Company lists · Data refreshed September 2026

Top 25 Thermoplastic composites manufacturers based in the United States

Name: Thermoplastic composites 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 520 companies tracked

RevenueBase identified 520 thermoplastic composites manufacturers headquartered in the United States as of September 2026 and tracks 23,124 professional contacts across them, including 7,573 with verified work emails. Houston is the largest hub.

This list covers thermoplastic composites 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

520Companies

23,124Contacts tracked

7,573Verified emails

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The 25 largest thermoplastic composites manufacturers based in the United States

Ranked by team size

Top 25 of 520 thermoplastic composites 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 thermoplastic composites 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	Hexcel Corporation	Indirect evidence	Stamford, CT, United StatesHQ checked Sep 30, 2026	5,001-10,000	2,825 contacts →
	Indirect evidence “As a leading producer of carbon fiber reinforcements and resin systems, and the world leader in honeycomb manufacturing for the commercial aerospace industry, Hexcel is creating a…” Source: RevenueBase Database · checked Sep 30, 2026
2	Greene Tweed	Strong evidence	Lansdale, PA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,129 contacts →
	Strong evidence “Greene Tweed is a leading global manufacturer of high-performance thermoplastics, composites, seals, and engineered components that outperform and outlast in the world’s harshest…” Source: RevenueBase Database · checked Sep 30, 2026
3	Teijin Automotive Technologies	Indirect evidence	Auburn Hills, MI, United StatesHQ checked Sep 30, 2026	5,001-10,000	1,094 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
4	RTP Company	Partial evidence	Winona, MN, United StatesHQ checked Sep 30, 2026	1,001-5,000	686 contacts →
	Partial evidence “RTP Company, headquartered in Winona, Minn, is a global compounder of custom engineered thermoplastics.” Source: RevenueBase Database · checked Sep 30, 2026
5	Composites ONE	Partial evidence	Schaumburg, IL, United StatesHQ checked Sep 30, 2026	501-1,000	632 contacts →
	Partial evidence “As the premier distributor and leading supplier of composite and high-performance materials, thousands of customers rely on Composites One every day.” Source: RevenueBase Database · checked Sep 30, 2026
6	Royal Technologies Corp	Indirect evidence	Hudsonville, MI, United StatesHQ checked Sep 30, 2026	1,001-5,000	492 contacts →
	Indirect evidence “Royal Technologies is an advanced engineering and manufacturing company serving industries as diverse as automotive, furniture, and consumer products.” Source: RevenueBase Database · checked Sep 30, 2026
7	Nexeo Plastics	Partial evidence	The Woodlands, TX, United StatesHQ checked Sep 30, 2026	501-1,000	468 contacts →
	Partial evidence “Nexeo Plastics is a leading global thermoplastic resins distributor, representing quality products from world-class suppliers, and serving a diverse customer base across North…” Source: RevenueBase Database · checked Sep 30, 2026
8	Plaskolite	Partial evidence	Columbus, OH, United StatesHQ checked Sep 30, 2026	1,001-5,000	448 contacts →
	Partial evidence “PLASKOLITE is the catalyst for thermoplastic innovation that accelerates transformation.” Source: RevenueBase Database · checked Sep 30, 2026
9	Core Molding Technologies	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 30, 2026	1,001-5,000	441 contacts →
	Indirect evidence “Core Molding Technologies is a leading engineered materials company specializing in molded structural products, principally in building products, utilities, transportation and…” Source: RevenueBase Database · checked Sep 30, 2026
10	Molded Fiber Glass MFG Companies	Partial evidence	Ashtabula, OH, United StatesHQ checked Sep 30, 2026	1,001-5,000	437 contacts →
	Partial evidence “MFG's composites expertise is a result of 70 years of service to customers in many industries.” Source: RevenueBase Database · checked Sep 30, 2026
11	Sekisui Aerospace Corporation	Partial evidence	Renton, WA, United StatesHQ checked Sep 30, 2026	501-1,000	390 contacts →
	Partial evidence “SEKISUI Aerospace is an industry leading company known for its manufacturing excellence in carbon fiber, thermoplastics, intelligent automation, aerospace interiors, structural…” Source: RevenueBase Database · checked Sep 30, 2026
12	Toray Composite Materials America, INC	Indirect evidence	Tacoma, WA, United StatesHQ checked Sep 30, 2026	1,001-5,000	385 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
13	Qarbon Aerospace	Strong evidence	Red Oak, TX, United StatesHQ checked Sep 30, 2026	501-1,000	360 contacts →
	Strong evidence “Qarbon Aerospace is a premier manufacturer of cutting-edge composite components and assemblies at all levels of complexity, with products installed on the industry’s most advanced…” Source: RevenueBase Database · checked Sep 30, 2026
14	The Gill Corporation	Strong evidence	El Monte, CA, United StatesHQ checked Sep 30, 2026	501-1,000	340 contacts →
	Strong evidence “The Gill Corporation is a leading manufacturer of high performance composite materials and products for the aerospace, transportation and other industries.” Source: RevenueBase Database · checked Sep 30, 2026
