NZK Plastics, LLC

Employee size

2-10

Organization type

Self-Owned

Headquarters

North Versailles, PA

Founded

1996

Founded in 1996 by chemical engineer Nick Karnavas, North Versailles-based NZK Plastics, LLC makes custom injection-molded plastic parts and supports projects from initial CAD design through production. The company has grown from one molding machine to seven, spanning 50- to 400-ton capacities, and pairs its molding work with rapid prototyping and long-standing tooling-supplier relationships. NZK Plastics has held ISO 9001 certification since May 2024.

• Innovative Plastic Molders, IncFounded by Brian and Andrea O’Leary, Innovative Plastic Molders has spent 20 years turning product concepts into custom injection-molded plastic parts and molds. The Vandalia company combines in-house engineering and tool maintenance with a 120,000-square-foot facility and more than 30 electric presses, while also handling assembly and pack-out work. Innovative Plastic Molders is ISO 9001:2015 certified and serves customers from automotive applications to distinctive products such as its patented branded buckets.VANDALIA, OH
• Quality Plastics LLCFrom its facility in the rolling hills of northeast Ohio, Quality Plastics LLC makes custom injection-molded plastic parts and helps develop them from early concepts through production. The company brings decades of in-house experience to projects ranging from low-volume prototypes to high-volume runs, with injection molding machines spanning 55 to 1,300 tons. Quality Plastics serves customers across North America and internationally, while also offering assembly, fulfillment, and a separate retail line of household plastic products.FREDERICKSBURG, OH
• OP
  Ontario Plastics of NY, IncFounded in Rochester in 1945 with a first molding job making clothespins, Ontario Plastics of NY is a custom plastic injection molder serving customers in fields ranging from medical products to aerospace and defense. The company grew through three generations of Hayes family ownership before transitioning to a fourth-generation owner in 2024, and it remains known for combining in-house engineering, tooling, and production support with a practical “save the day” approach to customer needs. Ontario Plastics has held ISO 9001 certification since 2001 and was recertified to ISO 9001:2015 in 2016.ROCHESTER, NY
• Westar Plastics LLCBryan, Ohio’s Westar Plastics LLC is a custom injection molder that turns thermoplastic materials into production parts, with more than 35 years of experience behind its work. Founded in 2005, the company also develops proprietary products such as Pool Netr and Leaf Netr, alongside components made for other manufacturers. Westar Plastics is ISO 9001:2015 certified and supports both short production runs and long-term programs.BRYAN, OH