Company lists · Data refreshed September 2026

Top 25 Automotive insulation manufacturers based in the United States

Name: Automotive insulation 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 135 companies tracked

RevenueBase identified 135 automotive insulation manufacturers headquartered in the United States as of September 2026 and tracks 6,476 professional contacts across them, including 1,597 with verified work emails. Houston is the largest hub.

This list covers automotive insulation manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

135Companies

6,476Contacts tracked

1,597Verified emails

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The 25 largest automotive insulation manufacturers based in the United States

Ranked by team size

Top 25 of 135 automotive insulation manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to automotive insulation manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	AURIA	Partial evidence	Southfield, MI, United StatesHQ checked Sep 30, 2026	1,001-5,000	794 contacts →
	Partial evidence “Auria is a leading global supplier of highly engineered systems for automotive acoustics, textiles and cargo management for gas and electric vehicles.” Source: RevenueBase Database · checked Sep 30, 2026
2	SPI	Partial evidence	Charlotte, NC, United StatesHQ checked Sep 30, 2026	1,001-5,000	571 contacts →
	Partial evidence “SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Source: RevenueBase Database · checked Sep 30, 2026
3	Distribution International	Partial evidence	Houston, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	488 contacts →
	Partial evidence “Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.” Source: RevenueBase Database · checked Sep 30, 2026
4	Janesville Acoustics	Partial evidence	Southfield, MI, United StatesHQ checked Sep 30, 2026	201-500	342 contacts →
	Partial evidence “Janesville is a leading producer of automotive felt-based molded and die-cut products, operating as a Tier I and Tier II supplier to the automotive and transportation industry.” Source: RevenueBase Database · checked Sep 30, 2026
5	NUTEC	Strong evidence	Huntersville, NC, United StatesHQ checked Sep 30, 2026	201-500	208 contacts →
	Strong evidence “NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Source: RevenueBase Database · checked Sep 30, 2026
6	Lydech	Partial evidence	Novi, MI, United StatesHQ checked Sep 30, 2026	1,001-5,000	143 contacts →
	Partial evidence “Lydech is dedicated to reaffirming its position as the preferred solutions provider for thermal and acoustical product design, development, and production in the automotive…” Source: RevenueBase Database · checked Sep 30, 2026
7	CTA Acoustics, INC	Indirect evidence	Madison Heights, MI, United StatesHQ checked Sep 30, 2026	501-1,000	142 contacts →
	Indirect evidence “Innovative Technologies, Quality Manufacturing CTA Acoustics, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
8	Johns Manville Industrial Insulation	Strong evidence	Denver, CO, United StatesHQ checked Sep 30, 2026	201-500	141 contacts →
	Strong evidence “JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Source: RevenueBase Database · checked Sep 30, 2026
9	K-Flex USA	Partial evidence	Youngsville, NC, United StatesHQ checked Sep 30, 2026	201-500	133 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
10	Silvercote	Strong evidence	Greenville, SC, United StatesHQ checked Sep 30, 2026	51-200	120 contacts →
	Strong evidence “Silvercote, a Service Partners company, manufactures high-quality metal building insulation products customized to project specifications.” Source: RevenueBase Database · checked Sep 30, 2026
11	Epsilyte	Partial evidence	The Woodlands, TX, United StatesHQ checked Sep 30, 2026	201-500	87 contacts →
	Partial evidence “Epsilyte is one of North America’s leading producers of advanced insulative materials.” Source: RevenueBase Database · checked Sep 30, 2026
12	Acoust-A-Fiber, INC	Partial evidence	Delaware, OH, United StatesHQ checked Sep 30, 2026	501-1,000	76 contacts →
	Partial evidence “Acoust-A-Fiber is a growing thermal and acoustical solutions provider for the automotive industry with our corporate office located in Delaware, Ohio.” Source: RevenueBase Database · checked Sep 30, 2026
13	Polymer Technologies, INC	Partial evidence	Newark, DE, United StatesHQ checked Sep 30, 2026	51-200	72 contacts →
	Partial evidence “Polymer Technologies is a leading manufacturer of noise reduction materials/molded foam products in the acoustical and thermal composites industry.” Source: RevenueBase Database · checked Sep 30, 2026
14	Progressive Foam Technologies, INC	Strong evidence	Beach City, OH, United StatesHQ checked Sep 30, 2026	51-200	69 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
