Company lists · Data refreshed September 2026

Top 25 Polyisocyanurate insulation manufacturers based in Canada

Name: Polyisocyanurate insulation manufacturers based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 89 companies tracked

RevenueBase identified 89 company matches for polyisocyanurate insulation manufacturers associated with Canada as of September 2026 and tracks 492 professional contacts across them, including 193 with verified work emails. Ottawa is the largest hub.

This list covers company matches for polyisocyanurate insulation manufacturers associated with Canada, 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.

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 Sep 30, 2026 How this list was built

89Companies

492Contacts tracked

193Verified emails

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The 25 largest polyisocyanurate insulation manufacturers based in Canada

Ranked by team size

Top 25 of 89 company matches for polyisocyanurate insulation manufacturers based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Amvic Building System	Exact match	Toronto, ON, CanadaHQ recorded Sep 30, 2026	201-500	51 contacts →
	Exact match “Amvic Building System is an industry-leading manufacturer of expanded polystyrene (EPS) building materials.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Owens Corning Canada	Exact match	Toronto, ON, CanadaHQ recorded Sep 30, 2026	n/a	42 contacts →
	Exact match “If you’re looking for smart, energy-saving insulation solutions, you've come to the right place.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Isolofoam	Exact match	Sainte-marie, QC, CanadaHQ recorded Sep 30, 2026	51-200	41 contacts →
	Exact match “ISOLOFOAM, a Canadian manufacturer of insulation products, contributes to the sustainable nature of a structure through a high-performance vision that combines technical…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	AMC Foam Technologies INC	Exact match	Headingley, MB, CanadaHQ recorded Sep 30, 2026	51-200	22 contacts →
	Exact match “AMC is a Manitoba owned and operated family business, which was founded in 1995 by the late Tom Smerchanski.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	O'reilly Brothers LTD	Exact match	Ottawa, ON, CanadaHQ recorded Sep 30, 2026	11-50	20 contacts →
	Exact match “O'Reilly Brothers is the industry-leading insulation contractor in Eastern Ontario, specializing in sprayed polyurethane foam insulation, blown cellulose insulation, vermiculite…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Greenstone Building Products	Exact match	Brandon, MB, CanadaHQ recorded Sep 30, 2026	51-200	18 contacts →
	Exact match “Greenstone Building Products proudly manufactures the Greenstone Panel, a fully integrated building solution that combines framing, insulation, vapor barrier, and structural…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Strong Foam Insulation INC	Exact match	Cambridge, ON, CanadaHQ recorded Sep 30, 2026	11-50	16 contacts →
	Exact match “Strong Foam Insulation’s journey began in the ICI and multi-unit residential sector in 2016, and has quickly evolved as a leading force within the spray foam, fire protection and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Isolation Majeau ET Frère INC	Exact match	Saint-esprit, QC, CanadaHQ recorded Sep 30, 2026	11-50	14 contacts →
	Exact match “Isolation Majeau et frère est un entrepreneur spécialisé en isolation thermique de bâtiment résidentiel, commercial et agricole depuis 1992.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Integraspec ICF	Exact match	Kingston, CanadaHQ recorded Sep 30, 2026	11-50	11 contacts →
	Exact match “IntegraSpec ICF, the only true panellized Insulated Concrete Form Wallsystem, was created with the input of structural engineers, computer assisted design, & more than 75 years of…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Igloo Cellulose INC	Exact match	Dorval, QC, CanadaHQ recorded Sep 30, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Insulation Snakes	Exact match	Breton, AB, CanadaHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “Insulation Snakes® is a North American manufacturer and wholesale distributer of innovative and environmentally friendly insulation products that are removable, reusable, and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Structural Panels INC SPI	Exact match	Cobourg, ON, CanadaHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “Structural Panels Inc (SPI) is an all-Canadian manufacturer of high quality, steel-skinned insulated sandwich panels that are designed for walls, partitions, ceilings, and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	LE Groupe EFC	Exact match	Saint-augustin-de-desmaures, QC, CanadaHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “Leader de l'industrie des panneaux isolants, nous savons ce que signifie un service fiable et efficace.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	PFB Corporation	Exact match	Calgary, AB, CanadaHQ recorded Sep 30, 2026	201-500	8 contacts →
