Company lists · Data refreshed October 2026

Top 25 Fiberglass reinforced plastics (frp) engineering services based in the United States

Name: Fiberglass reinforced plastics (frp) engineering services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 342 companies tracked

RevenueBase identified 342 company matches for fiberglass reinforced plastics (frp) engineering services associated with the United States as of October 2026 and tracks 4,477 professional contacts across them, including 1,251 with verified work emails. Houston is the largest hub.

This list covers company matches for fiberglass reinforced plastics (frp) engineering services 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 25, 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 25, 2026 How this list was built

342Companies

4,477Contacts tracked

1,251Verified emails

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The 25 largest fiberglass reinforced plastics (frp) engineering services based in the United States

Ranked by team size

Top 25 of 342 company matches for fiberglass reinforced plastics (frp) engineering services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	Strongwell	Exact match	Bristol, VA, United StatesHQ recorded Oct 25, 2026	501-1,000	215 contacts →
	Exact match “Strongwell is the world's leading pultruder of fiber reinforced (FRP) structural components.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Fibergrate Composite Structures	Exact match	Dallas, TX, United StatesHQ recorded Oct 25, 2026	201-500	201 contacts →
	Exact match “With six decades of experience in the Fiberglass Reinforced Plastics industry, Fibergrate Composite Structures manufactures and sells the most complete line of high-performance…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	RPS Composites, INC	Exact match	Mobile, AL, United StatesHQ recorded Oct 25, 2026	51-200	119 contacts →
	Exact match “RPS Composites provides engineered dual laminate and FRP pipe and tank solutions to industrial customers for corrosive fluid processing, handling, and storage applications.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Mcclarin Composites	Exact match	Hanover, PA, United StatesHQ recorded Oct 25, 2026	501-1,000	116 contacts →
	Exact match “McCLARIN Composites has been a premier supplier of large Thermoplastic and Fiberglass Reinforced Plastic components since 1953.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Enduro Composites	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	51-200	115 contacts →
	Exact match “Enduro Composites is a vertically integrated manufacturer of FRP composites.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Hobas Pipe Usa, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	51-200	112 contacts →
	Exact match “Manufacturer of Large Diameter Fiberglass Pipe for sanitary sewer, storm sewer, potable water, penstocks, industrial applications and more.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	MAP Of Easton INC	Exact match	Easton, PA, United StatesHQ recorded Oct 25, 2026	501-1,000	110 contacts →
	Exact match “Using foams, polyesters and fiberglass, MAP develops full service manufacturing solutions from tooling inception through field installation.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Mastermold, LLC	Exact match	Johnson Creek, WI, United StatesHQ recorded Oct 25, 2026	51-200	96 contacts →
	Exact match “MasterMold, LLC is a multi-site, Wisconsin based manufacturer.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Jushi USA	Exact match	Irwindale, CA, United StatesHQ recorded Oct 25, 2026	5,001-10,000	83 contacts →
	Exact match “Jushi Group, headquartered in the Tongxiang Economic Development Zone, Zhejiang, China, is one of the world’s largest producers of fiberglass reinforcements.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Ershigs, Inc. By Fiber Glass Systems	Exact match	Bellingham, WA, United StatesHQ recorded Oct 25, 2026	201-500	74 contacts →
	Exact match “ENGINEERING With the start of every project, Ershigs develops a comprehensive plan, including: project assessment, process engineering, systems engineering, design, analysis, and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Csnri Composites	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	501-1,000	70 contacts →
	Exact match “CSNRI Composites is the world’s leading manufacturer of proven, highly-engineered products for the repair and rehabilitation of critical infrastructure.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Kreysler And Associates	Exact match	American Canyon, CA, United StatesHQ recorded Oct 25, 2026	11-50	66 contacts →
	Exact match “Kreysler & Associates was founded in 1982 and is currently owned and operated by William Kreysler, founder of the company.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Fibrwrap Construction	Exact match	Rancho Cucamonga, CA, United StatesHQ recorded Oct 25, 2026	1,001-5,000	66 contacts →
	Exact match “Since 1988, Fibrwrap Construction has specialized in FRP structural strengthening, concrete restoration and masonry restoration.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Bedford Reinforced Plastics	Exact match	Bedford, PA, United StatesHQ recorded Oct 25, 2026	201-500	65 contacts →
