WELCOME TOZEHRCO-GIANCOLA COMPOSITES

Decades of expertise. Precision-engineered thermoset & thermoplastic solutions, manufactured with pride in Ashtabula, Ohio.

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Our Competitive Advantage

Manufacturing Scale

9 Facilities · 170+ Presses · Up to 2200 Tons
Multi-plant manufacturing footprint across thermoset and thermoplastic operations, with press capacities ranging from 15 to 2200 tons to support low- and high-volume production.

Material & Process Integration

In-House Compounding & Multi-Method Molding
Vertically integrated BMC/SMC compounding, injection, compression, transfer, RTM, and open molding, engineered to control quality, strength, and performance from raw material to finished part.

Performance & Quality Assurance

3g to 200+ lb Parts · ISO 9001:2015 Certified
Precision manufacturing backed by controlled processes, testing, and quality systems, delivering consistent, high-performance thermoset and thermoplastic components for demanding industries.

About Zehrco-Giancola A Legacy of Excellence in Thermoset & Thermoplastic Innovation

Zehrco-Giancola has served as a trusted manufacturer of thermoset and thermoplastic products for over 50 years. Our team is committed to delivering innovative, cost-effective, and durable solutions that meet the needs of a wide range of industries. Whether it’s compression molding, transfer molding, injection molding, hand lay-up, LRTM or material development, our vertically integrated process ensures consistent quality and performance from concept to completion.

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Our Capabilities

We deliver end-to-end composite solutions that combine advanced materials, expert engineering, and quality-controlled manufacturing - helping clients bring high-performance products to life across diverse industries.

Molding Services

Precision Thermoset & Thermoplastic Molding

High-performance molding using compression, transfer, injection, RTM, and open molding methods built for complex geometries, tight tolerances, and demanding industrial environments.

Material Manufacturing

In-House Thermoset & Thermoplastic Formulations

Vertically integrated compounding and material development - engineering resin systems and compounds for strength, chemical resistance, electrical performance, and long-term durability.

Design Engineering & Program Management

From Concept to Production : Managed End-to-End

Engineering and program oversight that aligns design, tooling, materials, and production reducing risk, improving manufacturability, and keeping thermoset and thermoplastic programs on track.

Part Design

Design for Manufacturability in Thermosets & Thermoplastics

Part optimization for strength, weight, tolerances, and production efficiency, supporting geometry refinement, wall thickness, draft, ribs, and assembly requirements before tooling begins.

Finite Element Analysis (FEA) Services

Simulation-Based Design Confidence

FEA validates load paths, deflection, fatigue, and thermal behavior supporting smarter material choices and design updates for thermoset composites and thermoplastic components.

Research & Testing

Material Validation, Process Control, and QA Support

In-house testing and inspection to verify mechanical performance, dimensional stability, and environmental durability, helping ensure reliable thermoset and thermoplastic production outcomes.

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Custom-Engineered Thermosets & Thermoplastic Products

We deliver tailored thermosets & thermoplastic solutions for a range of commercial and industrial applications

Engineered Thermoset Components

High-performance molded parts designed for heat resistance, electrical insulation, and structural durability.

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Thermoplastic Precision Parts

Injection-molded thermoplastic components manufactured for tight tolerances and repeatable high-volume production.

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Lightweight Composite Innovations

Advanced composite materials engineered to reduce weight without sacrificing strength or durability.

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What Our Partners Are Saying

Trusted by manufacturers, engineers, and procurement teams across industries who rely on our composites, quality, and consistency.

“Their injection‑molding facility is clean and well organized, and they treated our small‑volume pilot run with the same professionalism they give to full production orders. Quick turnaround and responsive service. ZG has become a trusted partner for all our composite part needs.”

David Chen, Product Development Lead, Transportation OEM Supplier

“We needed high‑precision thermoset components for our industrial equipment, and ZG delivered exactly what we required on time, with excellent surface finish and dimensional accuracy. Their team went the extra mile to meet our specs, even under a tight deadline.”

Alex Martinez, Senior Engineer, Industrial Controls Manufacturer

“Working with Zehrco‑Giancola has simplified our supply chain. Their composites are strong, lightweight, and able to withstand harsh environments. Communication has always been prompt, and their quality control is top‑notch. We don't worry about defects when parts come in.”

Maria Lopez, Procurement Manager, Renewable Energy Equipment Producer

Contact Information

From concept to production, our team is ready to support your next composite or molding project.

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