Company lists · Data refreshed September 2026

Top 25 Glass wool manufacturers based in the United States

Name: Glass wool manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 219 companies tracked

RevenueBase identified 219 company matches for glass wool manufacturers associated with the United States as of September 2026 and tracks 6,433 professional contacts across them, including 1,574 with verified work emails. Houston is the largest hub.

This list covers company matches for glass wool manufacturers 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 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

219Companies

6,433Contacts tracked

1,574Verified emails

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The 25 largest glass wool manufacturers based in the United States

Ranked by team size

Top 25 of 219 company matches for glass wool manufacturers based in the United States, 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	Topbuild	Exact match	Daytona Beach, FL, United StatesHQ recorded Sep 30, 2026	n/a	692 contacts →
	Exact match “TopBuild is now QXO.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	SPI	Exact match	Charlotte, NC, United StatesHQ recorded Sep 30, 2026	1,001-5,000	571 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 · Sep 30, 2026 · View company records in RevenueBase
3	Distribution International	Exact match	Houston, TX, United StatesHQ recorded Sep 30, 2026	1,001-5,000	488 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 · Sep 30, 2026 · View company records in RevenueBase
4	Greenfiber	Exact match	Charlotte, United StatesHQ recorded Sep 30, 2026	201-500	148 contacts →
	Exact match “Established in and headquartered in Charlotte, N.C, Greenfiber is the largest manufacturer of cellulose insulation and fire and sound products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	CTA Acoustics, INC	Exact match	Madison Heights, MI, United StatesHQ recorded Sep 30, 2026	501-1,000	142 contacts →
	Exact match “Innovative Technologies, Quality Manufacturing CTA Acoustics, Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Johns Manville Industrial Insulation	Exact match	Denver, CO, United StatesHQ recorded Sep 30, 2026	201-500	141 contacts →
	Exact match “JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	K-Flex USA	Exact match	Youngsville, NC, United StatesHQ recorded Sep 30, 2026	201-500	133 contacts →
	Exact match “K-FLEX USA is the North American division of the IK Insulation Group, an innovative leader in flexible elastomeric foam insulation with 12 production facilities worldwide and a…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Silvercote	Exact match	Greenville, SC, United StatesHQ recorded Sep 30, 2026	51-200	120 contacts →
	Exact match “Silvercote, a Service Partners company, manufactures high-quality metal building insulation products customized to project specifications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Owens Corning Foamglas Industrial Insulation	Exact match	Toledo, OH, United StatesHQ recorded Sep 30, 2026	201-500	98 contacts →
	Exact match “FOAMGLAS® insulation is part of Owens Corning, a global building and industrial materials leader with three integrated businesses that are dedicated to the manufacture and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	SWD	Exact match	Mesa, AZ, United StatesHQ recorded Sep 30, 2026	51-200	94 contacts →
	Exact match “SWD is a leading manufacturer of construction materials providing state of the art solutions to the industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Pittsburgh Corning Corporation	Exact match	Toledo, OH, United StatesHQ recorded Sep 30, 2026	11-50	92 contacts →
	Exact match “Pittsburgh Corning is part of Owens Corning.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Epsilyte	Exact match	The Woodlands, TX, United StatesHQ recorded Sep 30, 2026	201-500	87 contacts →
	Exact match “Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Rmax, A Sika Brand	Exact match	Lewisville, TX, United StatesHQ recorded Sep 30, 2026	5,001-10,000	81 contacts →
	Exact match “Since 1978, Rmax has been manufacturing high-quality polyiso insulation products and providing engineered solutions for enhanced energy efficiency.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Rockfon North America	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	501-1,000	71 contacts →
	Exact match “Rockfon is part of ROCKWOOL Group and offers advanced acoustical ceilings and wall solutions to create beautiful, comfortable spaces.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Progressive Foam Technologies, INC	Exact match	Beach City, OH, United StatesHQ recorded Sep 30, 2026	51-200	69 contacts →
	Exact match “Progressive Foam Technologies is a leading manufacturer of foam insulation products for home exterior, interior and foundation applications – and is also the inventor of insulated…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Therm-All	Exact match	Westlake, OH, United StatesHQ recorded Sep 30, 2026	51-200	67 contacts →
	Exact match “Therm-All has been at the forefront of metal building insulation solutions since 1981.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Bonded Logic, INC	Exact match	Chandler, AZ, United StatesHQ recorded Sep 30, 2026	51-200	65 contacts →
	Exact match “With over 35 years of recycling and manufacturing experience, Bonded Logic Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	BAY Insulation Systems	Exact match	Green Bay, WI, United StatesHQ recorded Sep 30, 2026	201-500	58 contacts →
	Exact match “Bay Insulation Systems is the leading supplier of metal building insulation and systems in North America.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Applegate Insulation	Exact match	Webberville, MI, United StatesHQ recorded Sep 30, 2026	201-500	58 contacts →
	Exact match “The investment you make with Applegate Insulation today will benefit you for a lifetime.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Lamtec Corporation	Exact match	Mount Bethel, PA, United StatesHQ recorded Sep 30, 2026	201-500	48 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Pacor INC	Exact match	Bordentown, NJ, United StatesHQ recorded Sep 30, 2026	51-200	45 contacts →
	Exact match “With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Insul-Therm International INC	Exact match	Commerce, CA, United StatesHQ recorded Sep 30, 2026	51-200	39 contacts →
	Exact match “Insul-Therm Intl.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Shannon Global Energy Solutions	Exact match	North Tonawanda, NY, United StatesHQ recorded Sep 30, 2026	51-200	36 contacts →
	Exact match “Manufacturer's of INSULTECH Thermal Acoustic Blanket Insulation systems.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	General Coatings Manufacturing Corp	Exact match	Fresno, CA, United StatesHQ recorded Sep 30, 2026	51-200	33 contacts →
	Exact match “Over the past 25 years General Coatings Manufacturing Corp.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Neoinsulation	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 30, 2026	51-200	33 contacts →
	Exact match “NeoInsulation: Engineering superior insulation solutions with innovative applications for today's energy infrastructure.” 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 “glass wool 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 219 glass wool manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,574 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Glass wool manufacturers based in the United States at a glance

As of Sep 30, 2026

24.5%Verified-email coverage

29.4Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · Houston

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 219 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 “glass wool 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 1,574 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 “glass wool manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many glass wool manufacturers are there based in the United States?

RevenueBase identified 219 company matches for glass wool manufacturers associated with the United States 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?

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

Which city has the most glass wool manufacturers?

Houston leads with 7 company records, followed by Charlotte (4) and Chicago (3).

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 1,574 professional contacts with verified work emails tracked across these 219 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.