SESCO: Wire harnesses, Braiding Wire, Box Build, and Electrical Contract Manufacturing

SESCO – “Your Best Electrical Connection”
Founded in 1983, SESCO has built a reputation in the marketplace as a reliable, dependable and responsive supplier of custom cable and wire harness assemblies, box, panel and enclosure assemblies, and custom electrical systems which has resulted in our continued growth. As a leading Electrical Contract Manufacturer our vertical integration of in-house capabilities allows us to be a turnkey electrical solutions operation. Our dedication to provide responsive customer service and engineering support puts us a cut above the competition.
  • Wire Harness Assembly
  • Cable Harness Assembly
  • Fiber Optic Cables
  • Din Rail Assembly
  • Ribbon Cable Assembly
  • Electrical-Mechanical Assembly
  • Sensor Assemblies
  • Box Builds
  • Wire Wrapping
  • Battery Cables
  • Cord Sets
  • Contract Manufacturing
  • Harness Braiding
  • Ultrasonic Welding
  • Ink Jet Marking
  • Hot Stamp Marking
  • Sheet Metal Fabrication
  • Powder Coat Painting
  • Light Mechanical Assembly
  • Kit Building
  • 100% Electrical Testing


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The Quality Policy of SESCO is we are committed to meeting customer requirements the first time and everytime.

As a small business, SESCO (Cage No. 1WPQ5) is a dynamic company dedicated and proud to manufacture electrical systems and subsets that are being used to help support and protect the fine men and women that serve in the US Military. SESCO has received growing recognition in the area of Defense with our engineering support, demonstrated flexibility and small business responsiveness to ensure the timely delivery of competitively priced quality products.

WHMA Founding Member WHMA

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