Company lists · Data refreshed September 2026
Top 25 Attic insulation contractors worldwide
RevenueBase identified 2,416 company matches for attic insulation contractors worldwide as of September 2026 and tracks 15,837 professional contacts across them, including 4,026 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for attic insulation contractors 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 September 30, 2026. Country and city lists for attic insulation contractors 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.
The 25 largest attic insulation contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,561 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 955 contacts → | ||||
Exact match “Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 356 contacts → | ||||
Exact match “At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 198 contacts → | ||||
Exact match “Eurocombles, isoler vos combles, garages et caves à seulement 1€!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 169 contacts → | ||||
Exact match “Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 168 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 159 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 147 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 146 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 105 contacts → | ||||
Exact match “Chaparral Insulation has proudly served the mechanical insulation industry for more than 30 years.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 104 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 98 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 96 contacts → | ||||
Exact match “Takkenkamp Vastgoed Verduurzamers kent een voorgeschiedenis van meer dan 85 jaar.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 74 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 70 contacts → | ||||
Exact match “We are one of the UK's largest providers of insulation services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 68 contacts → | ||||
Exact match “Attic Projects is a one-stop shop for all of your insulation and attic needs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 61 contacts → | ||||
Exact match “Austrotherm ist Spezialist für hocheffiziente, klimaschützende Dämmlösungen vom Keller bis zum Dach.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 60 contacts → | ||||
Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 53 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 53 contacts → | ||||
Exact match “Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 52 contacts → | ||||
Exact match “American Residential Products is a full service insulation company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 52 contacts → | ||||
Exact match “ROTH GRUPPE – Isolationen.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 51 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 51 contacts → | ||||
Exact match “Nederland Isoleert: het snelst groeiende Isolatiebedrijf in Nederland!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 48 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “attic insulation contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,416 attic insulation contractors worldwide
See the full list, filter by size, metro and specialty, and access 4,026 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Attic insulation contractors worldwide at a glance
As of Sep 30, 2026Companies by employee count
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 contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “attic 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. 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 4,026 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 September 30, 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 contractors by location
9 lists · largest firstEvery Attic insulation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Attic insulation contractors based in the United States950
- Attic insulation contractors based in France286
- Attic insulation contractors based in the United Kingdom218
- Attic insulation contractors based in Canada131
- Attic insulation contractors based in the Netherlands130
- Attic insulation contractors based in Australia48
- Attic insulation contractors based in Belgium37
- Attic insulation contractors based in Ireland33
- Attic insulation contractors based in New Zealand26
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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many attic insulation contractors are there worldwide?
RevenueBase identified 2,416 company matches for attic insulation contractors worldwide as of September 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 contractors?
The United States leads with 950 companies, followed by France (286) and the United Kingdom (218). Every attic insulation contractors list by country and city is linked on this page.
Which city has the most attic insulation contractors?
London leads with 13 company records, followed by Austin (12) and Houston (12).
