At Seiler Plastics, we specialize in delivering high-quality custom plastic extrusion, injection molding, and sheet production. Based in St. Louis, Missouri, we serve diverse industries nationwide with tailored solutions that bring your projects to life efficiently and reliably.
Supplying plastic components, tubing, and housings meeting demanding specifications of OEMs and Tier 1 suppliers.
Manufacturing specialty plastic parts for medical devices and equipment with precision and compliance.
Delivering high-quality, durable plastic products designed for critical aerospace applications.
Producing custom plastic sheets, trays, and enclosures for consumer products and sustainable packaging solutions.
Precise details about materials, dimensions, and function help ensure final products meet expectations.
Early consultation can refine designs for manufacturability and cost efficiency.
Utilize prototyping to minimize risk and validate product concepts before large-scale production.
Discuss eco-friendly material and process options to reduce environmental impact without compromising quality.
We use ABS, polycarbonate, PETG, polyethylene, PVC, and more, customized to product and performance needs.
Yes, we accommodate single prototypes to large-scale manufacturing with the same commitment to quality.
Our engineering team offers design consultation to optimize manufacturability and functionality.
Automotive, medical, aerospace, consumer goods, packaging, and other specialized sectors.
We produce functional prototypes rapidly to test and refine before mass production.
For over 50 years, Seiler Plastics Corporation has been a leader in custom plastic manufacturing. Located in St. Louis, Missouri, our experienced team combines cutting-edge technology and industry knowledge to produce high-quality plastic extrusion, injection molding, and sheet products. We pride ourselves on innovation, precision, and flexibility, committed to delivering products that meet exact specifications and timelines while adhering to sustainable manufacturing practices.
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Decades of industry experience across plastic extrusion, injection molding, and fabrication with skilled engineers and technicians.
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Tailored production processes to meet specific client needs for material, design, and volume—whether prototype or high-volume runs.
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Utilization of state-of-the-art CAD/CAM tools, CNC machinery, and environmentally conscious manufacturing equipment.
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Strict quality assurance protocols ensuring consistent precision and durability in every product delivered.
235 Northcrest Dr Newnan, Georgia, 30265, United States
9:00 - 18:00