	Exact match “We provide a smart alternative to wood, steel and aluminum.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Debotech, INC	Exact match	Mooresville, NC, United StatesHQ recorded Oct 25, 2026	51-200	63 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Fiberglass Coatings	Exact match	St. Petersburg, FL, United StatesHQ recorded Oct 25, 2026	51-200	60 contacts →
	Exact match “Fiberglass Coatings carries a complete line of polyester resin, epoxy resin gelcoats and fiberglass materials.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	Haysite Reinforced Plastics LTD	Exact match	Erie, PA, United StatesHQ recorded Oct 25, 2026	51-200	55 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 · Oct 25, 2026 · View company records in RevenueBase
18	Advantic Building Group	Exact match	Miamisburg, OH, United StatesHQ recorded Oct 25, 2026	51-200	52 contacts →
	Exact match “Advantic Building Group organizes people and technology to reshape how the world builds.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Fiberglass Structural Engineering	Exact match	Bellingham, WA, United StatesHQ recorded Oct 25, 2026	11-50	52 contacts →
	Exact match “FSE is a niche third-party FRP Specialist consulting engineering, inspection and testing firm.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Danner Corporation	Exact match	Auburn, WA, United StatesHQ recorded Oct 25, 2026	51-200	47 contacts →
	Exact match “Danner Corporation is a progressive manufacturing and engineering firm specializing in fiber resin and bonding technology for the development and manufacture of composite…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Janco Engineered Products LLC	Exact match	Mishawaka, IN, United StatesHQ recorded Oct 25, 2026	51-200	46 contacts →
	Exact match “Janco Engineered Products manufactures a wide range of advanced composites.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Fiberlay INC	Exact match	North Sarasota, FL, United StatesHQ recorded Oct 25, 2026	11-50	45 contacts →
	Exact match “Founded in the early 1950's, Fiberlay has grown to become a leading wholesale/retail distributor of fiberglass supplies including epoxy and polyester resins, casting and molding…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23	Eplastics	Exact match	San Diego, CA, United StatesHQ recorded Oct 25, 2026	51-200	41 contacts →
	Exact match “We service wholesale and retail purchases of plastic with a wide selection of Plexiglas® sheets, tools, polish, adhesives, and accessories.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	National Manufacturing Group	Exact match	Troy, MI, United StatesHQ recorded Oct 25, 2026	201-500	39 contacts →
	Exact match “National Composites, is a multi-plant OEM supplier of custom molded FRP, Thermoformed plastic, and full metal cab fabrications and assembly.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Impreg Americas	Exact match	Richmond, VA, United StatesHQ recorded Oct 25, 2026	51-200	34 contacts →
	Exact match “IMPREG is the Global Manufacturing Leader of fiberglass reinforced liners for trenchless pipe rehabilitation, CIPP wastewater & stormwater solutions.” Recorded in the RevenueBase company graph · Oct 25, 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 “fiberglass reinforced plastics (frp) engineering services”. 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 342 fiberglass reinforced plastics (frp) engineering services based in the United States

See the full list, filter by size, metro and specialty, and access 1,251 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fiberglass reinforced plastics (frp) engineering services based in the United States at a glance

As of Oct 25, 2026

27.9%Verified-email coverage

13.1Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · Houston

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

125

11-50

123

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 342 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 “fiberglass reinforced plastics (frp) engineering services” 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 1,251 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 25, 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 “fiberglass reinforced plastics (frp) engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fiberglass reinforced plastics (frp) engineering services are there based in the United States?

RevenueBase identified 342 company matches for fiberglass reinforced plastics (frp) engineering services 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?

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

Which city has the most fiberglass reinforced plastics (frp) engineering services?

Houston leads with 11 company records, followed by New York (4) and Santa Ana (4).

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 1,251 professional contacts with verified work emails tracked across these 342 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 25, 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.