Plastic Contract Manufacturing Services from Gregstrom Corporation

Plastic contract manufacturing services for Thermoformed and Rotationally Molded components and assemblies are provided by Gregstrom Corporation. Gregstrom Corporation is a total plastic contract manufacturing services provider. We specialize in manufacturing Thermoformed and Rotationally Molded components and assemblies. For over 60 years, we've been listening to what our customers need and we have expanded our capabilities to meet each challenge.

Gregstrom’s plastic contract manufacturing capabilities and our large manufacturing plant enables us to be the single source for all your manufacturing, assembly, and storage needs.

We will design your mold, assemble, and purchase any parts necessary for assembly. We’ll also store your inventory in our warehouse for further shipments. As a plastic contract manufacturing services provider, we can take your project and virtually turn it in to a one step process with no hassle – we handle everything.

Our plastic contract manufacturing services with assist you with:

  • Product design
  • Specification of materials including the development of a complete Bill of Materials
  • Mold design and construction
  • Molding
  • Purchasing and inventory of components
  • Complete assembly
  • Testing
  • Packaging
  • Inventory of finished goods
  • Shipment

Our Plastic Contract Manufacturing services have produced these and other fine products for our clients:

  • Rotationally Molded Ventilation Ducts
  • Rotationally Molded Chemical Feeder Assemblies
  • Rotationally Molded Shopping Cart Accessories
  • Rotationally Molded Manifolds
  • Pressure Formed Instrument Housing Assemblies
  • Rotationally Molded Chemical Feeders
  • Rotationally Molded Tanks
  • Rotationally Molded Bins & Pallets
  • Rotationally Molded Mufflers
  • Pressure Formed Instrument Housings
  • Rotationally Molded POP Assemblies
  • Vacuum Formed Medical Instrument Cases
  • Pressure Formed Medical Laser Assemblies
  • Pressure Formed Printer Assemblies
  • Twin Sheet Thermoformed Instrument Housings
  • Rotationally Molded Boats
  • Pressure Formed Instrument Housings
  • Rotationally Molded Spine Boards
  • Rotationally Molded Coffee POP Display
  • Vacuum Formed Medical Instrument Cases & Covers
  • Vacuum Formed Taxi Tops
  • Rotationally Molded Baby Changing Stations
  • Rotationally Molded Lawn/Garden Equipment Housings
  • Rotationally Molded Shopping Cart Accessories
  • Pressure Formed Digital Taxi Media Display Assemblies
  • Rotationally Molded Powder Chemical Dispensers
  • Rotationally Molded 3-D Printer Housings

Plastic Contract Manufacturing Services

Gregstrom’s Plastic Thermoforming offers significantly lower tooling costs and lead times than injection molding and other processes. It is cost effective for both short runs and medium volume production. The process is compatible with a broad range of materials including ABS, Acrylic/PVC, HIPS, HDPE, LDPE, PP, PETG, and polycarbonate. Thermoformed part surfaces do not exhibit the porosity, sink/gate marks and other undesirable conditions common to other processes. In addition, custom color sheet and textured tooling can eliminate the need for paint altogether.

Gregstrom’s Plastic Thermoforming Processes include:

  • Vacuum Forming
  • Pressure Forming
  • Twin Sheet Forming

Gregstrom’s Forming Techniques for Thermoforming include:

  • Drape Forming
  • Plug Assist Forming
  • Vacuum Snapback
  • Billow Forming

Gregstrom’s Rotational Molding (Roto Molding) is a plastics processing technique that is ideally suited to produce relatively large, hollow, seamless parts which are partially or totally enclosed. Rotational Molding is a low pressure process and the strength required from the molds is minimal. This results in its ability to produce large, complex parts on short notice using low cost molds.

The low processing pressure involved in rotational molding has the added advantage of producing parts which are virtually stress free. Rotational Molding is economical for short production runs and prototypes as well as high volume production. Design flexibility ranges form small, intricate designs to large, complex parts.

Unique features include:

  • Low tooling costs
  • Short lead time
  • Virtually stress free parts
  • Uniform wall thickness with no thinning in extremities
  • Ability to produce multi-wall moldings

About Gregstrom Corporation

Gregstrom Corporation is a third generation, family owned company that has been forming lasting relationships for over 60 years. With an unwavering commitment to quality, customer service, and continual improvement, we strive to provide an array of customized services and value added options that are unparalleled in the industry. Over the years, Gregstrom Corporation has been honored with various awards from customers in recognition of high levels of quality and service. Gregstrom Corporation has also been the recipient of numerous industry awards from the Society of the Plastics Industry, Thermoforming Institute, Society of Plastics Engineers and Association of Rotational Molders.