• Q-Tech Crystal Oscillators
  • QCT Quartz Crystal & Oscillators
  • QT Optoelectronics LED, Optocouplers
  • Quality Thermistor, Inc. Thermistors
  • Quartz Crystal Quartz Crystal & Oscillators
  • QuartzMaker Quartz Crystal & Oscillators
  • Quartztek
    acquired by ... acquired by MMD Components
  • Qube Corporation enclosures