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 4,026 professional contacts with verified work emails tracked across these 2,416 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 September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,416 attic insulation contractors worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 attic insulation contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,416 matching company records for attic insulation contractors worldwide, with 15,837 tracked contacts and 4,026 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 attic insulation contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Truteamtruteam.comHQ: Daytona Beach, FL, United StatesReported employees: 10001+ | Daytona Beach, FL, United States | 10001+ | Exact match | 1,561 contacts → |
“TruTeam is the nation’s largest insulation installer and we also install fireplaces, gutters, garage doors and more.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kingspan Insulationkingspan.comHQ: Leominster, United StatesReported employees: 1,001-5,000 | Leominster, United States | 1,001-5,000 | Exact match | 955 contacts → |
“Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Homeworks Energy, INChomeworksenergy.com HQ: Medford, MA, United StatesReported employees: 201-500 | Medford, MA, United States | 201-500 | Exact match | 356 contacts → |
“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eurocombles By Opnreurocombles.fr HQ: Solaize, FranceReported employees: Not recorded | Solaize, France | Not recorded | Exact match | 198 contacts → |
“Eurocombles, isoler vos combles, garages et caves à seulement 1€!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | USA Insulationusainsulation.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 169 contacts → |
“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 168 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | GSM Servicesgsmsince1927.com HQ: Gastonia, NC, United StatesReported employees: 201-500 | Gastonia, NC, United States | 201-500 | Exact match | 159 contacts → |
“For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fletcher Insulationinsulation.com.au HQ: Dandenong South, AustraliaReported employees: 201-500 | Dandenong South, Australia | 201-500 | Exact match | 147 contacts → |
“Fletcher Insulation stands as a leading Australian manufacturer, distributor, and technical support provider for the building construction industry in insulation.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | RP Francerpfrance.fr HQ: Poitiers, FranceReported employees: 201-500 | Poitiers, France | 201-500 | Exact match | 146 contacts → |
“Le Groupe RP FRANCE a pour métier premier l'amélioration et la rénovation de l'habitat (isolation des combles, couverture, charpente, façade, ventilation.).” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Chaparral Companychaparralco.comHQ: Waco, TX, United StatesReported employees: 1,001-5,000 | Waco, TX, United States | 1,001-5,000 | Exact match | 105 contacts → |
“Chaparral Insulation has proudly served the mechanical insulation industry for more than 30 years.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Instagroup LTDinstagroup.co.uk HQ: Finchampstead, United KingdomReported employees: 51-200 | Finchampstead, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Koala Insulationkoalainsulation.com HQ: Melbourne, FL, United StatesReported employees: 11-50 | Melbourne, FL, United States | 11-50 | Exact match | 98 contacts → |
“Our mission is to deliver efficiency and improve comfort by addressing customer priorities, with expertise and simplicity, for an ultimately painless process.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Takkenkamp Vastgoed Verduurzamerstakkenkamp.com HQ: Apeldoorn, NetherlandsReported employees: 501-1,000 | Apeldoorn, Netherlands | 501-1,000 | Exact match | 96 contacts → |
“Takkenkamp Vastgoed Verduurzamers kent een voorgeschiedenis van meer dan 85 jaar.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OJ Insulationojinc.com HQ: Azusa, CA, United StatesReported employees: 201-500 | Azusa, CA, United States | 201-500 | Exact match | 74 contacts → |
“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 description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  A&m Insulations A&m Energy Solutionsam-energy.comHQ: Rainford, United KingdomReported employees: 51-200 | Rainford, United Kingdom | 51-200 | Exact match | 70 contacts → |
“We are one of the UK's largest providers of insulation services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Attic Projectsatticprojectscompany.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 68 contacts → |
“Attic Projects is a one-stop shop for all of your insulation and attic needs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Austrotherm Gmbhaustrotherm.atHQ: Waldegg/wopfing, AustriaReported employees: 201-500 | Waldegg/wopfing, Austria | 201-500 | Exact match | 61 contacts → |
“Austrotherm ist Spezialist für hocheffiziente, klimaschützende Dämmlösungen vom Keller bis zum Dach.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Hello.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MAX Energy LTDmaxenergy.direct HQ: Leicester, United KingdomReported employees: 201-500 | Leicester, United Kingdom | 201-500 | Exact match | 53 contacts → |
“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 description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Nelson Companiesnelsoninsulation.com HQ: Lake Zurich, IL, United StatesReported employees: 51-200 | Lake Zurich, IL, United States | 51-200 | Exact match | 53 contacts → |
“Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | American Residential Productsarpinsulation.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 52 contacts → |
“American Residential Products is a full service insulation company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Roth Gruppe AGrothgruppe.ch HQ: 4563, SwitzerlandReported employees: 201-500 | 4563, Switzerland | 201-500 | Exact match | 52 contacts → |
“ROTH GRUPPE – Isolationen.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brightr NZbrightr.co.nz HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 51 contacts → |
“Brightr is here to make New Zealand lives better, one home at a time – and that’s got to be a positive thing.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Nederland Isoleert BVnederlandisoleert.nl HQ: Amersfoort, NetherlandsReported employees: 201-500 | Amersfoort, Netherlands | 201-500 | Exact match | 51 contacts → |
“Nederland Isoleert: het snelst groeiende Isolatiebedrijf in Nederland!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Inzone Industries Limitedinzoneindustries.co.nz HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 48 contacts → |
“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 description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,416 company matches
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Attic insulation contractors: dataset insights
September 30, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,361 records in the displayed employee bands.
