• 1201 West Randolph St., McLeansboro, IL, USA

STC, Inc. - Social Media

Transformer Manufacturing Applications

STC employees design and manufacture electronics for a wide range of advanced-technology businesses. Our customers range from some of the largest brand manufacturers to smaller leading-edge technology shops. Our electronics products are shipped worldwide, and they provide key functionality for important parts of everyday life in those locations. Join our team to be a part of this innovative environment.


Click the following link to open a copy of the STC Employment Application in a new tab. Applicants are welcome to email completed forms to Angie Calkin at acalkin@suntransformer.com. You may also bring completed applications to STC at the address shown on the left.

Circuit Board Inspection


Assembler Trainee

STC, Inc., a manufacturer of transformers & PCB assemblies is accepting applications for a full-time Assembler Trainee. Work involves operations with extremely fine wire and tiny components to high workmanship standard.

Qualifications include:

  • Excellent vision required
  • Excellent manual dexterity required
  • Ability to follow verbal and written instructions
  • Excellent attention to detail
  • Be at least 18 years of age, have reliable transportation, and pass all pre-employment screenings

Competitive compensation is offered with benefits including health, dental and vision insurance, pension plan and paid holidays. Please apply at:

Applications can be obtained through the STC Employment Application link (above) or at:

STC, Inc.
1201 W. Randolph St.
McLeansboro, IL 62859

Resumes or inquiries may be emailed to Angie Calkin <acalkin@suntransformer.com>.