Founded in 1967, the 100% woman owned, US-based Reed Switch Developments Corp. was one of the first industry pioneers in the design, development and manufacture of standardized packaged reed switch sensing technologies, custom magnetic reed switches, and proximity sensor assemblies. Initial product lines were primarily supporting aerospace, automotive, industrial and medical OEMs.

Magnetic reed switches from Reed Switch Developments Corp. are known for their fast-acting, high-reliability performance. The reed switches are free from mechanical wear and are hermetically sealed, ensuring years of reliable service within demanding environments. Most assemblies are also UL recognized and RoHS/REACH compliant. With the company’s in-house development and manufacturing capabilities, custom reed switch developments of any sized quantity may be accommodated, with production lead times as short as ten business days.

These products are further complemented by:

  • Creative Solutions
  • Personalized Service
  • Custom Reed Switch Sensors with Short Lead times
  • Quick Turnaround
  • High-Quality Products, 100% Onshore Manufacturing (USA)
  • Value Added Products and Services

We are committed to nurturing a family-oriented work environment, where Proactivity, Creativity and Synergy are valued. We are committed to providing all of our employees, through their commitment, the opportunity to develop to their fullest potential and share in the success of the company.

All Reed Switch Development Corp. magnetic reed switch products are 100% developed and assembled in the USA at the company’s state-of-the-art manufacturing facility in Racine, Wisconsin, USA. Our experienced applications engineering team is also on-hand to help ensure the right product for your application requirements. We look forward to serving you!  Contact us today for a free application assessment.


Pioneer and world leader in the design, development and packaging of high quality custom
and off-the-shelf reed switch solutions for a variety of OEM industries.

Reed Switch developments


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