15	Bonded Logic, INC	Indirect evidence	Chandler, AZ, United StatesHQ checked Sep 30, 2026	51-200	65 contacts →
	Indirect evidence “With over 35 years of recycling and manufacturing experience, Bonded Logic Inc.” Source: RevenueBase Database · checked Sep 30, 2026
16	S&a Industries Corporation	Strong evidence	Akron, OH, United StatesHQ checked Sep 30, 2026	501-1,000	52 contacts →
	Strong evidence “S&A Industries is a manufacturer of products used for thermal protection, air and gas conveying and noise attenuation in automotive air management systems.” Source: RevenueBase Database · checked Sep 30, 2026
17	Hi-Temp Insulation, INC	Indirect evidence	Camarillo, CA, United StatesHQ checked Sep 30, 2026	201-500	50 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
18	Pacor INC	Partial evidence	Bordentown, NJ, United StatesHQ checked Sep 30, 2026	51-200	45 contacts →
	Partial evidence “With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Source: RevenueBase Database · checked Sep 30, 2026
19	Superior Energies, INC	Partial evidence	Groves, TX, United StatesHQ checked Sep 30, 2026	201-500	40 contacts →
	Partial evidence “Superior Energies, incorporated in 1978, is a Veteran/Woman-Owned Manufacturer, with over 100 years combined experience in the engineering, fabrication, and installation of…” Source: RevenueBase Database · checked Sep 30, 2026
20	Insul-Therm International INC	Indirect evidence	Commerce, CA, United StatesHQ checked Sep 30, 2026	51-200	39 contacts →
	Indirect evidence “Insul-Therm Intl.” Source: RevenueBase Database · checked Sep 30, 2026
21	Minileit INC	Indirect evidence	Greenville, SC, United StatesHQ checked Sep 30, 2026	201-500	38 contacts →
	Indirect evidence “MINILEIT, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
22	Shannon Global Energy Solutions	Strong evidence	North Tonawanda, NY, United StatesHQ checked Sep 30, 2026	51-200	36 contacts →
	Strong evidence “Manufacturer's of INSULTECH Thermal Acoustic Blanket Insulation systems.” Source: RevenueBase Database · checked Sep 30, 2026
23	TSG Resolute	Partial evidence	Americus, GA, United StatesHQ checked Sep 30, 2026	201-500	36 contacts →
	Partial evidence “TSG Resolute is the leading provider to the major OEM marketplaces for a wide range of products that includes gaskets, thermal insulation, acoustical insulation, electrical…” Source: RevenueBase Database · checked Sep 30, 2026
24	Howa USA Holdings, INC	Indirect evidence	Novi, MI, United StatesHQ checked Sep 30, 2026	51-200	35 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
25	General Coatings Manufacturing Corp	Indirect evidence	Fresno, CA, United StatesHQ checked Sep 30, 2026	51-200	33 contacts →
	Indirect evidence “Over the past 25 years General Coatings Manufacturing Corp.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: automotive insulation manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names automotive insulation manufacturers.
Partial evidence: Its own public description names part of automotive insulation manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name automotive insulation manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 135 automotive insulation manufacturers based in the United States

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Automotive insulation manufacturers based in the United States at a glance

As of Sep 30, 2026

24.7%Verified-email coverage

48.0Average contacts per company

11-50Median size (employees)

8.1%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

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 135 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among automotive insulation manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “automotive insulation manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names automotive insulation manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among automotive insulation manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,597 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names automotive insulation manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many automotive insulation manufacturers are there based in the United States?

RevenueBase identified 135 automotive insulation manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

AURIA, headquartered in Southfield, tops this list with the largest team on record.

Which city has the most automotive insulation manufacturers?

Houston leads with 11 headquartered companies, followed by Denver (3) and Greenville (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,597 verified decision-maker contacts tracked across these 135 companies.

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 Smart Search, 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.