About Us
SESCO began in 1983 manufacturing wire harnesses for the construction industry. Over the years, they continued to expand and moving into larger facilities. Today, SESCO has two manufacturing facilities and have become a leading Electrical Systems Manufacturer supplying wired devices and cabinet assemblies to a broad spectrum of markets. Our quick response to our customer’s requests, especially in time sensitive situations, high quality and engineering support are the primary reasons for our continued growth.
First receiving certification in 2000, SESCO is an ISO 9001:2008 company. Our Cage No. is 1WPQ5 and a founding member of WHMA (Wire Harness Manufacturer’s Association).
SESCO Employees
The success of any company is measured by the quality of its people. SESCO personnel enjoy an ever challenging, and result oriented workplace that recognizes and appreciates their contributions.
Every SESCO employee goes through a complete training program and is thoroughly trained to meet IPC/WHMA-A-620 standards and must receive certification to work in each of the departments.
In addition, every SESCO employee is trained in quality inspection and customer satisfaction.


