What McClarin Plastics does

McClarin Plastics, operating commercially as McClarin Composites, is a US-based custom manufacturer of large-format thermoset and thermoplastic composite components, with fiberglass reinforced plastic as a core material set. The firm was founded in 1953 and operates from a single manufacturing campus at 15 Industrial Drive, Hanover, Pennsylvania, employing 501-1,000 people. It serves two primary vertical markets: Mobility (bus/RV, heavy truck, military, and rail) and Built Environment (aerial lift/platforms, construction, energy, and infrastructure), with end use cases spanning body panels, structural parts, armor, interiors, FRP rebar, and bridge/infrastructure elements. Its core technical capabilities include Reaction Injection Molding (RIM), thermoforming/thermoplastic composites, thermoset composites, assembly, paint and logistics, and an ongoing conversion to closed-mold processing integrated with automated and additive manufacturing — positioning the company around cleaner production and cost transformation.

Revenue is generated primarily through direct B2B sales of custom-manufactured composite parts to OEM and industrial customers, supplemented by engineering and product development services that support customers from concept through commercialization under the 'Any Way, Shape or Form™' service promise. The go-to-market is enterprise field sales engaging OEM engineering and procurement teams, supported by industry-association presence (notably ACMA board participation across six councils) and ESG validation through EcoVadis. Pricing is conducted via direct quotation against customer specifications rather than published list pricing. The company is privately held and does not disclose revenue, customer concentration, or contract values.

Strategic positioning emphasizes decarbonization, circular economy, and ESG-aligned procurement — themes validated by EcoVadis partnership, closed-mold processing conversion, and leadership across ACMA sustainability and transportation structures committees. Leadership consists of CEO Jerry Armstrong and Dan Renn as Director of Engineering and Sales Director. The firm executed one known acquisition (Amtech Corporation, 2015-03-31, undisclosed consideration) and received financing from Patriot Capital in 2015-01-11, indicating episodic inorganic and capital activity rather than continuous venture-backed growth.

Name

McClarin Plastics

Legal name

McClarin Composites

Website

https://mcclarinplastics.com

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

501–1,000 employees

Short description

McClarin Plastics, operating as McClarin Composites, is a US custom manufacturer of large thermoset and thermoplastic composite components serving mobility (bus, truck, military, rail) and built-environment (construction, infrastructure, energy, aerial platforms) OEMs from a single Hanover, Pennsylvania campus.

Ownership category

akta.pro rank

Headquarters

HQ city

Hanover

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D

Revenue model

1. Composite Component Manufacturing: Manufactures custom composite components for OEM and industrial customers in mobility and built environment sectors. Revenue is generated through direct sales of manufactured parts, likely with long-term contracts for vehicle manufacturers and infrastructure companies.
2. Engineering and Product Development Services: Provides product development and engineering services to customers, supporting design-to-commercialization of composite solutions.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

McClarin Plastics (operating as McClarin Composites) is a custom manufacturer of large thermoplastic and fiberglass reinforced plastic (composite) components serving Mobility and Built Environment markets. The company designs, engineers, and produces complex composite parts using thermoset composites, reaction injection molding (RIM), thermoforming/thermoplastic composites, and assembly, paint, and logistics operations.

Product overview

McClarin Composites is a composite manufacturing company operating as a single, unified service offering rather than a platform with discrete named products. The company provides custom composite part design, engineering, and manufacturing services organized around two primary market verticals — Mobility (serving Bus/RV, Heavy Truck, Military, and Rail segments) and Built Environment (serving Aerial Lift/Platforms, Construction, Energy, and Infrastructure segments). Its manufacturing capabilities span Product Development & Engineering, Thermoset Composites, Reaction Injection Molding (RIM), Thermoforming/Thermoplastic Composites, and Assembly, Paint & Logistics. The company positions its service approach under the brand tagline "Any Way, Shape or Form™," emphasizing flexible material and process solutions for decarbonization applications. No individually named or branded product lines are offered — all offerings are service-capability and market-segment based.

Differentiator

Problem solved

Functional benefit

Products and services

• Mobility Composite Components

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered core.

• EcovadiscoreStrategic or Co-development PartnerPartnership with Ecovadis, a leading global sustainability rating firm, to validate and assess company's Environmental, Social, and Governance (ESG) standards. The collaboration underscores McClarin's commitment to sustainability excellence and provides third-party verification of ESG practices.
• American Composites Manufacturers Association (ACMA)coreStrategic or Co-development PartnerActive participation on the ACMA Board of Directors and involvement in key Composite Growth Initiative Committees including Architectural Division, Corrosion Control Division, FRP-Rebar Manufacturers Council, Composite Sustainability Council, Transportation Structures Council, and Utility & Communications Structures Council.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Owens Corning: Owens Corning is a large global building materials and composites company with significant exposure to glass fiber reinforcement and composite solutions for construction, transportation, and infrastructure. It is much larger and more diversified than McClarin but overlaps in fiberglass composite materials supply and end markets.
• Hexcel Corporation: Hexcel is a major publicly-traded advanced composites manufacturer primarily serving aerospace and defense with carbon fiber reinforcements and prepregs. While broader and more focused on aerospace, it competes with McClarin in advanced composite materials and overlaps in defense end markets.

Direct peers

• IDI Composites International: IDI Composites is a major North American manufacturer of thermoset bulk molding compounds (BMC) and sheet molding compounds (SMC) supplying automotive, industrial, and infrastructure customers. It overlaps directly with McClarin's thermoset composite and large-part capabilities.
• Core Molding Technologies: Core Molding Technologies is a leading US-based composite molder serving similar end markets including heavy truck, automotive, and industrial customers with thermoset and thermoplastic composite components. It is one of the most direct comparables to McClarin in terms of materials, processes, and customer base.
• TPI Composites: TPI Composites manufactures large composite structures primarily for wind energy and transportation markets. Its expertise in producing large, complex molded parts and its transportation segment overlap make it a direct peer in scale, process technology, and customer profile.
• Molded Fiber Glass Companies: Molded Fiber Glass Companies is a privately held composite manufacturer producing FRP parts for transportation, construction, and industrial markets. Its materials, processes, and customer verticals overlap heavily with McClarin's thermoset composite business.
• Enduro Composites: Enduro Composites produces fiberglass reinforced plastic (FRP) products for utility, infrastructure, and industrial applications. Its material focus on FRP composites and infrastructure customer base align closely with McClarin's built environment offering.
• Plasan Sasa: Plasan is an Israel-based Tier 1 supplier specializing in composite body panels, armor, and structural components for automotive and defense markets. Its lightweighting focus and military/defense overlap make it a closely comparable peer to McClarin's mobility and military segments.
• Continental Structural Plastics (Teijin): CSP, now part of Teijin, is a major Tier 1 supplier of composite components to automotive OEMs, producing Class A body panels and structural parts using SMC and carbon fiber processes. It competes with McClarin directly in automotive lightweighting programs.
• Strongwell Corporation: Strongwell manufactures pultruded and molded fiberglass reinforced polymer (FRP) products for construction, infrastructure, and industrial markets. Its infrastructure and built environment focus overlaps directly with McClarin's secondary vertical and FRP materials expertise.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key highlights7 records

Customer concentration

• Xx.com/McClarinPlastic

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds2 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about McClarin Plastics