About Us

Our Locations

World Class Supplier of Your Plastic Needs

Erie, Pennsylvania Hamlet, North Carolia Mansfield, United Kingdom Queretaro, Mexico Indaiatuba, Brazil

Designing, Building, & Manufacturing Globally

The Plastek Group, based in Erie, Pennsylvania, is a world class manufacturer of plastics packaging for the Personal Care, Beauty, Home Care, Pharmaceutical, and Food & Beverage Packaging Industries.

We specialize in Industrial Design, Product and Package Development, Mold Design and Build, Injection, Injection Blow, and Injection Stretch Blow Molding as well as value added Assembly and Decorating.

Since our founding as a Tool Making Company in 1956 Plastek has grown to become a Global Supplier for many of the world’s top Companies. We serve our customers with manufacturing sites in the US, UK, Brazil and Mexico.

We can take your product innovations and ideas and create the most efficient, reliable, and high quality Supply Chain possible.

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70 YEARS

Our History

< 1956 –

The late Joseph J. Prischak, Founder of The Plastek Group, began his career at Erie Resistor in the molding department, then moved on to the tool room where he took up his apprenticeship. Later, he went to work at Penn Erie Manufacturing where he realized the potential of the tool making field.

1956 –

With two partners, he founded Triangle Tool Company in 1956. Based in Erie, Pennsylvania, Triangle Tool quickly became a leader in mold design and manufacturing. They developed many of the standards and practices that are used in the tool industry today.

1971 –

The group moved into the plastics field in 1971 with the founding of The Plastek Group, also in Erie. Persistence and tremendous commitment to client satisfaction earned molding business from customers such as AMP, Eastman Kodak, IBM, RCA Burroughs, Burndy and Polaroid.

1983 –

When his partners wanted to retire in 1983, Mr. Prischak bought their shares of the business with an eye towards continued growth. Later that year he entered the consumer packaging business with the purchase of Spectrum Molding and Engineering. Plastek quickly captured a large share of the solid deodorant stick container market while maintaining a substantial presence in the automotive electronics and computer industries.

1991 –

Over several decades, Mr. Prischak has stewarded the growth and development of The Plastek Group, taking it from a handful of workers to over 2,000 employees. In 1991, he was honored with the “Master Entrepreneur of the Year” Award which is sponsored by Inc. Magazine, Merril Lynch Financial Services and the national accounting and consulting firm of Ernst and Young.

He served on the Hamot Corporators Board, and on the Penn State Behrend Council of Fellows. Mr. Prischak was a driving force behind the development of the Plastics Technology Program at Penn State University, and has supported many other organizations throughout his lifetime.

-photo above: Joe Prischak, Penn State Behrend 2016 Alumni Honoree

The Plastek Group

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1999 – 2010 –

In June of 1999 the company opened its first facility outside the United States in the Mansfield, United Kingdom followed by the opening of a plant in Indaiatuba, Brazil in May of 2000, and an additional plant opening in Hamlet, North Carolina in July 2010.

2015 – 2018 –

The international foot print and expansion of our growing business continues. In August 2015, The Plastek Group, completed the acquisition of IPQ, adding an additional manufacturing operation in Queretaro, Mexico. In February 2018. a second mid size regional injection molding facility, just 90 miles north of Indaiatuba, was opened in Brazil, with the purchase of Costapacking in Pirassunuga.

Today –

6 Manufacturing, Assembly & Decorating Facilities

  • Spectrum Molding Division (SMD)
  • Consumer Products Division (CPD)
  • Hamlet Manufacturing Division (HMD)
  • Plastek UK LTD
  • Plastek Brazil
  • Plastek Mexico

3 Tool Shops

  • Triangle Tool Division (TTD)
  • Plastek Brazil Tool Shop
  • Plastek Mexico Tool Shop

24/7
Operation –

  • Climate Controlled Manufacturing, Assembly & Decorating, Clean & White Rooms, and Administrative Environments
  • Molding Machines ranging from 90 to 950 Ton
  • High Speed Assembly, including Inline Closure and Inline Assembly
  • Single Face & Stacked Tools
  • Modern automated units lessening human handling of product
  • Highspeed Cameras Performing In-line Quality Checks and integrated use of lasers
  • A work force educated in multiple job related, continuous training programs.
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Today

A Sustainable, Innovative, & Driven Family Business.

All of Our facilities, are well equipped with a variety of technology, machinery, knowledge, talent and skill that set The Plastek Group up for success.

Frequently Asked Questions

Curious about sourcing, manufacturing, or choosing the right partner for your custom rigid injection molded packaging? Below, we’ve answered common questions to help you understand your options and what sets a great packaging supplier apart. Our goal is to make the process clear and straightforward, so you can make confident decisions for your brand. Whether you’re just starting your search or seeking to upgrade your packaging solutions, these answers will help guide your next steps.

You can source custom rigid injection-molded packaging from The Plastek Group. We specialize in designing and producing packaging solutions tailored to your brand. We’ll work collaboratively with your team to create packaging that reflects your specifications and market needs. To see how we support a wide variety of industries and applications, visit our Markets Served page for real-world examples.

The manufacturers that offer tooling and high-volume injection molded packaging production are those with in-house mold design and high-cavitation molding capabilities. At The Plastek Group, we handle all stages, from designing and building precise molds to running large-scale manufacturing efficiently and reliably. This integrated approach streamlines your supply chain and ensures consistent quality from start to finish. Learn more about our end-to-end capabilities to discover how we can deliver on all your plastic needs.

When choosing a custom injection-molded packaging supplier, you should look for advanced technical expertise, a proven history of innovation, and a collaborative approach. It’s important to select a company that offers design support, engineering resources, and flexibility in materials and processes.

At The Plastek Group, we prioritize precision, quality, and dependable delivery — plus, our commitment to sustainability and customer success sets us apart. Working with an experienced team helps you achieve the right look and function for your packaging and also positions your brand for consistent market growth.

Choose Plastek for All Your Plastic Manufacturing Needs

With locations in the United States, the United Kingdom, Brazil, and Mexico, we have grown to become a world class leader in plastic manufacturing for the Personal Care, Beauty, Home Care, Pharmaceutical, and Food and Beverage Packaging Industries. We specialize in Industrial Design, Product and Package Development, Injection, Injection Blow, and Injection Stretch Blow Molding as well as value added Assembly and Decorating.