Permian Plastics, LLC is a custom plastic injection molding company located in O’Fallon, Missouri, serving customers nationwide since 1994. With more than 30 years of experience, the company provides fully integrated manufacturing solutions for healthcare, biotechnology, electronics, telecommunications, consumer, industrial, and optical system markets. Permian Plastics combines engineering expertise, modern automation, and advanced polymer technologies to deliver efficient, precise, and cost-effective production.
Operating from a 37,000-square-foot, climate-controlled facility, Permian utilizes 21 injection molding presses and supports an annual production volume exceeding 200 million parts. Its capabilities include engineering and design, resin selection, mold transfer programs, contract manufacturing, and value-added services such as assembly and packaging. The company’s equipment includes automated conveying systems, full servo robots, and overhead cranes for quick mold changeovers and consistent quality.
Permian Plastics is known for its collaborative approach—helping clients optimize product design, material performance, and manufacturing efficiency. With a commitment to continuous improvement and customer satisfaction, Permian delivers precision-molded components that meet the highest industry standards.
Address: 1477 Hoff Industrial Drive, O’Fallon, Missouri 63366
Phone: 636-978-4655
Fax: 636-978-0557
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