About dB Control
dB Control Corp., a subsidiary of the Electronic Technologies Group (ETG) of HEICO Corp., supplies mission-critical, often sole-source, products worldwide to military organizations, as well as to major defense contractors and commercial manufacturers. Established in 1990, our 40,000-square-foot corporate headquarters in Fremont, California, includes design and manufacturing facilities and a high-voltage laboratory for developing and testing transformers, inductors and integrated assemblies of up to 120 kV. We also offer RF and microwave testing for complete product characterization and environmental testing for temperature, altitude, vibration and shock.
dB Control has an outstanding record of successfully repairing, refurbishing and replacing tightly packaged high-voltage transformers, assemblies and power supplies. We also offer specialized contract manufacturing services, including transformer winding and testing, full-vacuum encapsulation, pressure cure and conformal coating laboratory services. Here are just a few of our customer accolades:
- BAE Systems named us its "Preferred Supplier for TWT Amplifiers" due to the consistency of our quality and service
- Lockheed Martin consistently awards dB Control's TWT amplifiers a "100% Quality Rating"
- L3 Communications certified us with a "100% Quality Rating" for delivery and performance of military low-voltage power supplies
- CPI awarded dB Control the highest quality rating of all certified suppliers and continues to contract nearly all of its high-voltage transformer winding business to us
- Thermo Fisher Scientific originally manufactured its own power supplies, but now uses dB Control as its sole-source supplier