	Exact match “PFB manufactures innovative, high-quality insulating building products and technologies that, when used as components of a building envelope, enable residential and commercial…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Nature Fibres	Exact match	Val-des-sources, QC, CanadaHQ recorded Sep 30, 2026	1-10	8 contacts →
	Exact match “Manufacturer of bio-based insulation products” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Isolation Air-Plus INC	Exact match	Québec, QC, CanadaHQ recorded Sep 30, 2026	51-200	7 contacts →
	Exact match “Depuis 1976, Isolation Air-Plus offre des services d'isolation, d'insonorisation, d’ignifugation et d’étanchéisation dans les secteurs résidentiel, commercial et industriel.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Styro Rail INC	Exact match	Wakefield, QC, CanadaHQ recorded Sep 30, 2026	51-200	7 contacts →
	Exact match “Fondée en 1997, Styro Rail a débuté ses activités suite au désir de rendre confortable et habitable les sous-sols des résidences.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Isolation Moderne DE LA Capitale 2016 INC	Exact match	Québec, QC, CanadaHQ recorded Sep 30, 2026	11-50	7 contacts →
	Exact match “Isolation Moderne de la Capitale (2016) inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Isolation 4 Saisons INC	Exact match	Repentigny, QC, CanadaHQ recorded Sep 30, 2026	11-50	7 contacts →
	Exact match “Isolation 4 Saisons \| Votre partenaire en isolation au Québec Depuis près de 30 ans, Isolation 4 Saisons accompagne les entrepreneurs généraux, promoteurs, professionnels de la…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Thermal Insulation Association Of Canada	Exact match	Ottawa, ON, CanadaHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “The Thermal Insulation Association of Canada is the national industry association for contractors, distributors and manufacturers of commercial, industrial and institutional…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Rascom Greenbuild Services	Exact match	Etobicoke, ON, CanadaHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “Better Building Start Here … Supplier of High Performance Building Envelope Products which include: • High Performance Insulation Products • High Performance Membrane Products •…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Amity Insulation Group INC	Exact match	Edmonton, AB, CanadaHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Amity Insulation is one of Canada's leading distributors and fabricators of thermal insulation systems, including insulation, metal, and accessory products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	PRO Insulation Contracting	Exact match	Markham, ON, CanadaHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Pro Insulation Contracting serves as a leading contractor in Toronto and GTA.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Ripplepak-Packaging	Exact match	Markham, ON, CanadaHQ recorded Sep 30, 2026	51-200	5 contacts →
	Exact match “RipplePak is a division of Uthane Research Ltd, an industrial technology oriented company established in 1976 in Toronto, Ontario, Canada.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	A1 Isolation	Exact match	Varennes, QC, CanadaHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Notre entreprise s’est bâti une solide réputation dans le marché québécois de l’isolation thermique et l’insonorisation des constructions résidentielles, commerciales et…” 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 “polyisocyanurate insulation manufacturers”. 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 89 polyisocyanurate insulation manufacturers based in Canada

See the full list, filter by size, metro and specialty, and access 193 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Polyisocyanurate insulation manufacturers based in Canada at a glance

As of Sep 30, 2026

39.2%Verified-email coverage

5.5Average contacts per company

1-10Median size (employees)

5.6%Largest-city concentration · Ottawa

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 89 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 Canada whose business descriptions match “polyisocyanurate insulation manufacturers” 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 193 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.

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

How many polyisocyanurate insulation manufacturers are there based in Canada?

RevenueBase identified 89 company matches for polyisocyanurate insulation manufacturers associated with Canada 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?

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

Which city has the most polyisocyanurate insulation manufacturers?

Ottawa leads with 5 company records, followed by Calgary (4) and Edmonton (4).

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 193 professional contacts with verified work emails tracked across these 89 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.

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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.