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OEM

(800) 999-2550

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Processes Expertise

Sand Casting

  • Green Sand
    • Floor molding
    • Squeezers
    • Automatic Molding
  • No Bake Sand/Resin
    • Automatic molding
    • Floor molding

Shell Mold Casting

  • SIGMA provides shell mold casting for tighter tolerance molding and superior surface finish.
  • Castings from 1 lb-75 lbs.

Stack Mold Casting

This high production method of shell mold casting achieves tighter tolerance and superior surface finish.

Investment Casting

This lost wax method produces the most accurate production castings.

Die Casting

SIGMA uses this high pressure molding technique for aluminum alloys.

Vacuum Molding

SIGMA OEM’s innovative vacuum molding method uses a flask and vacuum technology that offers many benefits.

  • No binding agent is required, so there is a cost savings.
  • Sand can be recycled.
  • Produces excellent surface finish.
  • Well suited to the fabrication of counterweights.

Forging

  • Open Die
  • Closed Die

Specialty Coating

  • Liquid Spray Paint
  • Powder
  • Electrostatic Coating
  • Galvanizing
  • Water Soluble Rust Preventive

Machining

SIGMA OEM can handle all quantities and sizes of components ranging from extremely simple to highly complex.

Assembly

SIGMA OEM can deliver shipments for self-assembly, or we can provide fully assembled and tested products.

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Our Value

  • Why SIGMA OEM
  • Quality
  • Global Expertise
  • Processes Expertise
  • Industries Expertise
  • Supply Chain Management
  • Customized Service Models

Recent OEM Insights Blog

#GlobalSourcerer, SIGMA’s Superhero of the Supply Chain

**NEW** SIGMA OEM Products Catalog

Mitchell Rona, Executive Vice President, #GlobalSourcerer, works from his home office

Introducing New SIGMA OEM Team Members

Quality - Service - Commitment - Delivered.  

Terms and Conditions

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