55 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,416 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 30, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Attic insulation contractors by location
9 lists · largest firstEvery Attic insulation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Attic insulation contractors based in the United States950
- Attic insulation contractors based in France286
- Attic insulation contractors based in the United Kingdom218
- Attic insulation contractors based in Canada131
- Attic insulation contractors based in the Netherlands130
- Attic insulation contractors based in Australia48
- Attic insulation contractors based in Belgium37
- Attic insulation contractors based in Ireland33
- Attic insulation contractors based in New Zealand26
Questions about this company list
What does Exact match mean for attic insulation contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many attic insulation contractors did RevenueBase find worldwide?
The saved snapshot records 2,416 matching company records, 15,837 tracked contacts and 4,026 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 30, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 attic insulation contractors worldwide. Snapshot: September 30, 2026. https://revenuebase.ai/companies/browse/attic-insulation-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 attic insulation contractors worldwide
RevenueBase records 2,416 matching company records for attic insulation contractors worldwide, with 15,837 tracked contacts and 4,026 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 attic insulation contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Truteamtruteam.com HQ: Daytona Beach, FL, United StatesReported employees: 10001+ | Daytona Beach, FL, United States | 10001+ | Exact match | 1,561 contacts → |
“TruTeam is the nation’s largest insulation installer and we also install fireplaces, gutters, garage doors and more.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kingspan Insulationkingspan.com HQ: Leominster, United StatesReported employees: 1,001-5,000 | Leominster, United States | 1,001-5,000 | Exact match | 955 contacts → |
“Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Homeworks Energy, INChomeworksenergy.com HQ: Medford, MA, United StatesReported employees: 201-500 | Medford, MA, United States | 201-500 | Exact match | 356 contacts → |
“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eurocombles By Opnreurocombles.fr HQ: Solaize, FranceReported employees: Not recorded | Solaize, France | Not recorded | Exact match | 198 contacts → |
“Eurocombles, isoler vos combles, garages et caves à seulement 1€!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | USA Insulationusainsulation.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 169 contacts → |
“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 168 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | GSM Servicesgsmsince1927.com HQ: Gastonia, NC, United StatesReported employees: 201-500 | Gastonia, NC, United States | 201-500 | Exact match | 159 contacts → |
“For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fletcher Insulationinsulation.com.au HQ: Dandenong South, AustraliaReported employees: 201-500 | Dandenong South, Australia | 201-500 | Exact match | 147 contacts → |
“Fletcher Insulation stands as a leading Australian manufacturer, distributor, and technical support provider for the building construction industry in insulation.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | RP Francerpfrance.fr HQ: Poitiers, FranceReported employees: 201-500 | Poitiers, France | 201-500 | Exact match | 146 contacts → |
“Le Groupe RP FRANCE a pour métier premier l'amélioration et la rénovation de l'habitat (isolation des combles, couverture, charpente, façade, ventilation.).” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Chaparral Companychaparralco.com HQ: Waco, TX, United StatesReported employees: 1,001-5,000 | Waco, TX, United States | 1,001-5,000 | Exact match | 105 contacts → |
“Chaparral Insulation has proudly served the mechanical insulation industry for more than 30 years.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Instagroup LTDinstagroup.co.uk HQ: Finchampstead, United KingdomReported employees: 51-200 | Finchampstead, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Koala Insulationkoalainsulation.com HQ: Melbourne, FL, United StatesReported employees: 11-50 | Melbourne, FL, United States | 11-50 | Exact match | 98 contacts → |
“Our mission is to deliver efficiency and improve comfort by addressing customer priorities, with expertise and simplicity, for an ultimately painless process.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Takkenkamp Vastgoed Verduurzamerstakkenkamp.com HQ: Apeldoorn, NetherlandsReported employees: 501-1,000 | Apeldoorn, Netherlands | 501-1,000 | Exact match | 96 contacts → |
