General Overview History

Today's Onyx is a mid-sized Electronic Contract Manufacturer specializing in medium volume PCB assemblies and box build for products for medical, telecom, and industrial applications. Our team-based program management model is structured to exceed our customers' expectations by providing unparalleled manufacturing services and solutions.

  • 1989 - Founded in Watertown, SD from Midcom Mangetics Company
  • 1989-2002 – Locations in Watertown, SD; Spearfish, SD; and Raleigh, NC
  • 2003 – Consolidation in Watertown, SD - 80,000 square feet
  • 2010 – Established Engineering Design Center in Minneapolis, MN
  • 2011 – Watertown planned expansion - 50,000 square feet

Onyx EMS



If your organization is seeking a true full service outsourcing partner, you owe it to yourself to look at Today’s Onyx, contact us.