Family-Owned USA Business

Professional and Reliable Services.

Thermoformed Plastic Trays

Protective Dunnage Trays

Custom Clamshell Packaging

Serving All Industries

100% Manufactured in USA

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Food Packaging Trays

 All of our food packaging containers are made strictly with FDA approved material suitable for direct contact with the food.

Custom Plastic Trays
Custom Plastic Trays

We make custom insert, dunnage, and material handling trays of various weights for specific industrial plastic tray needs.

Clamshell Packaging
Clamshell Packaging

Our plastic clamshell packages for retail products include allowance for insert cards with product information and graphics.

Introduction Video
Introduction Video

Watch as we demonstrate our thermoforming process, from design through completed product.

Custom Work
Custom Work

We work with each client to design and create the thermoformed plastic tray or clamshell packaging they need.

Our Capabilities:

  • Vacuum and Pressure Forming
  • In-House Pattern and Mold Design
  • Tooling
  • Prototyping
  • Large production runs
  • Material Gauge .007 to 0.060
  • Forming of PVC, HIPS, PETG, PETE and HDPE
  • Custom Colors available
  • Custom Products
  • Custom Assembly
  • Fulfillment Services Available
  • Thermoforming Machine Sheet Sizes up to 35″ x 39″

Industries Served:

  • Retail
  • Electronics
  • Food
  • Automotive
  • Medical
  • Cosmetics
  • Custom

No delays! No worries! Custom Plastic Trays and Clamshell Packaging.

100% Manufactured in the USA

Why Us?

Nearly 25 Years Experience

Great River Plastics has been producing high quality custom-designed plastic packaging Since 1999.

Professional Services

Free professional packaging design services and custom thermoformed plastic trays and clamshells from Lancaster, Wisconsin, USA

1,000+ Completed Projects

Experience is vital in designing and delivering the thermoformed plastic products YOU need.

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