Trusted worldwide, Granger Plastics delivers innovative, precision rotomolding
solutions for industries demanding excellence and reliability.
(513) 424-1955
1600 MADE Industrial Dr., Middletown, OH
Rotomolding Solutions
Granger Plastics stands out as a globally acclaimed expert in rotational molding, delivering exceptional, high-quality solutions across diverse industries. From aerospace to water quality management—and nearly every sector in between—our innovative rotomolding services are trusted worldwide for precision, durability, and reliability. Discover how Granger Plastics can elevate your project with industry-leading expertise and customized solutions tailored to meet your specific needs.
Custom Rotational Molding
One stop rotomolding solutions
Turn-key solutions providing custom rotational molding for OEMs and manufacturers.
Rotomolding Design
Complete Design & Engineering Solutions
Innovation with rotomolding design that turns vision into durable, high-quality reality.
Molds for Rotomolding
In-house Mold & Metals Fabrications
Precision-engineered molds for flawless, reliable rotomolded parts every single time.
Rotomolded Products
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- Aerospace
- Material Handling
About Granger Plastics Rotational Molding
For more than 3 decades, Granger Plastics has been a trusted leader in custom Rotational Molding and Rotomolding solutions, delivering durable, high-quality plastic products for a wide range of industries.
Utilizing advanced rotational molding technology, Granger Plastics specializes in manufacturing large, complex, and custom-molded plastic components engineered for long-lasting performance. Our experienced team combines innovative design, precision manufacturing, and strict quality standards to provide reliable solutions tailored to each customer’s unique needs.
From concept to completion, Granger Plastics is committed to excellence in Rotational Molding, customer service, and American manufacturing.
Customer Testimonials
..the new PolyCone produced by Granger Plastics Company is performing well in the field: Better impact resistance, better scuff resistance and lower cost. We are pleased with the results of our material conversion project with GPC."
Jim P.
Fleet Maintenance DirectorThe Granger ISS was by far the best unit we found. As compared to other in-ground shelters, the Granger ISS deserves a "five-star-rating". The door feature is very impressive and far exceeds any other on the market with regard to structure, safety and durability.
Doris C.
Tornado Shelter CustomerRotational Molding Industry News
Sandsaver Beach Erosion Solution Helps Swahili Beach Resort Win 4th Consecutive Africa’s Leading Beach Award
Ukunda, Kenya, July 5, 2025 /MarketersMEDIA/ — Situated on the sun-drenched, palm-fringed shores of Diani Beach, ...
Ohio Plastics Company Sees Growth in Custom Rotational Molding Services
Middletown, Ohio, United States, December 5, 2025 /MarketersMEDIA/ — Granger Plastics Company, a leading provider ...
Ohio Plastics Company Sees Growth in Custom Rotational Molding Services
Middletown, Ohio, United States, December 5, 2025 /MarketersMEDIA/ — Granger Plastics Company, a leading provider ...
Complete rotational molding solutions under one roof!
Divisions of Granger Industries Inc.,
Phone: (513) 424-1955
Address: 1600 MADE Industrial Drive, Middletown, OH 45044 USA
Hours: Mon - Fri: 8am to 5pm
ABOUT US
With over 30 years of expertise, Granger Plastics Company has set the standard for excellence in rotational molding solutions. Renowned for delivering high-quality, durable products, Granger Plastics continues to innovate and serve industries worldwide with unmatched reliability and precision.
RECENT POST
Best factory award of the year
February 27, 2023
Best factory award of the year
March 14, 2023.
Best factory award of the year
January 05, 2023