,00045 contacts →

Exact match

“Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Energy efficient homes begin with the protective shell around the home called the thermal envelope.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMoerkapelle, NetherlandsHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Isolatiespecialist.nl is een vertrouwde partner voor vele aannemers en woningcorporaties, betrokken bij het isoleren van zowel woningen als bedrijfspanden.”

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

Showing 25 of 1,561 attic insulation and ventilation companies worldwide

See the full list, filter by size, metro and specialty, and access 2,455 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Attic insulation and ventilation companies worldwide at a glance

As of Nov 6, 2026
23.4%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
0.5%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
773
11-50
575
51-200
127
201-500
21
501-1,000
2
1,001-5,000
4
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for attic insulation and ventilation companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “attic insulation and ventilation companies” 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. 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 2,455 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.

Attic insulation and ventilation companies by location

7 lists · largest first

Every Attic insulation and ventilation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “attic insulation and ventilation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many attic insulation and ventilation companies are there worldwide?

RevenueBase identified 1,561 company matches for attic insulation and ventilation companies worldwide 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?

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

Which country has the most attic insulation and ventilation companies?

The United States leads with 658 companies, followed by France (197) and the Netherlands (87). Every attic insulation and ventilation companies list by country and city is linked on this page.

Which city has the most attic insulation and ventilation companies?

Houston leads with 8 company records, followed by London (8) and Paris (8).

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 2,455 professional contacts with verified work emails tracked across these 1,561 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.