Company lists · Data refreshed October 2026

Top 25 Expanded polystyrene manufacturers based in the United States

Name: Expanded 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 Oct 12, 2026 173 companies tracked

RevenueBase identified 173 company matches for expanded polystyrene manufacturers associated with the United States as of October 2026 and tracks 3,353 professional contacts across them, including 880 with verified work emails. Houston is the largest hub.

This list covers company matches for expanded 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 October 12, 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 Oct 12, 2026 How this list was built

173Companies

3,353Contacts tracked

880Verified emails

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The 25 largest expanded polystyrene manufacturers based in the United States

Ranked by team size

Top 25 of 173 company matches for expanded polystyrene manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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 Oct 12, 2026	1,001-5,000	529 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 · Oct 12, 2026 · View company records in RevenueBase
2	Nomaco	Exact match	Zebulon, NC, United StatesHQ recorded Oct 12, 2026	51-200	157 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 · Oct 12, 2026 · View company records in RevenueBase
3	Insulfoam	Exact match	Puyallup, WA, United StatesHQ recorded Oct 12, 2026	501-1,000	154 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 · Oct 12, 2026 · View company records in RevenueBase
4	K-Flex USA	Exact match	Youngsville, NC, United StatesHQ recorded Oct 12, 2026	201-500	146 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 · Oct 12, 2026 · View company records in RevenueBase
5	Silvercote	Exact match	Greenville, SC, United StatesHQ recorded Oct 12, 2026	51-200	121 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 · Oct 12, 2026 · View company records in RevenueBase
6	Plymouth Foam, An Altor Company	Exact match	Plymouth, WI, United StatesHQ recorded Oct 12, 2026	51-200	94 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 · Oct 12, 2026 · View company records in RevenueBase
7	Drew Foam Companies, INC	Exact match	Monticello, AR, United StatesHQ recorded Oct 12, 2026	501-1,000	94 contacts →
	Exact match “Drew Foam has been molding and fabricating EPS (Expanded Polystyrene) since 1965.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Epsilyte	Exact match	The Woodlands, TX, United StatesHQ recorded Oct 12, 2026	201-500	92 contacts →
	Exact match “Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Rmax, A Sika Brand	Exact match	Lewisville, TX, United StatesHQ recorded Oct 12, 2026	5,001-10,000	85 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 · Oct 12, 2026 · View company records in RevenueBase
10	HFP	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	201-500	72 contacts →
	Exact match “HFP is an innovative company providing foam plastics solutions into a variety of market applications.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Progressive Foam Technologies, INC	Exact match	Beach City, OH, United StatesHQ recorded Oct 12, 2026	51-200	71 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 · Oct 12, 2026 · View company records in RevenueBase
12	Huntington Foam LLC	Exact match	Greer, SC, United StatesHQ recorded Oct 12, 2026	201-500	66 contacts →
	Exact match “Huntington Foam is a custom shape molder and fabricator of various expanded plastic materials.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Worldwide Foam	Exact match	Elkhart, IN, United StatesHQ recorded Oct 12, 2026	51-200	40 contacts →
	Exact match “We began with crosslinked polyethylene (XLPE) and have evolved into a diversified closed-cell foam supplier that serves multiple industries across North America.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Insul-Therm International INC	Exact match	Commerce, CA, United StatesHQ recorded Oct 12, 2026	51-200	39 contacts →
	Exact match “Insul-Therm Intl.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Lapolla Industries, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	51-200	37 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Allied Aerofoam Products, LLC	Exact match	Tampa, FL, United StatesHQ recorded Oct 12, 2026	201-500	37 contacts →
	Exact match “Allied Aerofoam is the largest independent foam fabricator in the United States.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	General Coatings Manufacturing Corp	Exact match	Fresno, CA, United StatesHQ recorded Oct 12, 2026	51-200	35 contacts →
	Exact match “Over the past 25 years General Coatings Manufacturing Corp.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Marko Foam Products	Exact match	Salt Lake City, United StatesHQ recorded Oct 12, 2026	51-200	35 contacts →
	Exact match “Founded in 1961, Marko is a leader in foam-products manufacturing.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Plastilite Integritemp Rebelfin	Exact match	Omaha, NE, United StatesHQ recorded Oct 12, 2026	51-200	34 contacts →
	Exact match “Plastilite is the industry leader in recycling post-consumer EPS material.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Foam Products Corporation	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	11-50	34 contacts →
	Exact match “Foam Products Corporation is a leading fabricator and distributor of commercial and industrial foam insulation and packaging products.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Johns Manville Building Insulation	Exact match	Denver, CO, United StatesHQ recorded Oct 12, 2026	201-500	32 contacts →
	Exact match “Johns Manville is much more than a source for residential and commercial insulation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Magna Manufacturing, INC	Exact match	Fort Walton Beach, FL, United StatesHQ recorded Oct 12, 2026	11-50	32 contacts →
	Exact match “LoBoy & Magna Manufacturing – the BEST Foam Coolers in the USA!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Perma R Products	Exact match	Grenada, MS, United StatesHQ recorded Oct 12, 2026	51-200	30 contacts →
	Exact match “Perma R Products, an INDEVCO North America company, produces building envelope products - including PolyPro EPS and ChromeGPS rigid foam insulation, PermaWrap and PermaPro…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Automated Solutions, LLC	Exact match	Sawmills, NC, United StatesHQ recorded Oct 12, 2026	51-200	28 contacts →
	Exact match “Automated Solutions is a privately held diversified manufacturing company with product lines primarily in the packaging industry with polyethylene sheet foam, Cro-nel® and Nyvel®…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	L&l Insulations	Exact match	Des Moines, IA, United StatesHQ recorded Oct 12, 2026	51-200	27 contacts →
	Exact match “Since 1988 L&L Insulations has provided insulation products and specialty services to the manufacturing and construction industries throughout the Midwest.” Recorded in the RevenueBase company graph · Oct 12, 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 “expanded 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 173 expanded polystyrene manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 880 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Expanded polystyrene manufacturers based in the United States at a glance

As of Oct 12, 2026

26.2%Verified-email coverage

19.4Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · Houston

Oct 12, 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 173 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 “expanded 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 880 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 October 12, 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 “expanded polystyrene manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 173 company matches for expanded polystyrene manufacturers associated with the United States as of October 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 expanded polystyrene manufacturers?

Houston leads with 5 company records, followed by San Diego (5) and Arlington (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 880 professional contacts with verified work emails tracked across these 173 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 October 12, 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.