15	AGY	Strong evidence	Aiken, SC, United StatesHQ checked Sep 30, 2026	501-1,000	325 contacts →
	Strong evidence “AGY is a leading innovator and manufacturer of specialty glass fibers enabling high-performance composite solutions for aviation, defense, electronics, artificial intelligence…” Source: RevenueBase Database · checked Sep 30, 2026
16	Curbell Plastics	Indirect evidence	Orchard Park, NY, United StatesHQ checked Sep 30, 2026	51-200	282 contacts →
	Indirect evidence “At Curbell Plastics, we are proud that we’ve grown into one of the nation’s top-five plastic materials suppliers by investing for sustainable growth and focusing foremost on the…” Source: RevenueBase Database · checked Sep 30, 2026
17	Mar-Bal, INC	Partial evidence	Chagrin Falls, OH, United StatesHQ checked Sep 30, 2026	201-500	229 contacts →
	Partial evidence “THERMOSET COMPOSITES.” Source: RevenueBase Database · checked Sep 30, 2026
18	Roechling Industrial North America	Indirect evidence	Dallas, NC, United StatesHQ checked Sep 30, 2026	501-1,000	221 contacts →
	Indirect evidence “Join the team!” Source: RevenueBase Database · checked Sep 30, 2026
19	Axillon Aerospace	Partial evidence	Rockmart, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	194 contacts →
	Partial evidence “Axillon Aerospace is a leading provider of complex, highly engineered composite and polymer solutions for demanding commercial and defense applications.” Source: RevenueBase Database · checked Sep 30, 2026
20	CDI Products	Indirect evidence	Humble, TX, United StatesHQ checked Sep 30, 2026	201-500	191 contacts →
	Indirect evidence “CDI Products is a Michelin Group Company with locations serving North America, Europe, the Middle East, and Asia-Pacific.” Source: RevenueBase Database · checked Sep 30, 2026
21	Rock West Composites	Partial evidence	San Diego, CA, United StatesHQ checked Sep 30, 2026	201-500	184 contacts →
	Partial evidence “Rock West utilizes a variety of composite material manufacturing techniques including, but not limited, to roll-wrapping, filament winding, press curing, bladder molding, resin…” Source: RevenueBase Database · checked Sep 30, 2026
22	Airtech Advanced Materials Group	Partial evidence	Huntington Beach, CA, United StatesHQ checked Sep 30, 2026	501-1,000	171 contacts →
	Partial evidence “Family-owned and trusted since 1973, Airtech Advanced Materials Group is a global supplier of composite tooling, vacuum bagging, lightweight architectural, and additive…” Source: RevenueBase Database · checked Sep 30, 2026
23	Sekisui Kydex	Partial evidence	Bloomsburg, PA, United StatesHQ checked Sep 30, 2026	201-500	168 contacts →
	Partial evidence “SEKISUI KYDEX innovates and creates sustainable thermoplastic material solutions for the next generation of product design.” Source: RevenueBase Database · checked Sep 30, 2026
24	IDI Composites International	Partial evidence	Noblesville, IN, United StatesHQ checked Sep 30, 2026	201-500	157 contacts →
	Partial evidence “At IDI Composites International, we’re about Thermoset Composite Materials and Ideas.” Source: RevenueBase Database · checked Sep 30, 2026
25	Leading Technology Composites, INC	Strong evidence	Wichita, KS, United StatesHQ checked Sep 30, 2026	201-500	146 contacts →
	Strong evidence “Founded in 1993, LTC has for years been a leader in the manufacture and design of composite solutions for our customers.” 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: thermoplastic composites 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 thermoplastic composites manufacturers.
Partial evidence: Its own public description names part of thermoplastic composites manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name thermoplastic composites 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 520 thermoplastic composites manufacturers based in the United States

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Thermoplastic composites manufacturers based in the United States at a glance

As of Sep 30, 2026

32.7%Verified-email coverage

44.5Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Houston

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

134

11-50

167

51-200

137

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 520 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 thermoplastic composites 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 “thermoplastic composites 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 thermoplastic composites 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 thermoplastic composites 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, 7,573 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 thermoplastic composites 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 thermoplastic composites manufacturers are there based in the United States?

RevenueBase identified 520 thermoplastic composites 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?

Hexcel Corporation, headquartered in Stamford, tops this list with the largest team on record.

Which city has the most thermoplastic composites manufacturers?

Houston leads with 7 headquartered companies, followed by Salt Lake City (7) and Atlanta (6).

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 7,573 verified decision-maker contacts tracked across these 520 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.