Twin Sheet Thermoforming Manufacturers in Arizona

At RPI, we pride ourselves on attending to the important details that ensure your job will be handled carefully from prototype design through final assembly and shipping. Whether your part calls for design, post production machining, finishing, tooling manufacture, assembly or packaging, we can handle all your thermoforming, pressure forming & twin sheet needs on-site.

Hi-Rel Plastics is a U.S. custom thermoforming and vacuum forming manufacturer specializing in precision plastic trays, clamshells, enclosures, panels, medical packaging, and custom plastic parts. We provide prototype through high-volume production using ABS, HDPE, HIPS, PETG, PVC, acrylic, and engineering-grade materials. Our thermoforming services deliver cost-effective tooling, tight tolerances, fast lead times, competitive pricing, and reliable U.S. manufacturing.

We have a special vacuum formed plastics offering—lenses and diffusers for the lighting industry. Product from our own molds include domes, drums, hemispheres, scallops, stepped domes, trumpets and shapes such as cylinders, cubes, hexagons, octagons, trapezoids. Custom requests are always welcome.

ClearPack Engineering specializes in Stock Clamshells. We have a large selection from which to choose! All clamshells are equipped with standard delta-style hang holes. Single case orders are gladly accepted, or you can buy what you need. Most clamshells are in stock for immediate delivery.

At Quality Plastics & Machine, we provide vacuum forming solutions designed to deliver durable, precise plastic components for a wide range of industrial and commercial applications. We form thermoplastic materials into consistent shapes that meet functional, dimensional, and aesthetic requirements, supporting products where strength, fit, and repeatable performance are essential.

Based in Denver, CO, FormTight is a custom plastic thermoforming company that was founded in 1992. We specialize in manufacturing custom packaging solutions for both thin and thick gauge projects, and work in a variety of industries, including food, medical, and retail. Due to having both thin gauge and thick gauge operations, we work with a wide range of materials and have a wealth of experience with many different situations that allow us to offer experienced insight for any given project.