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Custom Plastic Injection Molding

FAMILY OWNED & OPERATED SINCE 1953 | 99% ON-TIME DELIVERY | 3 BILLION PARTS SHIPPED ANNUALLY

Hoffer Plastics Named IndustryWeek 2024 Best Plant

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LOK Family

Trust-T-LokTM and Drop-LokTM patented closures for flexible pouches and rigid containers. Strong seal integrity, tamper evident, in a range of styles or configurations for food, personal care and many more applications.

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Custom Products

From simple parts to the most highly complex multi cavity designs, we partner with you from design to prototyping through production and rollout. If you can conceive it, we can mold and deliver it.

Packaging
Medical
Consumer Industrial
Automotive
Appliance

Where can you find our parts? Squeezable baby food pouches, lawnmower carburetors, car doors, audio speakers, blender jars, dishwashers, and restaurant beverage dispensers . . . just to name a few.

We go ALL IN to help you WIN

112 PRESSES |  300+ EMPLOYEES  |  MADE IN AMERICA

A Focus on Sustainability

Proud recipients of the 2016 Illinois Governor's Sustainability Award. Longstanding executive members of the Plastics Environmental Council. Pioneers in onsite power co-generation and the pursuit of biodegradable resins. Sustainability has been central to our company's values and priorities since our inception.

Testimonials

The Hoffer Foundation

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

Recent Posts

Our Latest Posts on Technology, Leadership, Innovation, and Sustainability

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Hoffer Plastics Debuts Expanded Lok Line at PACK EXPO Booth N-5138

Flexible and rigid solutions deliver more choices, more value and more impact. SOUTH ELGIN, Ill. (September 23, 2025) - Hoffer Plastics announced today the expanded Lok family of closures, debuting at PACK EXPO Las Vegas (Sept. 29-Oct. 1), Booth N-5138. Building on a legacy of customer-driven engineering, the new line extensions give brands greater versatility, speed and value across flexible and rigid formats - while enhancing performance, reliability and shelf appeal. Product highlights Hoffer's Trust-T-Lok™...
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Driving Sustainable Manufacturing with Technology and Talent

Plastics Technology sat down with Hoffer Plastics vice president of quality excellence Jim Stoffel and environmental and sustainability specialist Hannah Mooberry to explore how the company is redefining what sustainability means in injection molding. By pairing decades of operational innovation with fresh expertise, Hoffer's sustainability strategy goes far beyond recycling. Investments in automation, closed-loop water filtration and energy-efficient presses have driven a 30% cut in carbon emissions, a 50% reduction in water usage and less...
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Enhancing Packaging Performance Through Cap and Spout Selection

Packaging Strategies spotlighted three ways the right plastic cap and spout can deliver a strategic edge, with perspectives from John Strubulis, Hoffer Plastics' Senior Product Manager. In today's crowded CPG marketplace where packaging can be a direct reflection of your brand's values, selecting the right fitment is not just about functionality. It's a strategic decision that shapes consumer perception, achieves regulatory compliance and reflects sustainability efforts. John emphasizes that the right spout contributes to more...

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