Custom Plastic Injection Molding

99.45% On-Time Delivery
Made in America
3 Billion Parts Shipped Annually

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Injection Molding Presses

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On-Site Tool Rooms

About Us

Family Owned & Operated Since 1953

From our humble beginnings, Hoffer Plastics has grown to become an industry leader and innovator in the custom injection molding industry. Today, we employ more than 350 people in our 365,000-square-foot facility on 24 acres in South Elgin, Illinois, USA.

High-Quality Materials World-Class Facilities Leaders in Sustainability

PRODUCTS

Custom Products & Our Own Lok^™ Family of Closures

From brand-defining custom components for diverse industries to our Lok^™ line of caps and closures, Hoffer Plastics engineers solutions that protect products, enhance usability, and deliver consistent performance.

Custom

Flexible

Rigid

the hoffer foundation

Investing Back In Our Community Since 1966

Giving back to the community and people who’ve supported us is an honor, a joy and a responsibility. The Hoffer Foundation supports programs including the United Way, Boys and Girls Club, local food bank, library, literacy and job training programs and many others.

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MARKETS

Engineered for Every Industry

Hoffer Plastics creates custom plastic components and proprietary Lok closures for diverse markets. Our solutions combine precision design, advanced injection molding and consumer-friendly usability to protect products and power brands across applications.

Case Study

From Bottles to Breakthrough

How Prestone Reimagined Packaging with Spouted Pouches

Prestone partnered with Hoffer Plastics and Zacros America to replace rigid bottles with large-format spouted pouches featuring the Trust-T-Lok^® P22 spout.

60% Reduction

in plastic and major reduction in diesel fuels burned through delivery of bottles vs. delivery of flexible material

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Services

Injection Molding

Tooling

Design & Engineering

Secondary Operations

Automation

Moldmaking

Injection Molding

High-volume injection molding built on quality, innovation and trust.

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Tooling

Precision tools engineered for longevity, efficiency and lasting performance.

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Design & Engineering

DFM solutions that optimize form, function and production readiness.

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Secondary Operations

Value-added services that complete and customize every part.

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Automation

Automated systems ensuring speed, accuracy and consistent quality.

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Moldmaking

In-house craftsmanship that maintains tight tolerances and reliability.

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Testimonials

Featured Clients

Hoffer is a much appreciated partner that understands how they can help us prosper in a competitive market. The product quality consistently meets our high standards, topped off by outstanding service from a flexible and most efficient operation. Thank you, Hoffer Plastics!

Marc Latreille

Sales & Marketing Director | Vergers Leahy Inc. – Leahy Orchards Inc.

Hoffer Plastics is a true expert partner to us, which has allowed Yumbutter and Tribe 9 to continue being a leader in pouch innovation across the nut butter industry and beyond.

Matt D’Amour

Chief Wellness Carrier | Yumbutter and Tribe 9 Foods

Hoffer has been a valued partner to our company for many years. Hoffer goes well beyond just selling “plastic parts." Their customer service and technical support is unmatched and their products are consistently high quality. Looking forward to a continuing partnership for years to come. Thank you, Hoffer team!

John Knapp

Executive Vice President - Marketing