STC Electronics Logo
Electronics Manufacturing, Assembly, and Testing Photos

Quality Electronics - Made in the USA

STC Electronics provides manufacturing, design, and support services for a wide range of technology products. From printed circuit assemblies to the complete design, manufacture, and support of innovative products, service to the customer has made STC Electronics a preferred supplier since 1986. Our ISO 9001 registered quality system emphasizes continuous improvement in customer satisfaction.

E-mail or call today for a quote!

STC Electronics Products

STC, Incorporated Manufacturing Facility, McLeansboro, IL - Photo by Marty CoxSTC Electronics is customer oriented. Employees throughout our company are dedicated to serving customers. We make every effort to meet rapidly changing delivery requirements. From avionics to medical instruments, from industrial controls to communications equipment we take pride in our contribution to our customer's products.

Intro to STC Electronics

STC Celebrates 30 Years

STC Sun Transformer 30th Anniversary GraphicAugust 29, 2016 – STC is celebrating their 30th anniversary as a manufacturer of high-reliability electronics and transformers. As an ISO 9001 certified business, STC provides product design, development, manufacturing, assembly, testing, and sustainment services.

When asked to comment on why Sun Transformer has been able to grow and succeed for so many years, Production Supervisor Linda Shaw was politely interrupted by... (read more)




STC News Items

Our address

1201 W. Randolph St.
McLeansboro, IL 62859

Phone: 618.643.2555
Fax: 618.643.2316

ISO 9001:2008

ISO Quality Management Certification Registrars Logo

View our ISO Certificate.

Made in the USA

Make it in America Logo (Manufacturing Extension Partnership)

All STC products are made in the USA.

Industry Certified

IPC Assocation Connecting Electronics Industries Logo