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Custom Plastic Injection Molding

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

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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.

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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

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.

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Recent Posts

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

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Mar 24

SCADA and AMRs: Redefining Production Floor Efficiency

Plastics Business Magazine sat down with Hoffer Plastics Automation Project Manager, Adam VanMeter, following the company's 2024 MAPP Innovation Award in Automation Manufacturing Solutions: Smart Manufacturing Solutions. VanMeter shared more about the award-winning entry, specifically how the company has successfully integrated cutting-edge technologies, including a supervisory control and data acquisition (SCADA) system and autonomous mobile robots (AMRs) to streamline its manufacturing operations. The SCADA system manages and coordinates tasks such as assembling, transporting and filling...
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Mar 18

72 Years of Manufacturing Excellence and Community Impact: VIDEO

Founded in 1953 by Robert "Bob" and Helen Hoffer, Hoffer Plastics is celebrating its 72-year anniversary with an ongoing commitment to driving customer, employee and industry success. A full-service contract manufacturing partner, we produce more than three billion plastic parts annually with a consistent 99.45% on-time delivery record. The company serves customers in markets that include flexible packaging, medical, automotive, consumer, industrial and appliances. Located in South Elgin, Illinois, Hoffer...
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Mar 03

Hoffer Plastics Hosts Discovery Workshop on Automation for Custom Molders at PTXPO 2025

Learn how technologies like cobots and AMRs are driving efficiency and empowering workers. SOUTH ELGIN, Ill. (March 3, 2025) - Hoffer Plastics, a leading provider of custom injection molding solutions, is excited to announce its speaking engagement at PTXPO 2025, North America's premier molding and moldmaking event at the Donald E. Stephens Convention Center in Rosemont, Illinois. Attendees can join Hoffer Plastics' Discovery Workshop on March 18th from 2:00 to 2:30 pm in Room 14...

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