Company lists · Data refreshed September 2026

Top 25 Filament winding manufacturers based in the United States

RevenueBase identified 73 company matches for filament winding manufacturers associated with the United States as of September 2026 and tracks 1,335 professional contacts across them, including 371 with verified work emails. Duluth is the largest hub.

This list covers company matches for filament winding 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
73Companies
1,335Contacts tracked
371Verified emails
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The 25 largest filament winding manufacturers based in the United States

Ranked by team size
Top 25 of 73 company matches for filament winding 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Diego, CA, United StatesHQ recorded Sep 30, 2026201-500184 contacts →

Exact match

“Rock West utilizes a variety of composite material manufacturing techniques including, but not limited, to roll-wrapping, filament winding, press curing, bladder molding, resin…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchHuntington Beach, CA, United StatesHQ recorded Sep 30, 2026501-1,000171 contacts →

Exact match

“Family-owned and trusted since 1973, Airtech Advanced Materials Group is a global supplier of composite tooling, vacuum bagging, lightweight architectural, and additive…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchRochester, NH, United StatesHQ recorded Sep 30, 202651-20066 contacts →

Exact match

“Spaulding Composites is a global supplier of specialty composite materials and value added fabricated products.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchPostville, IA, United StatesHQ recorded Sep 30, 202651-20063 contacts →

Exact match

“Life Critical.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchCincinnati, OH, United StatesHQ recorded Sep 30, 202651-20058 contacts →

Exact match

“A&P Technology is a seventh generation, world-leading producer of braided fabrics, preforms and sleevings.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchErie, PA, United StatesHQ recorded Sep 30, 202651-20051 contacts →

Exact match

“Haysite Reinforced Plastics, located in Erie, PA, is among the worldwide leaders in the formulation and processing of thermoset composite materials.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchBloomington, CA, United StatesHQ recorded Sep 30, 202651-20041 contacts →

Exact match

“Revchem Composites is committed to increasing the productivity and profitability of composite fabricators.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchMishawaka, IN, United StatesHQ recorded Sep 30, 202651-20041 contacts →

Exact match

“Janco Engineered Products manufactures a wide range of advanced composites.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchLivermore, CA, United StatesHQ recorded Sep 30, 202651-20040 contacts →

Exact match

“ACP Composites’ mission, as a leading manufacturer of composite solutions, is to deliver high-quality, cost-effective components through the use of innovative techniques, a…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 30, 202611-5036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchWest Allis, WI, United StatesHQ recorded Sep 30, 202651-20031 contacts →

Exact match

“Founded in 1966, Amalga Composites is a leader in the design, engineering and manufacturing of filament wound composite products.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchBirmingham, AL, United StatesHQ recorded Sep 30, 20261,001-5,00030 contacts →

Exact match

“Glasforms designs, formulates and produces carbon fiber and fiberglass reinforced composites utilizing continuous molding processes including pultrusion, continuous resin transfer…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 30, 202611-5024 contacts →

Exact match

“Engineering Technology Corporation has been a worldwide leader in the filament winding and composite manufacturing industry since its founding in 1962.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchCompton, CA, United StatesHQ recorded Sep 30, 202651-20019 contacts →

Exact match

“Performance Composites is a California-based manufacturer of engineered composite and fiberglass products.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchNiskayuna, NY, United StatesHQ recorded Sep 30, 202611-5016 contacts →

Exact match

“For over 30 years, Automated Dynamics, now part of Trelleborg Sealing Solutions, has been a global leader in automated composite production.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchMount Pleasant, PA, United StatesHQ recorded Sep 30, 202651-20015 contacts →

Exact match

“is a leading provider of - for the electrical, defense, and industrial sectors, specializing in custom-engineered products.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchHayden Lake, ID, United StatesHQ recorded Sep 30, 202651-20015 contacts →

Exact match

“An industry leader, Unitech Composites manufactures composite products for industrial and commercial aerospace applications.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchWilmington, DE, United StatesHQ recorded Sep 30, 202611-5014 contacts →

Exact match

“Franklin Fibre-Lamitex Corp.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchChannahon, IL, United StatesHQ recorded Sep 30, 2026201-50013 contacts →

Exact match

“Crane Composites Inc, a subsidiary of Crane Holdings, Co.(NYSE:CR), is the world's leading provider of fiber-reinforced composite materials.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchHampton, NH, United StatesHQ recorded Sep 30, 202611-5011 contacts →

Exact match

“Since 1965 Northern® Composites is your source for premium quality composite materials.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchBolton, MA, United StatesHQ recorded Sep 30, 202611-5010 contacts →

Exact match

“Broomfield is a US coil winding company manufacturing coil winding machines, wire winding equipment, foil/strip winders, transformer winding equipment, wire flatteners, trickle…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchEast Haven, CT, United StatesHQ recorded Sep 30, 202651-2007 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchExton, PA, United StatesHQ recorded Sep 30, 202611-507 contacts →

Exact match

“Showmark is a manufacturer of winding and coiling machines for delicate materials such as optical fiber, fine wire and other fine filaments.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchSpringfield, United StatesHQ recorded Sep 30, 202611-507 contacts →

Exact match

“JMS Composites is a custom composites / fiberglass products manufacturer, serving businesses in a wide array of industries.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchBerkeley, CA, United StatesHQ recorded Sep 30, 202651-2006 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 73 filament winding manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 371 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Filament winding manufacturers based in the United States at a glance

As of Sep 30, 2026
27.8%Verified-email coverage
18.3Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Duluth
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
28
51-200
17
201-500
4
501-1,000
1
1,001-5,000
2

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 73 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 “filament winding 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 371 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 “filament winding manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many filament winding manufacturers are there based in the United States?

RevenueBase identified 73 company matches for filament winding 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?

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

Which city has the most filament winding manufacturers?

Duluth leads with 2 company records, followed by Salt Lake City (2) and San Diego (2).

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 371 professional contacts with verified work emails tracked across these 73 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.

Ready to reach these companies? Verified emails and direct dials for all 73 filament winding manufacturers based in the United States. Start with a free account, no credit card.

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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.