Welcome to the official website of Custom Magnetics of California, Inc. Here at CMI, we specialize in supplying innovative power transformers to customers whose application presents a unique or difficult design challenge. We focus specifically on producing transformers with exceptional:

  • Footprint Reduction
  • Thermal Performance
  • Low Levels of Noise
  • Compact and Unique Packaging 

Our services include the conception, design, prototyping, production, test, qualification, and after sale support of custom power transformers. In all applications, Custom Magnetics of California vows to provide the highest level of quality to all of our customers.


1357 Ridgeway Street, Pomona, CA 91768

(855) 421-4913

Hours: 8AM-4PM