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  • Address Middletown, OH 45044
  • Email sales@grangerplastics.com
  • Contact (513) 424-1955

One-Stop Rotational Molding Resource

Granger Plastics Company prides itself on high quality focused rotomolding production. Offering complete turn-key solutions, Granger can assist from start to finish on your current or next rotomolding project.


Molds for Rotomolding

Granger is one of the only custom rotational molding companys in North America that operates an in-house Molds &…

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Design For Rotomolding

Granger Plastics Company will assist customers from start to finish to with their rotational molding design in effort to…

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Secondary Trim & Assembly

Granger will do as much trim & assembly as a customer’s project requires or as little as desired. Many…

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Custom Rotomolding

Granger’s focus on high quality custom rotomolding production is the driving force behind the company’s 25 years of success…

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Packaging & Drop Shipment

Most businesses need all of the time they can to focus on growing their business and providing exceptional service….

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Solutions Beyond Expectations

For more than 25 years Granger Plastics has provided leading custom rotomolded solutions via the rotational molding process to…

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Granger Plastics Company

Granger’s commitment to quality and excellence can be witnessed through its commitment to high quality proprietary products. While other molders chose to mold simple proprietary producs such as childrens toys, laundry carts or playground equipment, Granger focuses on the large, complex and potetntially life-saving products, such as the Granger ISS Tornado Shelter.


Rotational Molding Design

One of the most critical steps of a rotational molding project is to ensure that the design and incorporated features are achievable via the rotomolding process. It’s important to work with an design engineer who is familiar with the process in effort to ensure that the production process operates as seamlessly as possible, while producing high-quality, solutions effective products.

Molds For Rotational Molding

All rotationally molded products require a mold for the part to be produced. Granger Plastics Company is a complete, one-stop Rotational Molding Company that can offer turn-key rotomoulded solutions including getting your concept designed for the rotational molding process and can even oversee having your molds for the rotational molding process produced!

Custom Rotomoulding Services

Granger Plastics Company was founded on providing high-quality custom rotational molding services to manufacturers, OEMs and industry leaders looking for high quality plastic molded products and components. Granger Plastics is one of the only full-service custom rotomolding facilities providing a complete array of services including rotational molding design, mold fabrication, secondary trim & assembly, packaging and even drop shipping to your customers.

  • Office Location

    1600 MADE Industrial Dr.
    Middletown, Ohio 45044

  • Office Hours

    Mon – Fri 8:00 am – 5:00 pm

  • Phone

    (513) 424-1955
    (866) 510-9701

  • Email


Contact Granger Plastics