Company lists · Data refreshed September 2026

Top 25 Extruded polystyrene manufacturers based in the United States

Name: Extruded polystyrene 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 314 companies tracked

RevenueBase identified 314 company matches for extruded polystyrene manufacturers associated with the United States as of September 2026 and tracks 7,511 professional contacts across them, including 1,665 with verified work emails. Houston is the largest hub.

This list covers company matches for extruded polystyrene 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

314Companies

7,511Contacts tracked

1,665Verified emails

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The 25 largest extruded polystyrene manufacturers based in the United States

Ranked by team size

Top 25 of 314 company matches for extruded polystyrene 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	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
2	Kingspan Insulated Panels North America	Exact match	Deland, FL, United StatesHQ recorded Sep 30, 2026	1,001-5,000	348 contacts →
	Exact match “Who We Are: Kingspan is a trusted leader in the design, manufacture and supply of high performance building products and solutions for the global property and construction…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Insulfoam	Exact match	Puyallup, WA, United StatesHQ recorded Sep 30, 2026	501-1,000	149 contacts →
	Exact match “Insulfoam, a division of Carlisle Construction Materials, is the largest manufacutrer of block molded Expanded Polysytrene (EPS) products in North America.” 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	Nomaco	Exact match	Zebulon, NC, United StatesHQ recorded Sep 30, 2026	51-200	143 contacts →
	Exact match “Nomaco is a recognized leader in the design and extrusion of performance engineered foam products and components for a wide range of markets including construction, home…” 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	Metl-Span	Exact match	Lewisville, TX, United StatesHQ recorded Sep 30, 2026	201-500	135 contacts →
	Exact match “Metl-Span is a dynamic industry innovator dedicated to manufacturing and marketing the highest quality insulated building panel products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	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
9	Coastal	Exact match	East Windsor, NJ, United StatesHQ recorded Sep 30, 2026	51-200	121 contacts →
	Exact match “From new construction homes to the complex specialty projects we’re famous for, Coastal is ready to get to work on your building, with a team of engineers that manufactures and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	Drew Foam Companies, INC	Exact match	Monticello, AR, United StatesHQ recorded Sep 30, 2026	501-1,000	93 contacts →
	Exact match “Drew Foam has been molding and fabricating EPS (Expanded Polystyrene) since 1965.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Plymouth Foam, An Altor Company	Exact match	Plymouth, WI, United StatesHQ recorded Sep 30, 2026	51-200	89 contacts →
	Exact match “Altor Solutions® is a dynamic, engineering-driven company whose goal is to design and produce superior products that help customers solve their needs for Packaging, Insulation and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	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
16	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
17	HFP	Exact match	Houston, TX, United StatesHQ recorded Sep 30, 2026	201-500	70 contacts →
	Exact match “HFP is an innovative company providing foam plastics solutions into a variety of market applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	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
19	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
20	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
21	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
22	Hunter Panels	Exact match	Portland, ME, United StatesHQ recorded Sep 30, 2026	51-200	56 contacts →
	Exact match “Hunter Panels manufactures a full line of polyiso insulating products for both roof and wall applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Aeroflex USA	Exact match	Sweetwater, TN, United StatesHQ recorded Sep 30, 2026	51-200	55 contacts →
	Exact match “Aeroflex USA manufactures the AEROFLEX® brand of EPDM closed-cell elastomeric mechanical insulation for building mechanical systems such as HVAC duct liner/wrap, piping, VRF…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	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
25	Homasote Company	Exact match	W Trenton, NJ, United StatesHQ recorded Sep 30, 2026	51-200	45 contacts →
	Exact match “Established in 1909, Homasote Company is the "pioneer" of Green Building and Packaging products in the world.” 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 “extruded polystyrene 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 314 extruded polystyrene manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,665 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Extruded polystyrene manufacturers based in the United States at a glance

As of Sep 30, 2026

22.2%Verified-email coverage

23.9Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · Houston

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

104

11-50

109

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 314 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 “extruded polystyrene 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 1,665 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 “extruded polystyrene manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many extruded polystyrene manufacturers are there based in the United States?

RevenueBase identified 314 company matches for extruded polystyrene 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?

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

Which city has the most extruded polystyrene manufacturers?

Houston leads with 10 company records, followed by Oklahoma City (6) and Charlotte (5).

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 1,665 professional contacts with verified work emails tracked across these 314 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.