“Takkenkamp Vastgoed Verduurzamers kent een voorgeschiedenis van meer dan 85 jaar.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OJ Insulationojinc.com HQ: Azusa, CA, United StatesReported employees: 201-500 | Azusa, CA, United States | 201-500 | Exact match | 74 contacts → |
“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 description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | A&m Insulations A&m Energy Solutionsam-energy.com HQ: Rainford, United KingdomReported employees: 51-200 | Rainford, United Kingdom | 51-200 | Exact match | 70 contacts → |
“We are one of the UK's largest providers of insulation services.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Attic Projectsatticprojectscompany.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 68 contacts → |
“Attic Projects is a one-stop shop for all of your insulation and attic needs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Austrotherm Gmbhaustrotherm.at HQ: Waldegg/wopfing, AustriaReported employees: 201-500 | Waldegg/wopfing, Austria | 201-500 | Exact match | 61 contacts → |
“Austrotherm ist Spezialist für hocheffiziente, klimaschützende Dämmlösungen vom Keller bis zum Dach.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Hello.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MAX Energy LTDmaxenergy.direct HQ: Leicester, United KingdomReported employees: 201-500 | Leicester, United Kingdom | 201-500 | Exact match | 53 contacts → |
“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 description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Nelson Companiesnelsoninsulation.com HQ: Lake Zurich, IL, United StatesReported employees: 51-200 | Lake Zurich, IL, United States | 51-200 | Exact match | 53 contacts → |
“Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | American Residential Productsarpinsulation.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 52 contacts → |
“American Residential Products is a full service insulation company.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Roth Gruppe AGrothgruppe.ch HQ: 4563, SwitzerlandReported employees: 201-500 | 4563, Switzerland | 201-500 | Exact match | 52 contacts → |
“ROTH GRUPPE – Isolationen.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brightr NZbrightr.co.nz HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 51 contacts → |
“Brightr is here to make New Zealand lives better, one home at a time – and that’s got to be a positive thing.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Nederland Isoleert BVnederlandisoleert.nl HQ: Amersfoort, NetherlandsReported employees: 201-500 | Amersfoort, Netherlands | 201-500 | Exact match | 51 contacts → |
“Nederland Isoleert: het snelst groeiende Isolatiebedrijf in Nederland!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Inzone Industries Limitedinzoneindustries.co.nz HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 48 contacts → |
“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 description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Attic insulation contractors: dataset insights
September 30, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,361 records in the displayed employee bands.
55 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,416 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 30, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Attic insulation contractors by location
9 lists · largest firstEvery Attic insulation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Attic insulation contractors based in the United States950
- Attic insulation contractors based in France286
- Attic insulation contractors based in the United Kingdom218
- Attic insulation contractors based in Canada131
- Attic insulation contractors based in the Netherlands130
- Attic insulation contractors based in Australia48
- Attic insulation contractors based in Belgium37
- Attic insulation contractors based in Ireland33
- Attic insulation contractors based in New Zealand26
Questions about this company list
What does Exact match mean for attic insulation contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many attic insulation contractors did RevenueBase find worldwide?
The saved snapshot records 2,416 matching company records, 15,837 tracked contacts and 4,026 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 30, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 attic insulation contractors worldwide. Snapshot: September 30, 2026. https://revenuebase.ai/companies/browse/attic-insulation-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