Verified Nov 2026
Injection Molding
·
Hanover, Pennsylvania
·
Since 1953
McCLARIN Composites is a contract manufacturer of large thermoformed plastic and fiberglass-reinforced plastic (FRP) components, headquartered in Hanover, Pennsylvania, United States. Founded in 1953, it is privately held and reports an estimated revenue band of $50-100 million with 500-1,000 employees. The company serves the automotive, electric-vehicle, construction, medical, military-defense, and industrial-equipment sectors. It recently appeared in a September 2026 EPA consent agreement and final order concerning its operations.
McCLARIN Composites at a glance
Revenue
$50-100M
Est. band
Employees
500-1,000
Founded
1953
Headquarters
Hanover, Pennsylvania
Certifications
ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001
Import activity
6
Industries
Automotive
Electric Vehicles
Construction
Medical
Military & Defense
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
6
Named foreign suppliers
3
Top origins
India · China · Oman · South Korea
Shared foreign counterparties do not establish that these companies buy from McCLARIN Composites.
What this tells a buyer
A consent agreement and final order with the U.S. Environmental Protection Agency involving McCLARIN Composites, LLC was reported on September 9, 2026.
The company holds ISO 9001, ISO 14001, ISO 45001, and ISO 50001 certifications and offers thermoforming, resin transfer molding, and vacuum forming capabilities.
McCLARIN Composites is privately held, operates three primary manufacturing facilities in North America, and reports estimated annual revenue of $50-100 million.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
73 years in operation (founded 1953).
Holds ISO 14001, ISO 45001, ISO 50001, ISO 9001 certification(s) per public sources.
Overview
McCLARIN Composites is a contract manufacturer of large thermoformed plastic and fiberglass-reinforced plastic (FRP) components, headquartered in Hanover, Pennsylvania, United States. Founded in 1953, it is privately held and reports an estimated revenue band of $50-100 million with 500-1,000 employees. The company serves the automotive, electric-vehicle, construction, medical, military-defense, and industrial-equipment sectors. It recently appeared in a September 2026 EPA consent agreement and final order concerning its operations.
At a glance
Attribute | Detail |
|---|---|
Founded | 1953 |
Headquarters | Hanover, Pennsylvania |
Employees | 500-1,000 |
Revenue | $50-100M (estimated) |
Primary capability | Injection Molding |
Certifications | ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 |
What McCLARIN Composites makes
The company holds ISO 9001, ISO 14001, ISO 45001, and ISO 50001 certifications and offers thermoforming, resin transfer molding, and vacuum forming capabilities.
Products and capabilities described on the company's own site include Tooling, Mold, Composite, Glass, Plastic, LED, Pump (source: mcclarincomposites.com).
Certifications
McCLARIN Composites is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — mcclarincomposites.com
ISO 45001 — mcclarincomposites.com
ISO 50001 — mcclarincomposites.com
ISO 9001 — mcclarincomposites.com
Trade and customs footprint
A consent agreement and final order with the U.S. Environmental Protection Agency involving McCLARIN Composites, LLC was reported on September 9, 2026. US customs bill-of-lading records list 6 inbound shipments across 3 foreign suppliers, with top origins including India · China · Oman · South Korea.
Latest developments
2026-09-09 — EPA - U.S. Environmental Protection Agency (via Public) / RCRA-10-2026-0196 Consent Agreement and Final Order (09/08/2026) (McClarin Composites, LLC) (publicnow.com)
2025-09-10 — McCLARIN Composites, along with ExxonMobil Proxxima™ Polyolefin Thermoset Resin Systems, is proud to have been recognized today with the Combined Strength | McCLARIN Composites (linkedin.com)
2025-07-15 — Targeted News Service (targetednews.com)
Company details
McCLARIN Composites is privately held, operates three primary manufacturing facilities in North America, and reports estimated annual revenue of $50-100 million. McCLARIN Composites was founded in 1953, has an estimated 500-1,000 employees, and is headquartered in Hanover, Pennsylvania. On the LightSource stability read it is rated "Established & active": 73 years in operation (founded 1953). Holds ISO 14001, ISO 45001, ISO 50001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does McCLARIN Composites make?
McCLARIN Composites is a contract manufacturer of large thermoformed plastic and fiberglass-reinforced plastic (FRP) components, headquartered in Hanover, Pennsylvania, United States. Founded in 1953, it is privately held and reports an estimated revenue band of $50-100 million with 500-1,000 employees. The company serves the automotive, electric-vehicle, construction, medical, military-defense, and industrial-equipment sectors. It recently appeared in a September 2026 EPA consent agreement and final order concerning its operations.
Where is McCLARIN Composites headquartered?
McCLARIN Composites is headquartered in Hanover, Pennsylvania (15 Industrial Dr, Hanover, Pennsylvania, 17331).
When was McCLARIN Composites founded?
McCLARIN Composites was founded in 1953.
How big is McCLARIN Composites?
McCLARIN Composites has an estimated 500-1,000 employees, with revenue in the $50-100M range (estimated).
What certifications does McCLARIN Composites hold?
McCLARIN Composites lists ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does McCLARIN Composites import from overseas suppliers?
US customs bill-of-lading records show 6 inbound shipments for McCLARIN Composites, with top origins including India · China · Oman · South Korea.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 734-476-4810
Certification
ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001
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