Custom Plastic Injection Molding



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.


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.

Consumer Industrial

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


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.


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 an outstanding service from a flexible and most efficient organization.
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. 

They are a delight to do business with and highly recommend them to anyone looking seeking out the best injection molders in the market. 

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 Plastics!

John Knapp

Executive Vice President - Marketing

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

charlotte hoffer canning

Hoffer Plastics’ Charlotte Canning Among Crain’s Notable Leaders in HR

SOUTH ELGIN, IL — Hoffer Plastics announced today that Charlotte Canning, Chief People Officer, has been named among Crain's 2020 Notable Leaders in HR, a recognition honoring Chicago area Human Resource leaders who have shown the ability or power to effect change by navigating new ways of recruiting talent; opening new ways to support employees and/or retain talent; improving efficiency; enhancing company culture; and/or promoting diversity and inclusion. Charlotte added: “I commend each and every...
tom devens screen cap

Hiring Vets: The Jam TV Show

Tom Devens and Charlotte Hoffer Canning talk to The Jam TV about employing those who served.
circular economy graphic

The Concept of Circularity

Read about exciting initiatives around the globe as visionary leaders work to move us toward a more circular economy The Concept of Circularity Can you envision a global economic system where products are conceptualized and designed for re-use or re-purposing from the onset? That describes a circular economy. It’s all about reuse, sharing, repair, refurbishment, re-manufacturing and recycling to create a closed-loop system that minimizes the use of resource inputs and the creation of waste, pollution...

How to think about plastics in 2020

Since 1950, approximately 8.3 billion metric tons of virgin plastics have been produced worldwide, the equivalent of 176 million big rigs. Less than 20% of that plastic has been recycled or incinerated, leaving nearly 80% to accumulate in landfills or as litter in our natural environment. Despite its significant contributions to innovation, the plastics industry has garnered increasing criticism over the years for its environmental impact. In a poll conducted by market research firm Morning...


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