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Participating Companies

Featured Illinois Manufacturer:
STC, Inc.
About Company   McLeansboro, IL

STC Inc.

STC, Incorporated designs, manufactures, and tests custom printed circuit assemblies and magnetics components (transformers) for a wide variety of applications, including aerospace, medical, military, communications, transportation, and marine. STC's ISO 9001:2008 certified quality program ensures that our products consistently meet customer requirements and perform reliably under the most demanding environmental conditions.


Top Products: Printed circuit board design and assembly, as well as the following transformer types: Power (up to 10 KVA), High Voltage, Single-Phase, Autotransformer, Inverter Transformers, Three-Phase, Inductors/ Chokes, Ferroresonant, Control, LPC (Low Profile), Isolation/ High-Isolation, Heat-Sealing, Toroids, and Lighting (industrial).


Special Capabilities: Transformer, Coil, Inductor, and Power-Supply Design and Manufacturing; Build-to-Print and Contract Manufacturing of Magnetics and Electronic Components; Environmental Testing and Performance Reporting; Circuit Board Layout and Design Assistance; Cable/Wire Harness Design and Fabrication; Electronic-Packaging Design and Integration.







Quality Transformer Manufacturing

Contact Information:

Scott Kolts


Email: scott.kolts@suntransformer.com


From earth moving equipment to automobiles; medical devices to consumer products, Illinois is home to 20,000 manufacturers employing nearly 600,000 people. 

IMEC, along with our strategic partners, the Illinois Department of Commerce and Economic Opportunity (DCEO), the Manufacturing Extension Partnership, and other friends of manufacturing, have launched this on-line resource to showcase the diversity of products made here and celebrate the companies that manufacture them. In towns from Chicago to Carbondale, manufacturing is the engine that powers the Illinois economy.