Vacuum Forming Manufacturers Outside Washington

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.

Ready-Made Plastic Trays specializes in manufacturing dozens of sizes and types of plastic trays, as well as a wide variety of corrugated shipping cartons and lids. Call for samples!

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.

Quadel Industries vacuum forms sheet plastic including ABS, HDPE and polystyrene. We use the thermoforming process for covers, pans and any item that forms half of a hollow object. Our diversified manufacturing capabilities in extruding, vacuum forming and rotational molding, plus our assembly processes, make us uniquely qualified to be your one stop plastic shop.